ligges at statistik.uni-dortmund.de
Sat Apr 1 16:14:17 CEST 2006
r user wrote:
> I am using the R 2.2.1 in a Windows XP environment.
> I have a dataframe with 12 columns and 1,000 rows.
> (Some of the rows have 1 or fewer values.)
fewer than 1? So you mean 0?
Well, the commonly used estimator for the variance is defined for n>=2
> I am trying to use rowVars to calculate the variance
> of each row.
I don't know a function rowVars in R-2.2.1 - and cannot find it ...
> I am getting the following message:
> “Error in na.remove.default(x) : length of 'dimnames'
>  not equal to array extent”
Hard to tell without knowing what you actually did.
> Is there a good work-around?
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
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