From: alejandro munoz <guerinche_at_gmail.com>

Date: Sat 10 Dec 2005 - 04:03:50 EST

library(lattice)

plot(groupedData(y ~ x | groups, data=z))

# symbol colors recycle after every 8 for plot and legend symbols;

# e.g. a, h, and o are cyan.

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Dec 10 04:16:12 2005

Date: Sat 10 Dec 2005 - 04:03:50 EST

dear r-helpers,

it seems the colors in an automatically generated lattice legend recycle after the 8th color, even when the user has set e.g. superpose.symbol$col to be longer than 8. the following example will illustrate what i mean:

z <- data.frame(x=rep(letters[1:15], each=4), y=rnorm(60),

groups=rep(LETTERS[1:3], 20))library(nlme)

library(lattice)

plot(groupedData(y ~ x | groups, data=z))

# symbol colors recycle after every 8 for plot and legend symbols;

# e.g. a, h, and o are cyan.

trellis.par.set(superpose.symbol = list(col=rainbow(15)))
plot(groupedData(y ~ x | groups, data=z))

# each dot in the plot has a different color, but colors in legend

# still recycle every 8 points; e.g. cyan, violet, and blue aren't in legend.

in case this is an nlme issue, i examined the three plot.XXXGroupedData methods, but could not find any obvious fixes.

is there a simple way of having auto.key "know" how many color entries it should have?

alejandro

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Dec 10 04:16:12 2005

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