val2col {vulcan} | R Documentation |
Convert a numeric vector into colors
val2col(z, col1 = "navy", col2 = "white", col3 = "red3", nbreaks = 100, center = TRUE, rank = FALSE)
z |
a vector of numbers |
col1 |
a color name for the min value, default 'navy' |
col2 |
a color name for the middle value, default 'white' |
col3 |
a color name for the max value, default 'red3' |
nbreaks |
Number of colors to be generated. Default is 30. |
center |
boolean, should the data be centered? Default is TRUE |
rank |
boolean, should the data be ranked? Default is FALSE |
a vector of colors
a<-rnorm(1000) cols<-val2col(a) plot(a,col=cols,pch=16)