I got an off-line reply which fixed my problem. And, it is a good thing my cataract surgery is soon, no? turns out that qqplot and ggplot are not the same! <grin/>. But the font in notepad on Windows is such that I have difficulty in telling the difference.
On Wed, Jul 23, 2014 at 8:47 AM, John McKown <john.archie.mck...@gmail.com> wrote: > I'm trying to change a qplot to a ggplot. The reason is because I want > two plots of the same data. One a bar char, the other a line graph. > What I'm trying: > > #MSU_graph_m1b <- > qplot(Int_Start,LicPrLsys4HMSU,data=cpprdald2_m1,geom="bar",stat="identity",color=System_alias); > > MSU_graph_m1 <- > qqplot(cpprdald2_m1,aes(x=Int_Start,y=LicPrLsys4HSMU,colour=System_alias)); > > MSU_graph_m1b <- MSU_graph_m1+geom_bar(); > > #MSU_graph_m1l <- > qplot(Int_Start,LicPrLsys4HMSU,data=cpprdald2_m1,geom="line"); > > MSU_graph_m1l <- MSU_graph_m1+geom_line(); > > The commented lines are what works. What fails is the first ggplit() like: > >> MSU_graph_m1 <- >> qqplot(cpprdald2_m1,aes(x=Int_Start,y=LicPrLsys4HSMU,colour=System_alias)); > Error in as.matrix.data.frame(x) : > dims [product 9912] do not match the length of object [9923] >> > > cpprdald2_m1 is: >> str(cpprdald2_m1) > 'data.frame': 168 obs. of 60 variables: > > and Int_Start and LicPrLsys4HSMU are variables in cpprdald2_m1. > Int_Start is a POSIXlt. LicPrLsys4HSMU is a number. I have also tried > with x=as.character(Int_Start) in the aes(). > > I am using the book "R GRAPHICS COOKBOOK" as my source of examples. I > am obviously oblivious to something. > > -- > There is nothing more pleasant than traveling and meeting new people! > Genghis Khan > > Maranatha! <>< > John McKown -- There is nothing more pleasant than traveling and meeting new people! Genghis Khan Maranatha! <>< John McKown ______________________________________________ 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.
