I am using R version 2.6.0 on Linux (CentOS 4.5) and have a problem with
executing nearZeroVar function in the package caret.
I am using the latest release of caret v4.17.
I have a matrix X with 266 rows and 4 columns and when implementing nearZeroVar
function from caret package I get following error message.
> C <- nearZeroVar(X);
Error in table(data, useNA = "no") :
all arguments must have the same length
Calls: nearZeroVar -> apply -> FUN -> table
I have executed step by step commands in the function nearZeroVar and found
that it fails when it tries
> t<- table(X,useNa = "no")
Error in table(X, useNa = "no") : all arguments must have the same length
If I try without useNa="no" it works fine
> t<- table(X)
> t
X
0 1 9 11 12 14 17 18 21 22 37 39 66 123
1026 10 1 5 8 1 1 1 1 1 2 4 1 2
>
When I tried to see the code for table there is no mention of useNa.
> table
function (..., exclude = c(NA, NaN), dnn = list.names(...), deparse.level = 1)
{
Could this be a problem with my current version of R 2.6 ? In the specs for
caret it depends on R>2.5.1.
Thanks in advance
DK
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