[R] SQL vs R

Rolf Turner r.turner at auckland.ac.nz
Sat May 3 23:42:33 CEST 2014


On 04/05/14 00:05, Dr Eberhard W Lisse wrote:

> Thank you very much, Mr Arkell.

I don't get it.  Can anyone explain the (joke? allusion?) ?

cheers,

Rolf Turner

> On 2014-05-03, 07:11 , Bert Gunter wrote:
>> 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 <nospam at 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")



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