http://home.planet.nl/~smits.jeroen/home.html

Jeroen Smits is a social researcher in the Dept of Economics of the Nijmegen School of Management; he is also affiliated with the Dept of Sociology. Downloadable papers and SPSS syntax on Heckman two-step procedure and links.

Ссылка добавлена: 16 февраля 2002 г.