Here is an example of how I do it using the 'col.regions' parameter:
# create color palette
col.l - colorRampPalette(c('blue', 'green', 'purple', 'yellow', 'red'))(30)
levelplot(aisle ~ store * pog, storePOG, col.regions=col.l,
cuts=diff(range(as.numeric(as.character(storePOG$aisle)), na.rm=TRUE)),
scales=list(x=list(rot=90, cex=0.5)),
panel=function(x, y, subscripts, ...){
panel.levelplot(x, y, subscripts, ...)
ltext(x,y,storePOG$lr[subscripts], fontface=bold, cex=.6)
},
xlab=Store, ylab=Planogram, main=Physical Aisle Locations)
On Sun, Nov 8, 2009 at 10:15 PM, BabyL BabyK babyl.ba...@yahoo.com wrote:
Dear R communities
May I seek your advices on how to change color the default in levelplot(),
e.g. from the default of pink and light blue, to e.g. red and green ?
The levelplot function has 1 of the arguments being panel (which is actually
panel.levelplot), but I am not sure where the commands to alter the color.
For example, I type:
p1-levelplot(my.mat,colorkey=FALSE),
how could I include col.regions of panel.levelplot?
And whether it is right to use the col.regions?
I am using R 2.8.1 in ubuntu.
Many thanks and have a good day!
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