[R] Lattice Cloud()-Plot with the same color for different groups
Hofert Marius
m_hofert at web.de
Tue May 27 09:10:51 CEST 2008
Hi,
Consider the following cloud()-plot consisting of two lines:
library(lattice)
mydata=data.frame(x=rep(1:4,2),y=rep(1:2,each=4),z=c(1,2,3,4,4,3,2,1))
cloud(z~x*y,data=mydata,groups=y,type=rep("l",2))
Now, I would like to change the color of the lines (still works fine):
cloud(z~x*y,data=mydata,groups=y,type=rep("l",2),col=c(1,2))
But when I change the color to be the same for each group, i.e. for
both lines, then the groups are "combined" by a line:
cloud(z~x*y,data=mydata,groups=y,type=rep("l",2),col=c(2,2))
How do I remove this group-combining line so that the cloud()-plot
looks like in the first plot above, but with the same colors for each
line? Assigning the color in the data.frame mydata also did not help.
Thanks!
marius
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