Hi, Have you looked at the documentation at http://had.co.nz/ggplot2/ ? You will find the answers to your questions there.
On Wed, Aug 24, 2011 at 7:46 AM, ashz <a...@walla.co.il> wrote: > Hi, > > Based on some modification that I did to the R Cookbook Graphs Scatterplots > code, link:http://wiki.stdout.org/rcookbook/Graphs/Scatterplots%20(ggplot2) > > I have some questions and I will appreciate a help: > - How do I change the legend title? See the scales documentation on the website. > - How can I change the for each linear regression its color and > linetype? See the geom_smooth documentation on the website. > - How can I add for both the linear regression lines their equations and > Rseq inside or below the plot? see ?annotate Best, Ista > > Code: > set.seed(955) > df <- data.frame(cond = rep(c('A', 'B'), each=10), > xvar = 1:20 + rnorm(20,sd=3), > yvar = 1:20 + rnorm(20,sd=3)) > > ggplot(df, aes(x=xvar, y=yvar, shape=cond)) + > scale_shape_manual(values=c(1,2)) + > geom_smooth(method = "lm", se=FALSE) + > theme_bw()+ > geom_point(size = 5)+ > opts(title = "Xvar vs. Yvar", > plot.title = theme_text(face="bold", size=16), > axis.text.x = theme_text(angle=90), > axis.title.x = theme_text(face="bold", size=12), > axis.title.y = theme_text(face="bold", size=12, angle=90), > panel.grid.major = theme_blank(), # switch off major gridlines > panel.grid.minor = theme_blank() > ) > > Thanks a lot in advance > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Scatter-plots-linear-regression-in-ggplot2-tp3765080p3765080.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org 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. > -- Ista Zahn Graduate student University of Rochester Department of Clinical and Social Psychology http://yourpsyche.org ______________________________________________ R-help@r-project.org 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.