[R] Error loading object in stats package

[David Winsemius]

> On Mar 7, 2016, at 12:34 PM, <a.sanders at navitaire.com> <a.sanders at navitaire.com> wrote:
> 
> I am trying to use a package that uses the package car which uses sigma in the stats package, but apparently my version of the stats package doesn't contain the function sigma. How can I go about fixing this?
> 
> Thanks
> 
> 
> Error : object 'sigma' is not exported by 'namespace:stats'
> 
> In addition: Warning messages:
> 
> 1: package 'car' was built under R version 3.3.0
> 
> 2: replacing previous import by 'stats::sigma' when loading 'pbkrtest'
> 
> Error: package or namespace load failed for 'car'
> 

If you only provide the error message and not the code or a description of hte actions that lead to the error, you can only get speculation. (There is no function `sigma` in the stats package, although based on this exchange in R help that is about to change.)

> Dec 11, 2015; 12:24pmRe: Updating Package Fails: Help on How to Fix Needed
> 
> 3789 posts
> In reply to this post by William Dunlap
> On 11/12/2015 2:36 PM, William Dunlap wrote: 
> > stats::sigma was added to R recently.  It is is R-devel now, I don't know 
> > about yesterday's R-3.2.3. 
> 
> As Rich saw, it's not.  pbkrtest should have "Depends: R (>= 3.3.0)" 
> instead of "Depends: R (>= 3.0.0)" in its DESCRIPTION. 
> You can see it failed tests on CRAN. 
> 
> Duncan Murdoch
--- end quoted material from Dec posting


> 
> SessionInfo:
> R version 3.2.3 (2015-12-10)
> Platform: x86_64-w64-mingw32/x64 (64-bit)
> Running under: Windows Server 2008 R2 x64 (build 7601) Service Pack 1
> 
> locale:
> [1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United States.1252    LC_MONETARY=English_United States.1252
> [4] LC_NUMERIC=C                           LC_TIME=English_United States.1252
> 
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
> 
> other attached packages:
> [1] JGR_1.7-16    iplots_1.1-7  JavaGD_0.6-1  rJava_0.9-8   ggplot2_2.0.0 png_0.1-7
> 
> loaded via a namespace (and not attached):
> [1] Rcpp_0.12.3      splines_3.2.3    MASS_7.3-45      munsell_0.4.3    colorspace_1.2-6 lattice_0.20-33  minqa_1.2.4
> [8] plyr_1.8.3       tools_3.2.3      nnet_7.3-11      parallel_3.2.3   grid_3.2.3       gtable_0.1.2     nlme_3.1-124
> [15] lme4_1.1-10      Matrix_1.2-3     nloptr_1.0.4     scales_0.3.0
> 
> 
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> 
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David Winsemius
Alameda, CA, USA