1052 lines
36 KiB
Markdown
1052 lines
36 KiB
Markdown
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# Changes in lattice 0.22
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* All high-level functions such as `xyplot()` now have `"data.frame"`
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methods, where the formula can be provided either as the unnamed
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second argument or as the named `formula` argument.
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* `larrows()`, `lpolygon()`, `lrect()` and `lsegments()` are now
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generic functions.
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* Support for paths (via `grid.path()`, which supports holes) in
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`lpolypath()`, as well as in `lpolygon()` using new `rule` argument.
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* The long-deprecated `parallel()` function is now defunct.
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# Changes in lattice 0.21
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* The color scheme used in the default graphical settings has been
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updated to use modern palettes, thanks to Achim Zeileis. It is also
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easier to customize the color palette in `standard.theme()`, via a
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new function `custom_theme()`. The earlier behaviour can be
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reinstated by setting `classic.theme("pdf")` as the theme; see
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`help(classic.theme)` for details.
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* `panel.levelplot()` has a new `region.type = "countour"` argument
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allowing smooth region boundaries similar to `filled.contour()`.
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Based on code in the `gridGraphics` package by Zhijian (Jason) Wen
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and Paul Murrell, ported by Johan Larsson.
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* Improved behaviour of `auto.key`, including better default placement
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and better handling of the `type` argument in scatterplots. Based on
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patch by Johan Larsson.
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* Default values of `auto.key` and `grid` can now be set via `lattice.options()`.
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* New `smooth` argument in `panel.xyplot()` as preferred alternative
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to using `type` to indicate type of smoothing desired.
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* Vector argument support in `panel.violin()`. Contributed by Stefan
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Eng.
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* Better handling of degenerate data in `panel.violin()`.
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* New option to optimize some grid unit calculations via
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`lattice.options(optimize.grid = FALSE)`. Currently, setting this to
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`TRUE` may speed up some multi-page plots.
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* New "grid" vignette containing examples of using raw grid with
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lattice. Contributed by Paul Murrell.
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* New `fill` argument in `panel.3dscatter()`.
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* Improved `call` component in trellis objects, fixing a longstanding
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[bug](https://stat.ethz.ch/pipermail/r-devel/2017-May/074243.html).
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* `draw.key()` now considers title in width calculations.
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* Miscellaneous bugfixes and improvements.
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# Changes in lattice 0.20
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* The primary goal of the 0.20 series is to further improve
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documentation, building up to an eventual 1.0 release. Specific
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major changes are given below.
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* Use `dev.hold()` / `dev.flush()` introduced in R 2.14.0 for smoother
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displays and transition.
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* It is now easier to use raster images in levelplot() by specifying
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top-level argument 'useRaster=TRUE'.
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* 'pos' can now be a vector in `ltext()`, just as it can in `text()`.
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* Explicit components in 'colorkey' (for `levelplot()`) to specify
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graphical parameters of boundary and tick marks / labels.
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* "spline" added as a possibly 'type' in `panel.xyplot()`, following a
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suggestion from Patrick Breheny.
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* Support for traditional graphics-like log scale annotation, using
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`scales = list(equispaced.log = FALSE)`.
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* `parallel()` deprecated in favour of `parallelplot()`, to avoid
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potential confusion with the parallel package.
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* The internal lattice.status list is cleaned up whenever new page
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starts. This should fix lattice bug #1629.
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* New option to provide a custom rule for computing default
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breakpoints in `histogram()`. See ?histogram for details.
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* New datasets `USMortality` and `USRegionalMortality`.
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* Support for triangular ("open") endpoints in colorkey.
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* Support for title in colorkey. Based on patch by Johan Larsson.
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* Improved prepanel calculations for stacked barchart with missing
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values.
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# Changes in lattice 0.19
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* The primary goal of the 0.19 series is to improve documentation and
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fix some obscure but long-standing bugs, building up to an eventual
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1.0 release. Specific major changes are given below.
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* Added new arguments 'grid' and 'abline' in panel.xyplot().
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* Added a "panel.background" setting.
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* Restructured storage of plot-specific information, fixing bug
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reported in
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https://stat.ethz.ch/pipermail/r-help/2007-October/143567.html
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* Added a CITATION file.
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* Added a new "axis.text" setting.
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* Added the option to scale data inside panel.3dscatter() and
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panel.3dwire() rather than assuming ther are already scaled. This
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may be helpful for use in user-written panel functions, with
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(additional) data specified in the original scale.
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* 'varnames' can now be expressions in splom()/parallel().
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* Added support for 'xlab.top' and 'ylab.right' arguments.
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* Improved axis labelling in splom(), including support for date-time
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data.
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* panel.pairs() now passes arguments i and j to (sub)panel and
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diag.panel functions.
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* Default prepanel functions are now user-settable through
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lattice.options()
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* par.[main|sub|xlab|ylab].text parameter settings are more powerful.
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* Added support for 'just' component in draw.key() to allow
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justification of legend placement.
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* Graphical arguments in panel.superpose can now be lists.
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* Added support for raster colorkeys.
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* Added new 'height' component for keys.
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* Improved vectorization of graphical parameters in panel.bwplot.
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* Expanded trellis.grobname() and used it to provide a name for all grobs.
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* New panel.spline() function.
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## Bug fixes
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* More realistic check for equispaced grid in
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panel.levelplot.raster().
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* Improved partial matching of component names in 'key' and 'scales'.
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* xyplot.ts() now allows graphical parameters to be given as vectors
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(inside a list) for each series. Passes lists to panel.superpose.
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* panel.axis() now does NOT draw tick marks if 'ticks = FALSE'.
