Hi I am using geom_smooth to fit linear regression lines over a scatterplot for two treatment groups. The default colour for the two lines are blue. I have been unable to change this with the usual options. A search online has not suggested any solution / work around. Is there a solution to this? many thanks, sy -- View this message in context: http://r.789695.n4.nabble.com/ggplot-geom-smooth-colour-tp4653301.html Sent from the R help mailing list archive at Nabble.com.
"... A search online has not suggested any solution / work around."
Really?
Have a look at this: http://docs.ggplot2.org/current/geom_smooth.html
Regards,
Jos? Iparraguirre
Chief Economist
Age UK
-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of soon yi
Sent: 17 December 2012 14:17
To: r-help at r-project.org
Subject: [R] ggplot geom_smooth colour
Hi
I am using geom_smooth to fit linear regression lines over a scatterplot for
two treatment groups. The default colour for the two lines are blue. I have
been unable to change this with the usual options. A search online has not
suggested any solution / work around.
Is there a solution to this?
many thanks, sy
--
View this message in context:
http://r.789695.n4.nabble.com/ggplot-geom-smooth-colour-tp4653301.html
Sent from the R help mailing list archive at Nabble.com.
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Hi Yes i had look at this but it doesnt quite do what i am wanting. I do not want the smoothed line to be coloured, or dependant on a factor or the default blue. An example, library(ggplot2) df<-data.frame(y=rnorm(100,30,10),x=rnorm(100,20,5),treat=factor(rbinom(100,1,0.5))) p1<-ggplot(df, aes(x=x, y=y,group=treat)) + theme_bw() + geom_smooth(aes(linetype=treat),method="lm", se=FALSE, fullrange=T,size=1) + geom_point(aes(shape=treat),size=3) + scale_shape_manual(values=c(1,16)) p1 The fitted lines are blue - whereas i wish them to be black. Adding colour="black" into the geom_smooth aesthetic does not change the line colour to black. thanks, sy soon yi wrote> Hi > > I am using geom_smooth to fit linear regression lines over a scatterplot > for two treatment groups. The default colour for the two lines are blue. I > have been unable to change this with the usual options. A search online > has not suggested any solution / work around. > > Is there a solution to this? > > many thanks, sy-- View this message in context: http://r.789695.n4.nabble.com/ggplot-geom-smooth-colour-tp4653301p4653312.html Sent from the R help mailing list archive at Nabble.com.
Hello, Inline. Em 17-12-2012 15:44, soon yi escreveu:> Hi > > Yes i had look at this but it doesnt quite do what i am wanting. I do not > want the smoothed line to be coloured, or dependant on a factor or the > default blue. > > An example, > > library(ggplot2) > > df<-data.frame(y=rnorm(100,30,10),x=rnorm(100,20,5),treat=factor(rbinom(100,1,0.5))) > > p1<-ggplot(df, aes(x=x, y=y,group=treat)) + theme_bw() + > geom_smooth(aes(linetype=treat),method="lm", se=FALSE, fullrange=T,size=1) > + > geom_point(aes(shape=treat),size=3) + > scale_shape_manual(values=c(1,16)) > > p1 > > The fitted lines are blue - whereas i wish them to be black. > > Adding colour="black" into the geom_smooth aesthetic does not change the > line colour to black.Yes it does. But add to geom_smooth, _outside_ the aesthetic. p1 <- ggplot(df, aes(x=x, y=y, group=treat)) + theme_bw() + geom_smooth(aes(linetype=treat), colour="black", method="lm", se=FALSE, fullrange=T, size=1) + geom_point(aes(shape=treat), size=3) + scale_shape_manual(values=c(1, 16)) p1 Looks black to me. Hope this helps, Rui Barradas> > thanks, sy > soon yi wrote >> Hi >> >> I am using geom_smooth to fit linear regression lines over a scatterplot >> for two treatment groups. The default colour for the two lines are blue. I >> have been unable to change this with the usual options. A search online >> has not suggested any solution / work around. >> >> Is there a solution to this? >> >> many thanks, sy > > > > > -- > View this message in context: http://r.789695.n4.nabble.com/ggplot-geom-smooth-colour-tp4653301p4653312.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help at 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.
Thank you. Rather embarrassed. Its fair to say i had rather over comlicated my attempts to do this. sy soon yi wrote> Hi > > I am using geom_smooth to fit linear regression lines over a scatterplot > for two treatment groups. The default colour for the two lines are blue. I > have been unable to change this with the usual options. A search online > has not suggested any solution / work around. > > Is there a solution to this? > > many thanks, sy-- View this message in context: http://r.789695.n4.nabble.com/ggplot-geom-smooth-colour-tp4653301p4653334.html Sent from the R help mailing list archive at Nabble.com.