Re: [R] Help with unstack() function

The unstack function is a bit clumsy for this problem: library(MASS) cbind(Treatment = unstack(Rabbit, Treatment ~ Animal)[,1], Dose = unstack(Rabbit, Dose ~ Animal)[,1], unstack(Rabbit, BPchange ~ Animal)) A much better choice would be to use the reshape package: require(reshape) rec

[R] Help with unstack() function

Hi Everyone, I am trying to understand the unstack() function but after struggling for two days, I have given up. More specifically, I am trying the exercises at the end of Chapter 1 of Data Analysis and Graphics Using R by Maindonald and Braun, 2nd ed. Exercise 18 (p. 41) asks to unstack the Rab