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# Changes in lattice 0.18
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* Hosting of the upstream sources has moved to R-forge. This allows,
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among other things, the use of the R-forge issue tracker.
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* New xyplot.ts method, merging versions previously available
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in latticeExtra and zoo (thanks to the efforts of Felix Andrews)
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* An argument 'group.value', containing the level of the group, is now
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passed by panel.superpose to the 'panel.groups' function
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* Specifying 'auto.key' as a list now produces a legend even in the
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absence of 'groups', provided a 'text' component has been included
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* The 'layout' argument now accepts NA for number of columns or rows.
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* Scale limits 'xlim' & 'ylim' can have one NA to fix only one side.
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* Date and POSIXt scales now use new methods to calculate axis ticks,
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and now respond to the 'tick.number' component of 'scales'.
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* 'panel.qqmath' gains an argument 'tails.n' for exact data on tails.
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# Changes in lattice 0.17
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## New features
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* New function simpleTheme() for creating nested lists without
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specifying the nesting structure (which is guessed)
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* Support for lattice.option(print.function) which is the function
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actually used when print.trellis() is called
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* New argument 'box.width' wherever 'box.ratio' is available (e.g.,
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panel.bwplot, panel.barchart, etc.), to specify absolute thickness
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(of boxes, bars, etc.)
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* New panel.refline() function, same as panel.abline(), but with
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default parameters from the "reference.line" settings.
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* parallel() has a new 'horizontal.axis' argument; when FALSE, the
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axes are vertical and are stacked side by side.
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* densityplot() now supports weights.
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* dotplot.table() etc. allow change of orientation (horizontal=FALSE).
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* New function panel.identify.cloud() to interactively label
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three-dimensional scatterplots.
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* Added support for notches in panel.bwplot (based on patch from Mike
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Kay)
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* New panel function panel.smoothScatter (relocated from Bioconductor
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package geneplotter)
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* Added German translations (contributed by Chris Leick)
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* reordered documentation to make PDF manual more readable
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## Bug fixes
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* Make translations available (they were never actually installed before)
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# Changes in lattice 0.16
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## Changes in behaviour
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* 'x' in dotplot(~x, data) etc now gets names(x) set to
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rownames(data). Update: this feature has now been removed, as the
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resulting behaviour is undesirable for bwplot()
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* the 'call' component of a "trellis" object is set to a better value
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than before (at least for the methods in lattice). One consequence
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is that update.default() now works for cases in which
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update.trellis() doesn't (i.e. those where data packets need to
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change)
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* barchart.table now has an 'horizontal' argument
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* levelplot.matrix() now allows specification of column labels or
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positions through arguments 'row.values' and 'column.values'
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* width calculation for rectangles changed for levelplot() when 'x',
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'y' are factors; they are set to 1, rather than trying to
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accomodate unequally spaced 'x' and 'y' values. This is important
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when there are empty levels
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* dimnames() of a "trellis" object is now settable (this allows
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changing names and levels of conditioning variables)
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* labels ('xlab', 'main', etc) can now be character vectors. In
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their list form, they support more graphical parameters as well as
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finer positioning (justification, rotation, etc.)
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* 'strip.left' gets called with 'horizontal = FALSE', so
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'strip.left = strip.default' now works as expected
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# Changes in lattice 0.15
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## New features
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* Default panel functions are now settable options
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* Limits of a parallel coordinates plot can now be controlled via
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functions
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* New 'panel.aspect' argument for cloud and wireframe
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* Better support for factors in cloud and wireframe
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* More flexible placement of legends with x, y and corner. In
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particular, corner can have fractional values, and (x, y) can refer
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to a position w.r.t. two potential bounding boxes depending on
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lattice.getOption("legend.bbox") ('full', meaning full plot region,
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or 'panel', meaning the subregion containing panels and strips.
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The default is 'panel', which is a change in behaiour)
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* trellis.focus() now allows choosing panels interactively.
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* New interaction functions panel.identify.qqmath() and
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panel.brush.splom()
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* There is now an error handling mechanism for panel functions. By
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default, errors in panel functions no longer stop execution. See
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?print.trellis for details.
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* Note: Some of these are also available in updated 0.14 versions
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## Changes in behaviour
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* non-numeric data no longer cause warnings in bwplot
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* the default padding between components has been changed to
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0.5 "chars"
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# Changes in lattice 0.14
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## New features
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* support for custom function that determines packet-panel
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correspondence. This could be used to fill panels vertically
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rather than horizontally, or to split layout over two or more
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pages, etc. (see ?packet.panel.default)
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* support for customizable functions for axis drawing and tick/label
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determination
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* various accessor functions available to panel, strip, axis (etc)
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functions, e.g. panel.number() and packet.number()
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* arguments to lattice.options and print.trellis arguments can now be
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attached to trellis objects (as parameter settings already could)
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through high level arguments 'lattice.options' and 'plot.args'
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* llines, lpoints and ltext are now generic functions
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* The high level 'key' argument can now have an argument called
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'reverse.rows' to reverse the order of rows. This applies to
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'draw.key', 'auto.key' and 'simpleKey' as well.
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* extended interpretation of 'breaks' in histogram()
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* matrix methods for 'splom' and 'parallel' (whose absence was an
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oversight)
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* support of 'alpha' argument in labels and legends, which were
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previously missing for no good reason
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* panel.grid() now allows 'h' and 'v' to have negative values other
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than -1, in which case '-h' and '-v' will be used as the 'n'
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argument to pretty() when determining line locations
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## Changes in behaviour
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* panel function is no longer given arguments panel.number and
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packet.number (see above for alternatives)
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* panel.identify() now has a more useful return value (selected
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subscripts)
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* trellis.panelArgs() without any arguments should return meaningful
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results while a "trellis" object is being printed, and thus should
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be usable inside panel or axis functions.
