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Alex Rivera
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I have huge dataframe like this: SN = c(1:100, 1:100, 1:100, 1:100) class = c(rep("A1", 100), rep("B2", 100), rep("C3", 100), rep("D4", 100)) # total 6000 levels myvar = rnorm(400) mydf = data.frame(SN, class, myvar) I want to "unmelt" to a table with each level as single column and myvar in filled: SN A1 B2 C3 D4 .............and so on for all 6000 How can I achieve this, I know it is simple question, but I could not figure out.
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