154 citations · 196 across the 15 of their papers we have counts for
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stat.ME2017
Automatic Response Category Combination in Multinomial Logistic Regression
Bradley S. Price, Charles J. Geyer, Adam J. Rothman
We propose a penalized likelihood method that simultaneously fits the multinomial logistic regression model and combines subsets of the response categories. The penalty is non diff…
stat.ME2017★ 10 cited
Shrinking characteristics of precision matrix estimators
Aaron J. Molstad, Adam J. Rothman
We propose a framework to shrink a user-specified characteristic of a precision matrix estimator that is needed to fit a predictive model. Estimators in our framework minimize the…