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* For formulae of the form y1 + y2 ~ x1 + x2 + x3, the order of
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levels of the artificially created grouping variable is now more
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'intuitive'
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# Changes in lattice 0.13
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## New features
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* high level generics like 'xyplot' now have both 'x' and 'data' as
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arguments. The only implication for S3 methods is that they will
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have to include the 'data' argument even if they are unused (as
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they should be when 'x' is not a formula). The reason for doing
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this is to encourage S4 methods using multiple dispatch where 'x'
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is a formula and 'data' is some other data source.
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* R messages are now translatable.
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* French translations courtesy of Philippe Grosjean.
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* instead of ignoring it as before, 'panel.xyplot' and
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'panel.densityplot' now deal with a 'groups' argument appropriately
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by calling 'panel.superpose'. Consequently, the default of 'panel'
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|
|
in 'xyplot' etc does not need to be conditional on 'groups'.
|
||
|
|
|
||
|
|
* added 'lineheight' as a graphical parameter where appropriate.
|
||
|
|
|
||
|
|
* added a 'grid.pars' setting for arbitrary grid parameters to be
|
||
|
|
set initially via gpar().
|
||
|
|
|
||
|
|
* For a shingle 'x', 'as.character(levels(x))' creates meaningful
|
||
|
|
labels.
|
||
|
|
|
||
|
|
* Shingle levels can now be printed by strip.default.
|
||
|
|
|
||
|
|
* The strip function, like the panel function, is now passed
|
||
|
|
arguments 'packet.number' and 'panel.number' (although the default
|
||
|
|
strip function makes no use of it).
|
||
|
|
|
||
|
|
* 'panel.superpose' has new argument to make it bahave like in S-PLUS
|
||
|
|
(interpretation of 'type'). This makes 'panel.superpose.2'
|
||
|
|
unnecessary, although it's still available.
|
||
|
|
|
||
|
|
* Added wrappers lrect, lpolygon (and panel.rect, panel.polygon)
|
||
|
|
|
||
|
|
## Changes in behaviour
|
||
|
|
|
||
|
|
* evaluation scope: standard functions with a formula based interface
|
||
|
|
('lm' etc) look for variables in the formula (that are not found in
|
||
|
|
'data') in the environment of the formula. This was done
|
||
|
|
inconsistently for lattice functions, which has been fixed.
|
||
|
|
|
||
|
|
* 'summary.trellis' is now more informative
|
||
|
|
|
||
|
|
* calls with explicit 'formula=' no longer work (used to give a
|
||
|
|
warning before)
|
||
|
|
|
||
|
|
* The 'bar.fill' and 'superpose.fill' settings have been replaced
|
||
|
|
with 'plot.polygon' and 'superpose.polygon' respectively, which are
|
||
|
|
more consistent with other names.
|
||
|
|
|
||
|
|
* Default of 'data' changed from 'parent.frame()' to NULL. This has
|
||
|
|
to do with reasonable non-standard evaluation rules, and probably
|
||
|
|
needs some more thought.
|
||
|
|
|
||
|
|
* Default Trellis settings (a.k.a. theme) changed. See
|
||
|
|
?trellis.device for details
|
||
|
|
|
||
|
|
## Bug fixes
|
||
|
|
|
||
|
|
* NA-handling
|
||
|
|
|
||
|
|
* ltext now supports more 'adj' values
|
||
|
|
|
||
|
|
* scales$y$alternating now counts row numbers from top if as.table = TRUE
|
||
|
|
|
||
|
|
* miscellaneous improvements in strip.default
|
||
|
|
|
||
|
|
## TODO
|
||
|
|
|
||
|
|
* change panel.qq so that most work gets done there
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.12
|
||
|
|
|
||
|
|
## Improvements
|
||
|
|
|
||
|
|
* panel.bwplot has a new 'stats' argument, which is a function used to
|
||
|
|
calculate the statistics in the box and whisker plot. Defaults
|
||
|
|
to boxplot.stats, which was the hard-coded value earlier.
|
||
|
|
|
||
|
|
* panel.bwplot has been re-implemented. Faster, avoids direct grid
|
||
|
|
calls
|
||
|
|
|
||
|
|
* panel.densityplot now allows more flexible specifications of
|
||
|
|
'plot.points', specifically, points can be jittered (the new
|
||
|
|
default) or indicated by a `rug'.
|
||
|
|
|
||
|
|
* (more) changes in NA-handling.
|
||
|
|
|
||
|
|
* panel.superpose handles type='g' itself so that the grid doesn't
|
||
|
|
get repeated for every group.
|
||
|
|
|
||
|
|
## New features
|
||
|
|
|
||
|
|
* All high level functions are now generic. This change should be
|
||
|
|
mostly transparent, but there may be some unforeseen side-effects.
|
||
|
|
S3 generics and methods are used (this may change at some point,
|
||
|
|
but not in the near future). In particular, usage where the first
|
||
|
|
argument is not actually a formula has now been formalized and is
|
||
|
|
handled via method dispatch rather than the clumsy hacks in place
|
||
|
|
earlier.
|
||
|
|
|
||
|
|
* The first argument of high level lattice functions has been renamed
|
||
|
|
from 'formula' to 'x'. This is related to the fact that these
|
||
|
|
functions are now generic, and is intended to avoid long-term
|
||
|
|
confusion. The first argument is usually not named, so this should
|
||
|
|
not cause many problems. If the name 'formula' is explicitly
|
||
|
|
supplied, it will be used with a warning (as long as there is no
|
||
|
|
argument named 'x') for now, but not in future versions of lattice.
