Re: [R] Color of points in a 3d plot of a PCA

2009-04-17 Thread Duncan Murdoch
On 4/17/2009 10:43 AM, Alejandro González wrote: Dear all, I'm trying to perform a principal components analysis of a sample of individuals, and to plot it in 3D, assigning different colors according to the population each individual belongs to. Given that the matrix I have to use for the PCA

[R] Color of points in a 3d plot of a PCA

2009-04-17 Thread Alejandro González
Dear all, I'm trying to perform a principal components analysis of a sample of individuals, and to plot it in 3D, assigning different colors according to the population each individual belongs to. Given that the matrix I have to use for the PCA cannot contain cualitative variables (here, the p