Top "Model.matrix" questions

Error in model.frame.default(object, data, xlev = xlev) : object is not a matrix

3 days old to R and can't figure out what I'm doing wrong. I'm trying to send some columns with two …

r glmnet model.matrix
Big matrix to run glmnet()

I am having a problem to run glmnet lasso with a wide data set. My data has N=50, but p &…

r glmnet lasso-regression model.matrix
Rownames for data.table in R for model.matrix

I have a data.table DT and I want to run model.matrix on it. Each row has a string …

r data.table model.matrix