|
||
|
|
|
||
|
|
* aspect='xy' is now allowed when relation='free'
|
||
|
|
|
||
|
|
* A new function make.groups (present in S-PLUS) has been added.
|
||
|
|
|
||
|
|
* there's now panel.rect and lrect (similar to the base function
|
||
|
|
rect)
|
||
|
|
|
||
|
|
* print.trellis has a 'draw.in' argument that can be used to specify
|
||
|
|
a grid viewport to draw the plot in.
|
||
|
|
|
||
|
|
* strips can now be drawn on the left (as well as top) of a panel.
|
||
|
|
This is useful for short wide panels, e.g. time series.
|
||
|
|
|
||
|
|
* 'Date' objects are recognized and axis labels formatted accordingly
|
||
|
|
(not heavily tested)
|
||
|
|
|
||
|
|
## Changes in behaviour
|
||
|
|
|
||
|
|
* qqmath has been considerably revamped, primarily to allow grouped
|
||
|
|
displays (the older implementation would not have allowed that even
|
||
|
|
with a custom panel function). In particular, the (pre)panel
|
||
|
|
function(s) now get the raw data as opposed to already computed
|
||
|
|
quantiles. Some old code may stop working.
|
||
|
|
|
||
|
|
* as a consequence of the above, panel.qqmath, panel.qqmathline etc
|
||
|
|
have been rewritten and have different argument lists
|
||
|
|
|
||
|
|
* tmd has been rewritten (mostly to deal with qqmath objects), but
|
||
|
|
this shouldn't be user-visible.
|
||
|
|
|
||
|
|
* densityplot defaults to showing points with random jitter.
|
||
|
|
|
||
|
|
* arguments panel.number and panel.counter, passed to panel functions
|
||
|
|
that have those (or the ...) argument(s) have been renamed to
|
||
|
|
'packet.number' and 'panel.number', which are more in line with
|
||
|
|
standard Trellis jargon.
|
||
|
|
|
||
|
|
## Bug fixes
|
||
|
|
|
||
|
|
* identification of when 'type' should default to "density" was buggy
|
||
|
|
(inapprpriate rounding)
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.11
|
||
|
|
|
||
|
|
## Improvements
|
||
|
|
|
||
|
|
* panel.superpose.2 (which replicates behaviour of panel.superpose in
|
||
|
|
S-PLUS) revamped, with new features to boot.
|
||
|
|
|
||
|
|
* panel.identify improved
|
||
|
|
|
||
|
|
* larrows improved, slightly different features.
|
||
|
|
|
||
|
|
* [xyz]lab in cloud / wireframe can now be grobs, and honors a 'rot'
|
||
|
|
component for rotation (e.g., zlab = list(rot = 90))
|
||
|
|
|
||
|
|
## New features
|
||
|
|
|
||
|
|
* some finer controls added to parallel (actually panel.parallel)
|
||
|
|
|
||
|
|
* trellis.last.object(...) now behaves like
|
||
|
|
update(trellis.last.object(), ...))
|
||
|
|
|
||
|
|
* "trellis" objects now have a plot method that's essentially an
|
||
|
|
alias to the print method
|
||
|
|
|
||
|
|
* new function 'current.panel.limits' to retrieve native scales of
|
||
|
|
current panel (only in later versions)
|
||
|
|
|
||
|
|
## Changes in behaviour
|
||
|
|
|
||
|
|
* behaviour of auto.key = TRUE now function specific
|
||
|
|
|
||
|
|
* auto.key list now allows a 'text' component
|
||
|
|
|
||
|
|
* defaults of several standard arguments now taken from
|
||
|
|
lattice.options()
|
||
|
|
|
||
|
|
* type='g' now calls panel.grid(h = -1, v = -1) rather thanjust
|
||
|
|
panel.grid()
|
||
|
|
|
||
|
|
* NA-handling (may have undesirable effects)
|
||
|
|
|
||
|
|
## Bug fixes
|
||
|
|
|
||
|
|
* several minor fixes
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.10
|
||
|
|
|
||
|
|
## Improvements
|
||
|
|
|
||
|
|
* relation="free" and "sliced" now work for factors (at least, as
|
||
|
|
well as can be expected)
|
||
|
|
|
||
|
|
* the code that constructs the layout of a lattice plot (in the print
|
||
|
|
method for trellis objects) has been completely rewritten. This is
|
||
|
|
mostly transparent to the user, but as a side effect, it is now
|
||
|
|
possible to control the details of the layout (things like the
|
||
|
|
amount of padding around the plot, the gap between tick marks and
|
||
|
|
labels) via the trellis settings "layout.heights" and
|
||
|
|
"layout.widths".
|
||
|
|
|
||
|
|
* col.regions and colorkey in levelplot and wireframe now honour
|
||
|
|
settings in effect when the object is printed, and not when the
|
||
|
|
object was created.
|
||
|
|
|
||
|
|
* xlab, ylab, main and sub can now be grobs
|
||
|
|
|
||
|
|
* datasets get separate documentation, contributed by Kevin Wright
|
||
|
|
|
||
|
|
## New features
|
||
|
|
|
||
|
|
* lattice.options(), similar to options(), to control various aspects
|
||
|
|
of lattice plots. This is mostly for easier code maintainance, but
|
||
|
|
can be useful for the user too.
|
||
|
|
|
||
|
|
* API now supports alpha-transparency (actual support is device
|
||
|
|
dependent) where appropriate (some cases might have been missed,
|
||
|
|
and reports of omissions would be appreciated).
