74 lines
2.5 KiB
Plaintext
74 lines
2.5 KiB
Plaintext
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R Under development (unstable) (2017-11-28 r73785) -- "Unsuffered Consequences"
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Copyright (C) 2017 The R Foundation for Statistical Computing
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Platform: x86_64-apple-darwin17.2.0 (64-bit)
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R is free software and comes with ABSOLUTELY NO WARRANTY.
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You are welcome to redistribute it under certain conditions.
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Type 'license()' or 'licence()' for distribution details.
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R is a collaborative project with many contributors.
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Type 'contributors()' for more information and
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'citation()' on how to cite R or R packages in publications.
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Type 'demo()' for some demos, 'help()' for on-line help, or
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'help.start()' for an HTML browser interface to help.
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Type 'q()' to quit R.
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> ## tests of fix for PR#9831
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> library(nlme)
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> val <- c("10"=1.10,"14"=1.14)
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> vf <- varIdent(value=val, form=~1|age, fixed=c("12"=1.12))
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> vfi <- Initialize(vf,Orthodont)
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> vfi
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Variance function structure of class varIdent representing
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8 10 14 12
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1.00 1.10 1.14 1.12
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> str(vfi)
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'varIdent' Named num [1:2] 0.0953 0.131
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- attr(*, "names")= chr [1:2] "10" "14"
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- attr(*, "groupNames")= chr [1:4] "8" "10" "14" "12"
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- attr(*, "fixed")= Named num 0.113
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..- attr(*, "names")= chr "12"
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- attr(*, "formula")=Class 'formula' language ~1 | age
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.. ..- attr(*, ".Environment")=<environment: R_GlobalEnv>
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- attr(*, "groups")= chr [1:108] "8" "10" "12" "14" ...
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- attr(*, "whichFix")= logi [1:3] FALSE FALSE TRUE
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- attr(*, "weights")= Named num [1:108] 1 0.909 0.893 0.877 1 ...
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..- attr(*, "names")= chr [1:108] "8" "10" "12" "14" ...
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- attr(*, "logLik")= num -9.17
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> stopifnot(
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+ all.equal(coef(vfi), c(0.0953101798043, 0.131028262406)),
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+ all.equal(coef(vfi, unconstrained = FALSE, allCoef = TRUE),
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+ c("8" = 1, "10" = 1.1, "14" = 1.14, "12" = 1.12)))
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>
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> vfiCopy <- vfi # copy of an initialized object
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> length(vfiCopy) # length is 2
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[1] 2
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> coef(vfiCopy) <- c(11,12) # error in 3.1-84
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> stopifnot(identical(coef(vfiCopy), c(11,12)))
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>
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> ## error in 3.1-84
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> (gls. <- gls(distance ~ age, weights = vfi, data=Orthodont))
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Generalized least squares fit by REML
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Model: distance ~ age
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Data: Orthodont
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Log-restricted-likelihood: -253.4207
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Coefficients:
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(Intercept) age
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16.746600 0.659796
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Variance function:
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Structure: Different standard deviations per stratum
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Formula: ~1 | age
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Parameter estimates:
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8 10 14 12
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1.000000 0.872009 1.121849 1.120000
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Degrees of freedom: 108 total; 106 residual
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Residual standard error: 2.453257
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>
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> proc.time()
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user system elapsed
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0.246 0.040 0.272
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