[R] Non-Numeric Histograms

Jim Lemon jim at bitwrit.com.au
Sun Jul 9 20:12:42 CEST 2006

justin rapp wrote:
> I have a dataset with a variable that is non-numeric.  I was wondering
> if there is an easy way in R to create a bar graph that will tell me
> how many of each level of this non-numeric variable are in the overall
> dataset.
> Specifically, if my variable is LETTER, and I have A, B,C, D, E, F and
> I want to find out how many of each letter there are, what is the
> easiest way to do this in R and use the information to make a plot?
Hi Justin,

You might want to take a look at freq and plot.freq in the plotrix package.


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