By making the effort to learn R?
See e.g. the "Introduction to R" tutorial that ships with R.
-- Bert
Bert Gunter
Genentech Nonclinical Biostatistics
(650) 467-7374
"Data is not information. Information is not knowledge. And knowledge
is certainly not wisdom."
H. Gilbert Welch
On Fri, May 2, 2014 at 2:23 PM, Dr Eberhard Lisse <nos...@lisse.na> wrote:
> Hi,
>
> How do I do something like this without using sqldf?
>
> a <- sqldf("SELECT COUNT(*) FROM b WHERE c = 'd'")
>
> or
>
> e <- sqldf("SELECT f, COUNT(*) FROM b GROUP BY f ORDER BY f")
>
> greetings, el
>
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
