[R] adding a frequency variable to a data frame

[Michael Friendly]

Bingo! That's exactly the idiom I was looking for.
Thanks, Andrija.
-Michael


On 4/11/2014 4:57 PM, Andrija Djurovic wrote:
> another:
>
> ave(as.numeric(Donner$family), Donner$family, FUN=length)
>


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Michael Friendly     Email: friendly AT yorku DOT ca
Professor, Psychology Dept. & Chair, Quantitative Methods
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