[R] Converting column of strings to boolean
Peter.Brecknock at bp.com
Sun Jan 27 00:27:45 CET 2013
> I'm trying to convert a column of strings (nominal types) to a set of
> boolean / binary / logical values. For example, in the column there is
> red, blue, green and yellow. There are 100 rows and each has a colour. I
> want to convert the column to 4 columns: red, blue, green,yellow and then
> either 1 or 0 put in the relevant row.
maybe model.matrix will help ....
# d is my understanding of your data
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