Hi All, I want to turn a categorical array (array with factors) into a matrix with dummy variables. like array=c(a,a,b,b,b) should be turned into: a b 1 0 1 0 0 1 0 1 0 1 Do you know any way of doing this? Thanks -- View this message in context: http://r.789695.n4.nabble.com/Turn-categorical-array-into-matrix-with-dummy-variables-tp4638134.html Sent from the R help mailing list archive at Nabble.com.
Turn categorical array into matrix with dummy variables
2 messages · xuan zhao, ilai
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