Consider the following R code:

Why should you have that? great question. Maybe because of memory place. I really don’t know, but I received some R dataset in the form of a factor. My problem is to revert this process, i.e. obtain only a list or a vector of integers.

I felt myself stupid when I realised that the function needed is as.vector() .

There are some special characters the R function `read.table() <http://stat.ethz.ch/R-manual/R-devel/library/utils/html/read.table.html>`__ (I suppose it is the same for read.csv(), I didn't test) cannot handle …