Sounds like you don't have a version Matrix installed from source for
2.4.0. As mentioned earlier on this list, the caching mechanism has
changed for methods, and all packages need to be installed from source
to get the correct objects.
Works fine for me with an installation of Matrix from source (version
0.995-15).
Try something like this:
> objects("package:Matrix", all=TRUE, pattern = "Schur")
[1] ".__M__Schur:Matrix" ".__T__Schur:Matrix" "Schur"
You should see two weirdly named objects, plus the function Schur().
Kjetil Halvorsen wrote:
> In a newly downloaded version (today) of R-2-4-0alpha, with all packages
> from CRAN also installed today, I get:
>
>
>> library(Matrix)
>>
> Erro en loadNamespace(package, c(which.lib.loc, lib.loc), keep.source =
> keep.source) :
> in 'Matrix' methods specified for export, but none defined: BIC,
> anova, coef, confint, deviance, fitted, fixef, formula, head, lmer, logLik,
> mcmcsamp, plot, qqmath, ranef, residuals, resid, simulate, summary, tail,
> terms, update, vcov, VarCorr, with, cbind2, rbind2, Arith, Math, Math2,
> Summary, Compare, !, +, %*%, Schur, as.array, as.matrix, as.vector, band,
> chol, colMeans, colSums, coerce, crossprod, determinant, diag, dim,
> dimnames, dimnames<-, expand, expm, kronecker, image, isSymmetric, norm,
> rcond, rowMeans, rowSums, show, solve, t, tcrossprod, tril, triu
> Error: package/namespace load failed for 'Matrix'
>
>> sessionInfo()
>>
> R version 2.4.0 alpha (2006-09-05 r39134)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=Spanish_Chile.1252;LC_CTYPE=Spanish_Chile.1252;LC_MONETARY=Spanish_Chile.1252;LC_NUMERIC=C;LC_TIME=Spanish_Chile.1252
>
> attached base packages:
> [1] "methods" "stats" "graphics" "grDevices" "utils" "datasets"
> [7] "base"
>
> other attached packages:
> lattice
> "0.13-10"
>
>
> Kjetil
>
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>
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>
>
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