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2013 Jun 22
0
Sparse Matrices and glmnet
...; %*% <dgCMatrix>
However, even converting test to a matrix does not help.
Essentially, I am trying to train a linear model to deal with a set of
predictors that consist only of categorical variables.
The train and test datasets can be downloaded from
http://db.tt/23DzlIt3
http://db.tt/3GIcNpSE
Any suggestion is welcome.
Cheers
Lorenzo