2 papers
stat.ME2017
Multigroup discrimination based on weighted local projections
Thomas Ortner, Irene Hoffmann, Peter Filzmoser +3
A novel approach for supervised classification analysis for high dimensional and flat data (more variables than observations) is proposed. We use the information of class-membershi…
stat.ME2017
Robust and sparse estimation methods for high dimensional linear and logistic regression
Fatma Sevinc Kurnaz, Irene Hoffmann, Peter Filzmoser
Fully robust versions of the elastic net estimator are introduced for linear and logistic regression. The algorithms to compute the estimators are based on the idea of repeatedly a…