[R] counting similar strings in data.frame

Knut Krueger rh at knut-krueger.de
Fri Jun 26 12:49:52 CEST 2015


Am 26.06.2015 um 10:38 schrieb PIKAL Petr:
> Hi
>
> I am little bit lost in your logic. Why triple in your fourth line is one. I expected it will be four?
>
> Petr
Sorry yes you are right ...

type mismatch
Knut



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