[R] glmpath error

Duncan Murdoch
Wed, 19 Sep 2007 10:29:33 -0000

Tirthadeep wrote:
> Hi,
>
> I am using glampath package for L1 regularized logistic regression. I got
> the following error messege.
>
>
>> model.fit <- glmpath(train.data[,1:20], train.data$RES,
family=binomial)
>>
> Error in one %*% x : requires numeric matrix/vector arguments
>
> where train.data is a 700X21 matrix and 21st column in response (RES).
>
If it is a matrix, then train.data$RES won't work.  That column
selection method only works for data frames,
because they are lists, and matrices aren't.

Duncan Murdoch
> Please clarify!!!
>
> Thanks
>