|
||
|
|
|
||
|
|
* API for interacting with and enhancing Trellis plots AFTER they are
|
||
|
|
drawn, based on grid functions seekViewport, grid.locator, etc.
|
||
|
|
See ?trellis.focus
|
||
|
|
|
||
|
|
* aspect="iso" for `isometric' x- and y-axes.
|
||
|
|
|
||
|
|
* new 'default.scales' argument to high level functions, useful when
|
||
|
|
writing wrappers
|
||
|
|
|
||
|
|
* convenience function 'strip.custom' to create strip functions from
|
||
|
|
strip.default just by overriding one or more arguments
|
||
|
|
|
||
|
|
* type="H" in lplot.xy (for horizontal line). New argument
|
||
|
|
'horizontal' for panel.xyplot, which affects what happens for
|
||
|
|
various 'type'-s.
|
||
|
|
|
||
|
|
* type="g" in panel.xyplot, which draws a reference grid
|
||
|
|
|
||
|
|
* the print method now (optionally) saves the (last) object printed
|
||
|
|
in a non-visible environment. This allows retrieval of the last
|
||
|
|
printed object for 'update'-ing, and more importantly, to retrieve
|
||
|
|
panel specific data for use while interacting with and enhancing
|
||
|
|
plots after they are printed
|
||
|
|
|
||
|
|
* a summary method for trellis objects (currently pretty basic)
|
||
|
|
|
||
|
|
## Changes in behaviour
|
||
|
|
|
||
|
|
* lset has been deprecated, and trellis.par.set has been enhanced
|
||
|
|
with equivalent usage
|
||
|
|
|
||
|
|
* the strip function now gets the whole strip area to work with, and
|
||
|
|
is responsible for using it appropriately. strip.default has been
|
||
|
|
updated accordingly
|
||
|
|
|
||
|
|
* choice of color for grouped barcharts now taken from a new setting
|
||
|
|
parameter 'superpose.fill' and not 'regions' as previously
|
||
|
|
|
||
|
|
* arguments to panel.levelplot has changed (this is related to how
|
||
|
|
default colors are obtained, as described above).
|
||
|
|
|
||
|
|
## Bug fixes
|
||
|
|
|
||
|
|
* axes now drawn on last panel even if it doesn't fall on the border
|
||
|
|
of the layout
|
||
|
|
|
||
|
|
* many other miscellaneous fixes, see SvnLog for some details
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.9
|
||
|
|
|
||
|
|
## Improvements
|
||
|
|
|
||
|
|
* Axis labelling code has been rewritten to internally use S3 method
|
||
|
|
dispatch, with (unexported) methods for numeric (default),
|
||
|
|
character (for factors), POSIXct and date. More methods can be
|
||
|
|
considered on request. reversed limits are now allowed.
|
||
|
|
|
||
|
|
* contourplot can now handle missing rows in the data frame
|
||
|
|
(equivalent to NA's in z). contourplot now uses contourLines().
|
||
|
|
|
||
|
|
* cloud and wireframe now use better 3-D projection calculations, and
|
||
|
|
are generally much better than before. wireframe is much faster,
|
||
|
|
and has a better shading algorithm. It can also handle NA's and
|
||
|
|
missing rows.
|
||
|
|
|
||
|
|
* splom (specifically panel.pairs) has more functionality, including
|
||
|
|
the option of using different panel functions below and above the
|
||
|
|
diagonal, user defined diagonal panels, and a table-like layout
|
||
|
|
(similar to pairs)
|
||
|
|
|
||
|
|
* font specifications now allow for fontface and fontfamily
|
||
|
|
|
||
|
|
* much improved update method for trellis objects
|
||
|
|
|
||
|
|
* setting auto.key = TRUE now computes key at printing time,
|
||
|
|
honouring any changes in trellis settings
|
||
|
|
|
||
|
|
## New features
|
||
|
|
|
||
|
|
* arbitrary reordering of conditioning variables, as well as of
|
||
|
|
levels within a conditioning variable. This works in the update
|
||
|
|
method (as well as high-level plots), making it easy to examine
|
||
|
|
parts of a multipanel trellis display and view it in different
|
||
|
|
conditioning orders.
|
||
|
|
|
||
|
|
* extended key functionality (via the legend argument) that allows
|
||
|
|
multiple legends and the use of arbitrary grid objects as keys
|
||
|
|
|
||
|
|
* option to NOT drop unused factor levels when subsetting, by setting
|
||
|
|
drop.unused.levels = FALSE or
|
||
|
|
drop.unused.levels = list(cond = FALSE, data = FALSE)
|
||
|
|
in high-level functions like xyplot.
|
||
|
|
|
||
|
|
* Ability to attach settings to a trellis object (rather than
|
||
|
|
changing the global settings), via argument par.settings in high
|
||
|
|
level calls.
|
||
|
|
|
||
|
|
* Wireframe can now draw parametrized 3-D surfaces like spheres
|
||
|
|
(generally of the form f(u,v) = (x(u,v), y(u,v), z(u,v)), for
|
||
|
|
(u,v) in the square [0,1] x [0,1]).
|
||
|
|
|
||
|
|
* Functionality similar to locator() (possible due to recently added
|
||
|
|
features of grid). All panels should have predictable viewport
|
||
|
|
names, which can be used in seekViewport() to grab a particular
|
||
|
|
viewport. grid.locator() can subsequently be used to locate points
|
||
|
|
in the native coordinate system of that panel.
