Hi R-helpers,

I wish to produce frequency histograms of all of the variables in my
dataframe (except some identifying variables).

I have tried

>hist(dataframe[,3:20])

to produce histograms of the 3rd through 20th variables in my dataframe, but
R doesn't like that.

Could anyone provide a suggestion?

Also, once I produce the histograms, I'd like to save them as graphic files
on my computer. How would I do that using code (rather than Right-click |
Save as metafile, which would be tedious for dozens of histograms).

Thanks, Mark

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