plot many dfs in ggplot
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 <chocold12 at 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.pikal at 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-bounces at r-project.org] On Behalf Of lily
li
Sent: Tuesday, August 2, 2016 8:51 PM To: R mailing list <r-help at 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)
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