[R] to represent color range on plot segment

karthicklakshman karthick.lakshman at gmail.com
Mon Aug 29 13:35:39 CEST 2011


Dear Jim,

Thank you very much for your code.

There is no problem with
df[df[,2]>0,3]<-color.scale(df[df[,2]>0,2],c(1,0),1,c(0,1)) but the other
has an error message if there is a negative value, like
> df[df[,2]<0,3]<-color.scale(df[df[,2]<0,2],1,c(1,0),c(1,0))
Error in rgb(reds, greens, blues) : 
  color intensity -0.157746, not in [0,1]

Kindly update me with your comments.

Regards,
karthick

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