set terminal postscript color
set title  "" 
set xlabel  "eigenvector 1" 
set ylabel  "eigenvector 2" 
plot  "rgEigPCAtest1_pca.xls.evec.1:2:Case" using 2:3 title "Case" , \
 "rgEigPCAtest1_pca.xls.evec.1:2:Control" using 2:3 title "Control" 
## pause 9999