grasp.cormat {grasper} | R Documentation |
Calculates correlation between PVs and plots a matrix of correlation
grasp.cormat(gr.Yi, cols, thin = 1)
gr.Yi |
Selected responses to be used in the form of a vector with column numbers |
cols |
Selected predictors to be used in the form of a vector with column numbers |
thin |
Leave 1 |
This function calculates correlation between PVs and plots a matrix of correlation. It is a visual check. Too highly correlated PVs have to be eliminated manually, after checking.
Fabien Fivaz fabien.fivaz@bluewin.ch. Ported to R from GRASP http://www.cscf.ch/grasp/ for S-Plus written by A. Lehmann, J.R. Leathwich and J. McC Overton. Look at http://www.fivaz.ch/grasper/index.html for details and update.
grasp.histo
, grasp.datamap
, grasp.RvsP