52 lines
1.6 KiB
R
52 lines
1.6 KiB
R
|
#### Thanks to the manipulation in base namespace, see ../R/zzz.R ,
|
||
|
|
#### all the functions (in 'base' or namespaces that import it)
|
||
|
|
#### starting with something like
|
||
|
|
#### " x <- as.matrix(x) " or " X <- as.array(X) "
|
||
|
|
#### will work for 'Matrix'-matrices
|
||
|
|
|
||
|
|
## for R_DEFAULT_PACKAGES=NULL :
|
||
|
|
library(stats)
|
||
|
|
library(utils)
|
||
|
|
|
||
|
|
library(Matrix)
|
||
|
|
|
||
|
|
data(KNex, package = "Matrix")
|
||
|
|
mm <- KNex$mm
|
||
|
|
str(m1 <- mm[1:500, 1:200])
|
||
|
|
m11 <- m1[1:100, 1:20]
|
||
|
|
## These now work thanks to using our as.matrix():
|
||
|
|
str(D1 <- dist(m11))
|
||
|
|
str(rs <- apply(m1, 1, sum))
|
||
|
|
|
||
|
|
stopifnot(identical(kappa(Matrix(2:5, 2)),
|
||
|
|
kappa(matrix(2:5, 2))))
|
||
|
|
## used to seg.fault, PR#7984,
|
||
|
|
## because qr() was calling the wrong as.matrix()
|
||
|
|
|
||
|
|
## also matplot() or pairs().
|
||
|
|
|
||
|
|
## a regression test for as.matrix.dist(.) still working
|
||
|
|
data(USJudgeRatings, package = "datasets")
|
||
|
|
stopifnot(c(43, 43) == dim(as.matrix(d <- dist(USJudgeRatings))))
|
||
|
|
|
||
|
|
m <- Matrix(0:5, 3, 2)
|
||
|
|
(m2 <- Matrix(diag(c(3,1))))
|
||
|
|
(m3 <- crossprod(t(m))) # <- that's an S4 method; nothing "base"
|
||
|
|
|
||
|
|
str( svd(m) )
|
||
|
|
str( lapply(eigen(m3), zapsmall))
|
||
|
|
|
||
|
|
### outer() used to work thanks to as.array() -- up to R 2.2.1
|
||
|
|
## no longer, because the definition of outer has changed -- FIXME?
|
||
|
|
## Whould work by providing an as.vector(.) method
|
||
|
|
## *and* is.array(.) \-> TRUE which may be too strong
|
||
|
|
##--> For %o%: "need" to make outer(.,.) an S3 generic
|
||
|
|
## *and* provide Matrix S3 methods
|
||
|
|
## stopifnot(identical(outer(m, m2),
|
||
|
|
## outer(as(m,"matrix"), as(m2,"matrix"))),
|
||
|
|
## identical(outer(m3, m2),
|
||
|
|
## outer(as(m3,"matrix"), as(m2,"matrix"))))
|
||
|
|
|
||
|
|
|
||
|
|
cat('Time elapsed: ', proc.time(),'\n') # for ``statistical reasons''
|