[R] Multiple Plots using ggplot

Frederic Ntirenganya ntfredo at gmail.com
Mon Mar 30 15:39:46 CEST 2015

Dear All,

I want to plot multiple using ggplot function from a data frame of
many columns. I want to plot only str1, str2 and str3 and I failed to
make it. What I want is to compare str1, str2 and str3 by plotting
vertical line. I also need to add points to the plot to be able to
separate them.

Here is how the data look like and how I tried to make it.

Date NumberofRaindays TotalRains str1 str2 str3 1/1/1952 86 1360.5 92 120
112 1/1/1953 96 1100 98 100 110
...                                           ....
....             ...              ....            ....

df1 <-data.frame(data)
df2 <- melt(df1 ,  id = 'Date', variable_name = 'start of Rains')

ggplot(df2, aes(Date,value)) + geom_line(aes(colour ="red"),type = "h")

Kindly any help is welcome. Thanks


Frederic Ntirenganya
Maseno University,
African Maths Initiative,
Email: fredo at aims.ac.za

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