[R] Error running lda example from Help File (MASS library )

[David Winsemius]

On Nov 14, 2009, at 7:02 PM, Greg Riddick wrote:

> Hello all,
>
> I'm trying to run lda() from the MASS library but the Help example  
> generates
> the following error:
>
> #Code from example in lda Help file
> <no code included>
> # Resulting Error
>
>> Error in if (targetlist[i] == stringname) { : argument is of length  
>> zero

Cannot reproduce on setup possibly similar to yours:

 > sessionInfo()
R version 2.10.0 Patched (2009-10-29 r50258)
x86_64-apple-darwin9.8.0

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] splines   stats     graphics  grDevices utils     datasets   
methods   base

other attached packages:
[1] MASS_7.3-3      plyr_0.1.9      survey_3.18     Design_2.3-0     
Hmisc_3.7-0
[6] survival_2.35-7 lattice_0.17-26

loaded via a namespace (and not attached):
[1] cluster_1.12.1 grid_2.10.0    tools_2.10.0


>
> My Current R Installation:
> MacOSX: 10.5.8
> R: 2.10.0

What is your sessionInfo(), requested in Posting Guide.

>
> -- 
> Gregory Riddick, PhD.
> CRTA Research Fellow
>
> National Institutes of Health
> National Cancer Institute, Neuro-Oncology Branch
> http://home.ccr.cancer.gov/nob/
>
> 37 Convent Drive
> Building 37, Room 1142
> Bethesda, MD 20892-8202
-- 
David Winsemius, MD
Heritage Laboratories
West Hartford, CT