Can I combine colors and line types? For example, would it be possible to have 5 colors per 2 types of lines (continuous and dashed)?
On 11/29/06, Chuck Cleland <[EMAIL PROTECTED]> wrote: > Albert Vilella wrote: > > Are this legend colors correlated to the plot? > > They are if you rely on the colors in > > trellis.par.get("superpose.line")$col > > If you want different colors you might use trellis.par.set() to > temporarily change the colors: > > x <- c(rnorm(100,-2,1),rnorm(100,0,1),rnorm(100,2,1)) > f <- rep(c("A","B","C"), each=100) > df <- data.frame(x,f) > library(lattice) > > oldpar <- trellis.par.get("superpose.line")$col > > trellis.par.set(superpose.line = list(col = heat.colors(3))) > > densityplot(~ x, groups = f, data = df, > plot.points=FALSE, > auto.key=TRUE) > > trellis.par.set(superpose.line = list(col = oldpar)) > > If you don't require points or lines in the key, you also could do > something like this: > > densityplot(~ x, groups = f, data = df, > plot.points=FALSE, > key = simpleKey(levels(df$f), > lines=FALSE, > points=FALSE, > col=heat.colors(3)), > col=heat.colors(3)) > > To use your own colors without changing the trellis settings and to > get lines or points in the key, you probably need at least to use key = > simpleKey() rather than the auto.key argument, and you may need to look > into draw.key(). Other people on the list might know simpler approaches > for using your own colors in this situation. > > > If I do a: > > > > densityplot(~x, groups=f, plot.points=FALSE, > > auto.key=TRUE,col=heat.colors(5)) > > > > I get different colors in the legend than the plot... > > > > > > On 11/29/06, Chuck Cleland <[EMAIL PROTECTED]> wrote: > >> Albert Vilella wrote: > >> > Hi, > >> > > >> > I have a densityplot like this: > >> > > >> > x = c(rnorm(100,1,2),rnorm(100,2,4),rnorm(100,3,6)) > >> > f = sample(c("A","B","C","D","E"),300,replace=TRUE) > >> > df=data.frame(x,f) > >> > library(lattice) > >> > attach(df) > >> > densityplot(~x, groups=f) > >> > > >> > And I want to add a legend with the colours for the factors. How can > >> I do that? > >> > How can I not have the dots of the distribution at the bottom, or at > >> > least, make them occupy less vertical space? > >> > >> Change the last line to the following: > >> > >> densityplot(~x, groups=f, plot.points=FALSE, auto.key=TRUE) > >> > >> See ?panel.densityplot . > >> > >> > ______________________________________________ > >> > 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 > >> > and provide commented, minimal, self-contained, reproducible code. > >> > > >> > >> -- > >> Chuck Cleland, Ph.D. > >> NDRI, Inc. > >> 71 West 23rd Street, 8th floor > >> New York, NY 10010 > >> tel: (212) 845-4495 (Tu, Th) > >> tel: (732) 512-0171 (M, W, F) > >> fax: (917) 438-0894 > >> > > > > -- > Chuck Cleland, Ph.D. > NDRI, Inc. > 71 West 23rd Street, 8th floor > New York, NY 10010 > tel: (212) 845-4495 (Tu, Th) > tel: (732) 512-0171 (M, W, F) > fax: (917) 438-0894 > ______________________________________________ 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 and provide commented, minimal, self-contained, reproducible code.