A new study investigated how logistic regression model training affects performance, and which features are best to include when examining datasets from individuals suffering from COVID-19.

The most commonly used statistical models of civil war onset fail to correctly predict most occurrences of this rare event in out-of-sample data. Statistical methods for the analysis of binary data, ...

Varying-index coefficient models extend varying-coefficient models and single-index models for semiparametric regressions. This new class of model offers greater exibility in terms of characterizing ...