Thanks a lot Biran, This is exactly what I was looking for. Thanks a ton. B est wishes, Mitra
On 29 June 2013 02:51, Brian Diggs <dig...@ohsu.edu> wrote: > On 6/27/2013 12:34 AM, Suparna Mitra wrote: > > Hello R experts, > > I am having a problem to edit legend in ggplot using four variables. > > > > My data structure is : > > str(df) > > 'data.frame': 10 obs. of 6 variables: > > $ id : Factor w/ 2 levels "639A","640": 1 1 1 1 > 1 2 > > 2 2 2 2 > > $ species : Factor w/ 5 levels > "acinetobacter_sp",..: 2 > > 5 1 4 3 2 5 1 4 3 > > $ genome_coverage_bp : int 8196 3405 8625 22568 2128 6100 1841 > > 3914 8487 1064 > > $ genome_length : int 3571237 2541445 3912725 3479613 > 5460977 > > 3571237 2541445 3912725 3479613 5460977 > > $ genome_coverage_percentage: Factor w/ 10 levels "0.02%","0.04%",..: > 8 5 > > 7 10 2 6 3 4 9 1 > > $ avg_depth_coverage : num 121.96 2.81 19.84 399.63 1.64 ... > > > > > > Now what I did is > > > p=ggplot(df,aes(genome_coverage_percentage,avg_depth_coverage))+geom_point(aes(colour > > = species,shape = factor(id))) > > p+scale_shape_discrete(name ="",labels=c("Patient 1", "Patient 2")) > > That creats the plot below. > > But I want to change the circles of legend in fill colour. So that it > > doesn't look like it is only from Patient 1, as that also has circle. > > Can anybody help me please? > > You can change the default aesthetics displayed in the legend using the > override.aes argument to guide_legend. > > scale_colour_discrete(guide=guide_legend(override.aes=aes(shape=15))) > > Also, when giving data, especially a data set this small, give the > output of dput(df) as that gives the complete data in a format that can > be used to recreate it exactly in someoneelse's session. If I had that, > I would test this to make sure it looks right. > > > Thanks a lot in advance :) > > Mitra > > > > > > > > > -- > Brian S. Diggs, PhD > Senior Research Associate, Department of Surgery > Oregon Health & Science University > [[alternative HTML version deleted]] ______________________________________________ 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.