|
||
|
|
|
||
|
|
## Changes in behaviour
|
||
|
|
|
||
|
|
* allow.multiple now defaults to TRUE (whenever it makes sense),
|
||
|
|
since '+' in a formula is interpreted differently than S-PLUS
|
||
|
|
anyway. As in model formulae, I(x+y) works as expected.
|
||
|
|
|
||
|
|
|
||
|
|
* default behaviour of qq and qqmath changed (from S-PLUS behaviour)
|
||
|
|
to match corresponding base functions qqplot and qqnorm
|
||
|
|
|
||
|
|
## Bug fixes
|
||
|
|
|
||
|
|
* Fixed important bug concerning interaction of subscripts and
|
||
|
|
subsets
|
||
|
|
|
||
|
|
* lots of other fixes, mostly obscure
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.8
|
||
|
|
|
||
|
|
* Major change is the addition of a NAMESPACE. grid is now not
|
||
|
|
'require()-d', but imported only. To use grid functions directly in
|
||
|
|
lattice calls (which is a very reasonable thing to do), one needs
|
||
|
|
to explicitly call library(grid).
|
||
|
|
|
||
|
|
* contourplot() has improved when data has NA's. Still doesn't work
|
||
|
|
when the NA rows are completely omitted (in other words, the full
|
||
|
|
"matrix" has to be specified, even the entries with NA).
|
||
|
|
|
||
|
|
* Clipping can now be turned off in panels and strips via the
|
||
|
|
trellis.par.get("clip") setting.
|
||
|
|
|
||
|
|
* See Changelog for other minor changes.
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.7
|
||
|
|
|
||
|
|
## Grouping variables
|
||
|
|
|
||
|
|
* The handling of Grouped displays has been made more consistent (and
|
||
|
|
different from S-Plus). Whenever a groups= argument is specified,
|
||
|
|
it is assumed that the user wants a grouped display and an attempt
|
||
|
|
is made to honour this whenever appropriate (this ultimately
|
||
|
|
depends on the panel function). A non-trivial addition to the list
|
||
|
|
of functions that support this is barchart.
|
||
|
|
|
||
|
|
* Specification of legend (key) has been made slightly easier in the
|
||
|
|
most common cases. The key is used most often in conjunction with
|
||
|
|
the groups argument, and using the global trellis settings. The
|
||
|
|
simpleKey function (and the auto.key argument to high level
|
||
|
|
functions) uses the global settings to create a key with a not very
|
||
|
|
flexible but simple interface.
|
||
|
|
|
||
|
|
* Handling of the formula argument has been extended to allow
|
||
|
|
multiple variables on either side of the formula (with
|
||
|
|
allow.multiple = TRUE), e.g.,
|
||
|
|
`xyplot(y1 + y2 ~ x, data, allow.m = TRUE)`.
|
||
|
|
These are treated as grouped displays.
|
||
|
|
|
||
|
|
## Scales
|
||
|
|
|
||
|
|
* Some components of scales, namely tck, rot and cex, can now be
|
||
|
|
length 2 vectors, controlling left/bottom and right/top separately.
|
||
|
|
|
||
|
|
* Some more functions (not all) now handle factors in the formula
|
||
|
|
correctly (i.e., coerce them to numeric when factors are not
|
||
|
|
appropriate, but use levels of the factor for labelling).
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.6
|
||
|
|
|
||
|
|
## API change
|
||
|
|
|
||
|
|
* panel functions: In earlier versions, panel functions and prepanel
|
||
|
|
functions were guaranteed to be passed numeric vectors as x,y (and
|
||
|
|
z) arguments. This is no longer true. All panel functions are now
|
||
|
|
expected to handle other possibilities. This has been done in all
|
||
|
|
the predefined panel functions in lattice (but not in llines,
|
||
|
|
lpoints, etc.). In practice, the only changes required are (unless
|
||
|
|
I have overlooked something) to add calls like
|
||
|
|
|
||
|
|
```r
|
||
|
|
x <- as.numeric(x)
|
||
|
|
y <- as.numeric(y)
|
||
|
|
```
|
||
|
|
|
||
|
|
at the beginning. prepanel functions can now return, as their xlim
|
||
|
|
or ylim components, either a numeric vector of length 2 (possibly a
|
||
|
|
DateTime object), or a character vector. The latter implies that
|
||
|
|
the elements of this vector should be the respective axis labels,
|
||
|
|
associated with tick marks at `1:length_of_this_vector`.
|
||
|
|
|
||
|
|
|
||
|
|
* high-level functions: The default panel functions of high level
|
||
|
|
functions can now be different, depending on whether a groups
|
||
|
|
argument was passed. In practice, this now happens for xyplot,
|
||
|
|
splom and densityplot. (densityplot has an additional high-level
|
||
|
|
argument specifically for this, called panel.groups, which is
|
||
|
|
passed to the panel function.) This is a convenience feature, (and
|
||
|
|
is inconsistent with S-Plus) in that it presumes that if the user
|
||
|
|
has specified a groups argument, she wants it to be used, where
|
||
|
|
appropriate.
|
||
|
|
|
||
|
|
* scales: In anticipation of future use (in nlme, for example), the
|
||
|
|
at and labels components of scales can now be a list. Each element
|
||
|
|
corresponds to a panel. This is thoroughly untested and not
|
||
|
|
guaranteed to work.
|
||
|
|
|
||
|
|
* Some additional API changes associated with cloud and wireframe are
|
||
|
|
discussed below.
