Dear Maarten,
Hartstikke bedankt!
Indeed, I keep artificially O, and apply log only for
y>0 as my teacher
suggested.
Sorry for possible confusion with the terminology.
Kind regards,
Olga
____________________________________________________________________________________
Shape Yahoo! in your own image. Join our Network Research Panel today! http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/