Paper

Zahid, Faisal Maqbool; Tutz, Gerhard (2011): Proportional Odds Models with High-dimensional Data Structure. Department of Statistics: Technical Reports, Nr. 100 [PDF, 989kB]

Zahid, Faisal Maqbool (2011): Ordinal Ridge Regression with Categorical Predictors. Department of Statistics: Technical Reports, Nr. 101 [PDF, 284kB]

Zahid, Faisal Maqbool; Heumann, Christian (2011): Regularized Proportional Odds Models. Department of Statistics: Technical Reports, Nr. 103 [PDF, 414kB]

Zahid, Faisal Maqbool; Tutz, Gerhard (2010): Multinomial Logit Models with Implicit Variable Selection. Department of Statistics: Technical Reports, Nr. 89 [PDF, 461kB]

Zahid, Faisal Maqbool; Tutz, Gerhard (September 2009): Ridge Estimation for Multinomial Logit Models with Symmetric Side Constraints. Department of Statistics: Technical Reports, Nr. 67 [PDF, 287kB]