|
||
|
|
|
||
|
|
## New Features and Fixes
|
||
|
|
|
||
|
|
* Mathematical Annotation; Following changes in grid 0.7, lattice now
|
||
|
|
supports latex-style labelling using expressions. These can be used
|
||
|
|
in almost all sensible places (an exception being in colorkey axis
|
||
|
|
labels in levelplot/contourplot, and this is not expected to
|
||
|
|
change).
|
||
|
|
|
||
|
|
* Date-Time Labelling: Axis labelling procedures did not recognize
|
||
|
|
DateTime objects in earlier versions. This has been fixed. The
|
||
|
|
routine currently used is a hack of axis.POSIXt (without the format
|
||
|
|
option), but will hopefully improve in future.
|
||
|
|
|
||
|
|
## 3-D functions
|
||
|
|
|
||
|
|
* The 3-D functions cloud and wireframe have been greatly improved in
|
||
|
|
terms of extensibility. The code is much cleaner, and writing new
|
||
|
|
panel functions are much simpler. Earlier versions had a problem
|
||
|
|
with the default placement of the labels (x/y/z-lab) and scales
|
||
|
|
(arrows/ticks), which has been fixed. [The only major problem that
|
||
|
|
still remains is when, in a perspective plot, the projection of the
|
||
|
|
distant face is fully contained inside the projection of the near
|
||
|
|
face.]
|
||
|
|
|
||
|
|
* Earlier wireframe code used an unnecessarily large amount of
|
||
|
|
memory. This has been fixed, although speed is still not good
|
||
|
|
(fixes are in the planing stage, and would involve changes in
|
||
|
|
grid). drape=TRUE used to give wrong coloring, which is now fixed.
|
||
|
|
|
||
|
|
* The 'group' argument now works with wireframe, resulting in
|
||
|
|
multiple surfaces. This is mostly satisfactory, but is not
|
||
|
|
sophisticated enough to render intersecting surfaces properly
|
||
|
|
(might be approximated by a fine enough grid).
|
||
|
|
|
||
|
|
* There are also some rudimentary lighting options, which can render
|
||
|
|
the surface as being illuminated from a light source. No
|
||
|
|
shadows. (Try shade=TRUE in wireframe.)
|
||
|
|
|
||
|
|
* Although these changes go a long way towards stabilizing
|
||
|
|
cloud/wireframe, some further changes, especially in how the panel
|
||
|
|
function handles the groups argument, are expected in the future.
|
||
|
|
|
||
|
|
## Known bugs
|
||
|
|
|
||
|
|
* Handling of NA values are often inconsistent and buggy. Some of
|
||
|
|
these are not easily fixable (particularly one in contourplot), but
|
||
|
|
some are, so bug reports on this are still welcome.
|
||
|
|
|
||
|
|
* Fonts specified in the new R font specification may not work yet.
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.5
|
||
|
|
|
||
|
|
## Settings
|
||
|
|
|
||
|
|
* The biggest change is in the way settings are handled. Settings are
|
||
|
|
now stored in a global list called lattice.theme, and is truly
|
||
|
|
device-specific (i.e., settings for more than one device can be
|
||
|
|
used concurrently).
|
||
|
|
|
||
|
|
* Improved theme management via lset and show.settings.
|
||
|
|
|
||
|
|
* Changed defaults for color postscript/pdf.
|
||
|
|
|
||
|
|
## New features
|
||
|
|
|
||
|
|
* bwplot and friends which had to have the grouping factor/shingle on
|
||
|
|
the y-axis, can now have it on the x-axis as well. Far from
|
||
|
|
perfect, though, since long labels can overlap with default
|
||
|
|
settings.
|
||
|
|
|
||
|
|
* panel.superpose now accepts an additional argument called
|
||
|
|
panel.groups (by default panel.xyplot), which is the panel function
|
||
|
|
actually called for each subset of the data determined by
|
||
|
|
groups. Avoids having to write something as big as panel.superpose
|
||
|
|
for natural generalizations like interaction plots. (Related new
|
||
|
|
panel function: panel.linejoin)
|
||
|
|
|
||
|
|
* colorkey in levelplot on all sides. Rendering of large key's much
|
||
|
|
much faster (using grid.place suggested by Paul)
|
||
|
|
|
||
|
|
* Other minor changes (doc, more arguments etc)
|
||
|
|
|
||
|
|
* Following changes in grid, calls to base R graphics and lattice
|
||
|
|
functions can now be mixed.
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.4
|
||
|
|
|
||
|
|
## Overview
|
||
|
|
|
||
|
|
* Some implementation details have changed substantially. This might
|
||
|
|
cause some old code to fail, though no such instances are known. No
|
||
|
|
significant new features have been added, but there are several
|
||
|
|
bugfixes (notably in levelplot). The important changes are noted
|
||
|
|
below.
|
||
|
|
|
||
|
|
## Improvements:
|
||
|
|
|
||
|
|
* documentation restructured. There is no topic called `trellis.args'
|
||
|
|
any more. The detailed description of the arguments common to all
|
||
|
|
high level trellis functions can be found under help(xyplot)
|
||
|
|
|
||
|
|
* once trellis.device() is called, Lattice graphics and base R
|
||
|
|
graphics should mix more or less seamlessly. There is an optional
|
||
|
|
argument in trellis.device() that can deal with the first blank
|
||
|
|
page problem, with certain restrictions.
|
||
|
|
|
||
|
|
* a (as yet very small) demo, called by demo("lattice")
|
||
|
|
|
||
|
|
* Clipping: whatever is drawn by the panel function is now clipped to
|
||
|
|
inside the panel region. Strip texts are clipped to inside the
|
||
|
|
strips.
|
||
|
|
|
||
|
|
* Axis tick labels by default do not overlap, some tick marks are
|
||
|
|
left unlabelled if necessary.
