Plot Variable Frequency using ggplot2

Question

I'd like to plot a bar graph showing frequency of a string in ggplot. The input file (t1. txt) looks like:

do  4
re  2
mi  5

and my current r script is:

library("ggplot2")
t1<-read.table("t1.txt",header=FALSE,sep='\t')
ggplot(t1,aes(V1))+geom_bar()

However this isn't what I'd like - it has a correct x axis, but the y axis should show the variable from the second column (V2). Can anyone help? Thanks.

John · Accepted Answer · 2011-09-24 14:15:33Z

2

All you need to do is put the actual V2 in the command then. The default first two items to aes are x and y. You've only given x.

ggplot(t1,aes(V1,V2))+geom_bar()

answered Sep 24, 2011 at 14:15

John

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