That Petr already showed. Please read his email again. lily li <chocol...@gmail.com> schrieb am Mi., 3. Aug. 2016 21:09:
> Thanks. How to add an additional column, with the name of each dataframe's > name? > > On Wed, Aug 3, 2016 at 1:06 PM, Ulrik Stervbo <ulrik.ster...@gmail.com> > wrote: > >> Not quite - this works: rbind(df1, df2, df3, df1, df2, df3) >> >> Or if the have your data.frames in a list, use do.call: >> >> df.lst <- list(df1, df2, df3, df1, df2, df3) >> do.call(rbind, df.lst) >> >> You might take a look at the facet functionality in ggplot once you are >> ready to build your plots. >> >> Best, >> Ulrik >> >> On Wed, 3 Aug 2016 at 17:42 lily li <chocol...@gmail.com> wrote: >> >>> Thanks, but rbind/merge function only combines two dataframes each time, >>> how to work on multiple dataframes? Thanks again. >>> >>> >>> On Wed, Aug 3, 2016 at 4:20 AM, PIKAL Petr <petr.pi...@precheza.cz> >>> wrote: >>> >>> > Hi. >>> > >>> > Hm. I would add a column indicating data frame and merge/rbind all data >>> > frames. >>> > >>> > Something like >>> > >>> > df1$fr <- 1 >>> > df2$fr <- 2 >>> > >>> > dfkompl <- rbind(df1, df2) >>> > >>> > ggplot(dfkompl, aes(x=time, y=varA, colour=factor(fr)) >>> > >>> > Cheers >>> > Petr >>> > >>> > >>> > > -----Original Message----- >>> > > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of >>> lily li >>> > > Sent: Tuesday, August 2, 2016 8:51 PM >>> > > To: R mailing list <r-help@r-project.org> >>> > > Subject: [R] plot many dfs in ggplot >>> > > >>> > > Hi all, >>> > > >>> > > I have another question. There are several dataframes, each has the >>> same >>> > > columns: time, varA, varB, varC, etc. If I want to plot time ~ varA >>> of >>> > each >>> > > dataframe, where different dataframe names use different colors. How >>> to >>> > > do this in ggplot? Thanks for your help. >>> > > >>> > > Right now, I tried to use the code below, but very laborious, and >>> needs >>> > colors >>> > > manually. >>> > > >>> > > fig1 = ggplot()+ >>> > > geom_path(data=df1, aes(x=time, y= varA, color= 'df1'))+ >>> > > geom_path(data=df2, aes(x=time, y= varA, color= 'df2'))+ >>> > > geom_path(data=df3, aes(x=time, y= varA, color= 'df3'))+ >>> > > ... >>> > > scale_color_manual('', limits=c('df1', 'df2', 'df3', ...), >>> > values=c('blue', red', >>> > > 'green', ...)) >>> > > show(fig1) >>> > > >>> > > [[alternative HTML version deleted]] >>> > > >>> > > ______________________________________________ >>> > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>> > > 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. >>> > >>> > ________________________________ >>> > Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a jsou >>> > určeny pouze jeho adresátům. >>> > Jestliže jste obdržel(a) tento e-mail omylem, informujte laskavě >>> > neprodleně jeho odesílatele. 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