library(nlme) trellis.par.set(list(superpose.line = list(col = "black"))) plot(Dialyzer, outer = ~QB, key = FALSE, col = "black")
I prefer to use directly xyplot (package lattice) for a finer control. Best, Renaud 2007/3/4, Qiong Yang <[EMAIL PROTECTED]>: > Hi, > > Does anyone know how to make the color of the lines all black when > plotting groupedData with an outer factor: > > For example, > library(nlme) > plot(Dialyzer, outer=~QB, key=F) > > This generated colored curves in R.2.4.1. How to make all the curves black ? > (or how to alter the color (type) of lines for the nlme groupedData > plotting function in general?) > > Thanks > Qiong > > ______________________________________________ > 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. > -- Renaud LANCELOT Département Systèmes Biologiques du CIRAD CIRAD, Biological Systems Department Campus International de Baillarguet TA 30 / B F34398 Montpellier Tel +33 (0)4 67 59 37 17 Secr. +33 (0)4 67 59 37 37 Fax +33 (0)4 67 59 37 95 ______________________________________________ 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.