[R] Calculating proportions from a data frame rather than a table

[Rolf Turner]

I think that what you need to do is

	as.table(as.matrix(dff))

E.g.

	melvin <- data.frame(x=c(3,1,3,2),y=c(3,3,4,5))
	clyde   <- as.table(as.matrix(melvin))
	prop.table(clyde,1)

           x         y
A 0.5000000 0.5000000
B 0.2500000 0.7500000
C 0.4285714 0.5714286
D 0.2857143 0.7142857

HTH.

			cheers,

				Rolf Turner

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