search for: lehrstuehle

Displaying 2 results from an estimated 2 matches for "lehrstuehle".

2006 Sep 12
1
Kendall's tau-c
...o you have a hint? Best regards Knut Wenzig -- Dipl.-Sozialw. Knut Wenzig Lehrstuhl fuer Soziologie und empirische Sozialforschung Universitaet Augsburg | Universitaetsstrasse 6 | 86159 Augsburg Tel ++49 821 598-4101 | FAX -4222 | ICQ: 210200999 | Germany http://www.philso.uni-augsburg.de/lehrstuehle/soziologie/sozio2/
2003 May 28
2
Ordinal data - Regression Trees & Proportional Odds
I have a data set w/ an ordinal response taking on one of 10 categories. I am considering using polr to fit a cumulative logits model. I previously fit the model in SAS (using proc logistic) which provides a test for the proportional odds assumption (p < 0.001 for the test). Are there simple diagnostic plots that can be used to look at the validity of this assumption and possibly help w/