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Re: st: right-skewed proportion data


From   Francisco Rowe <frowe@ucn.cl>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: right-skewed proportion data
Date   Sat, 7 Jul 2012 19:40:37 +1000

What do you want to do? Do you want to model it?

Francisco.

On 07/07/2012, at 4:50 PM, Jörg Eulenberger wrote:

> 
> 
> 
> Dear Statalisters,
> 
> i have a problem with right-skewed dependvariable. The range of
> this variable are 0-1 (proportion data 0%-100%). The Distribution looks like poisson, but the values are not discret.
> 
> I created the dependvariable by counting the missings (item-non-responce) row wise. Then i
> standardize this variable by the number of  all possible variables
> (automatic filtering causes different count of vars).
> 
> *************
> ds
> local varnumber `: word count `r(varlist)''
> gen varnumber_without_filter_missing = `varnumber'-filter_missing
> gen item_non_response_percent = (100/varnumber_without_filter_missing)*number_item_non_response
> gen item_non_response_percent_r = item_non_response_percent /100    /* range 0-1 */
> ******************
> 
> I found the article http://www.stata-journal.com/sjpdf.html?articlenum=st0147for handling
> proportion data. But what is the right way to handling a right-skewed
> (proportion) dependvar? 
> 
> 
> Any suggestions?
> Thanks,
> Jörg
> 
> 
> 
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