|
||
|
|
|
||
|
|
* The argument list for strip.default changed to be like S
|
||
|
|
|
||
|
|
* levels() and nlevels() give sensible answers for shingles. new
|
||
|
|
print methods for shingles and levels of shingles
|
||
|
|
|
||
|
|
* colorkey (currently used only in levelplot) can now be placed to
|
||
|
|
the left, top or bottom as well
|
||
|
|
|
||
|
|
* new "lines" component in the par.strip.text argument that can be
|
||
|
|
used to change the height of strips
|
||
|
|
|
||
|
|
* xlab, main etc can be double height strings (containing "\n"-s),
|
||
|
|
the spaces allocated for these would be automatically adjusted
|
||
|
|
|
||
|
|
* strip.default now has style=5
|
||
|
|
|
||
|
|
* new panel.superpose.2 (suggested by Neil Klepeis)
|
||
|
|
|
||
|
|
* the default colour settings sometimes seem too light on a white
|
||
|
|
background. To deal with this, there is a new setting with some
|
||
|
|
darker colours that can be set by calling lset(theme =
|
||
|
|
"white.bg"). see ?lset for details. This is currently in a
|
||
|
|
proof-of-concept stage (the colors in "white.bg" were chosen just
|
||
|
|
because I liked their names), and suggestions for better color
|
||
|
|
schemes would be most welcome.
|
||
|
|
|
||
|
|
* show.settings() added
|
||
|
|
|
||
|
|
|
||
|
|
# Changes in lattice 0.3
|
||
|
|
|
||
|
|
## Overview
|
||
|
|
|
||
|
|
* The overall internal structure of the lattice package has changed
|
||
|
|
considerably in verion 0.3, in particular making it far more
|
||
|
|
readable and debuggable. However, this also means that some code
|
||
|
|
which had worked with the earlier version might now fail. (This is
|
||
|
|
just a discalimer, there are no known instances.)
|
||
|
|
|
||
|
|
## New Features
|
||
|
|
|
||
|
|
* (Almost) full support for the `key' argument for drawing legends
|
||
|
|
|
||
|
|
* Support for log scales
|
||
|
|
|
||
|
|
* levelplot (but no contourplot. In particular, the contour = T option
|
||
|
|
in levelplot does not work)
|
||
|
|
|
||
|
|
* tmd now works on the output from qq
|
||
|
|
|
||
|
|
* panel function names can now be quoted strings
|
||
|
|
|
||
|
|
* scales and its x and y components can now be just a character
|
||
|
|
string like "free" or "sliced", i.e., the relation tag can be
|
||
|
|
omitted.
|
||
|
|
|
||
|
|
* extension to the `type' argument in panel.xyplot and
|
||
|
|
panel.superpose to allow stair-like and histogram-like plots
|
||
|
|
(type="s" and "h" in plot), as well as loess smooths (using the
|
||
|
|
loess.smooth function in the modreg package). Also, more than one
|
||
|
|
of these options can now be used concurrently. This allows, for
|
||
|
|
example, a grouped plot where a grouping variable can be used to
|
||
|
|
fit separate loess curves along with the scatter for each
|
||
|
|
group. See example(xyplot)
|
||
|
|
|
||
|
|
* wrappers around grid functions with API-s of traditional graphics
|
||
|
|
functions to help port existing S-Plus Trellis code. See below for
|
||
|
|
details.
|
||
|
|
|
||
|
|
* changes in print.trellis to allow mixing of Lattice and usual R
|
||
|
|
graphics. See below for details.
|
||
|
|
|
||
|
|
## Porting S-Plus Trellis code to Lattice
|
||
|
|
|
||
|
|
* One of the basic problems in porting existing Trellis code to R is
|
||
|
|
the unusability of the base R functions like lines and points
|
||
|
|
inside panel functions. To help make the changes more
|
||
|
|
transparently, lattice now includes several wrappers around grid
|
||
|
|
functions that provide an API similar to the corresponding base R
|
||
|
|
functions. The list currently includes lpoints, llines, ltext and
|
||
|
|
lsegments [update: larrows].
|
||
|
|
|
||
|
|
## Using Lattice and base R graphics concurrently
|
||
|
|
|
||
|
|
* [OBSOLETE] Grid graphics normally do not mix with usual R
|
||
|
|
graphics. However, end-users typically might want to use lattice
|
||
|
|
functions concurrently with traditional R graphics. To allow this
|
||
|
|
without intermittent calls to grid.stop() and grid.start(),
|
||
|
|
print.trellis (which ultimately does all the plotting in lattice)
|
||
|
|
now tries to preserve the state of the device on which it plots. By
|
||
|
|
default, library(lattice) opens a device in grid enabled mode. It
|
||
|
|
can be reverted to non grid mode by grid.stop(). Subsequently, both
|
||
|
|
Lattice functions and traditional graphics functions can be
|
||
|
|
used. Devices opened by trellis.device() start in non-grid mode,
|
||
|
|
unless grid.start() is called.
|
||
|
|
|
||
|
|
## Still Missing
|
||
|
|
|
||
|
|
* [OBSOLETE, except for the parts about piechart and scale]
|
||
|
|
|
||
|
|
* contourplot, wireframe, cloud (partially implemented) and of course,
|
||
|
|
piechart
|
||
|
|
|
||
|
|
* Some components of scale (I haven't found a full list, so
|
||
|
|
can't say exactly which are missing)
|
||
|
|
|
||
|
|
* Fonts
|
||
|
|
|
||
|
|
* axis labels badly implemented, no checking for overlaps.
|
||
|
|
|
||
|
|
|