Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: right-skewed proportion data
From
Maarten Buis <[email protected]>
To
[email protected]
Subject
Re: st: right-skewed proportion data
Date
Sat, 7 Jul 2012 11:38:09 +0200
On Sat, Jul 7, 2012 at 8:50 AM, Jörg Eulenberger wrote:
> 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).
There are several possibilties:
- Add the raw count and number of possible variables to -gologit-.
- -betafit- will deal with skewed variables
- -glm- with -link(logit)- and -vce(robust)- does not care about skew
Hope this helps,
Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
*
* 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/