Re: st: How can I count the number of variables that meet a certain condition per observation?

[Nick Cox <njcoxstata@gmail.com>]

Your questions change from post to post....

The total of variables precisely equal to 2 is the count of such  
variables multiplied by 2. Thus the first answer implies the second.

Nick


On 4 Dec 2011, at 12:50, "Schreck, Philipp" <schreck@bwl.lmu.de> wrote:

> Hi Daniel,
>
> Thank you very much for your help. Sorry for not having found the  
> corresponding text via the -help- function before. I actually needed  
> both, counting the number of variables with value "2":
> egen var1 = anycount(var_101-var_110), values(2)
>
> and computing the sum across these variables (sorry for the  
> imprecise question).
>
> Thanks & greetings,
> Philipp
> ------------------------------
>
> Date: Sat, 3 Dec 2011 13:18:57 +0100
> From: daniel klein <klein.daniel.81@googlemail.com>
> Subject: Re: st: How can I count the number of variables that meet a  
> certain condition per observation?
>
> Phillip "would like to count for each observation the number of
> variables that meet a certain condition, say var*==2."
>
> The very first function in -help egen- is -anycount()- and is  
> described as:
>
> "It returns the number of variables in varlist for  which values are
> equal to any integer value in a supplied numlist.  [...] Also see
> anyvalue(varname) and anymatch(varlist)."
>
> However, I am not sure I am getting the problem, because
>
> "[...] computing the sum across variables (for each observation) ONLY
> for those variables with values greater than 1"
>
> to me means something comletely different and is not at all
>
> "[...] alternatively, [...]"
>
> to
>
> "the number of variables with values greater than 1 per
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/