what is the purpose of farth regression firth logistic regression which of the following methods will be used to select which model? why use firth what is the firth penalty? when to use firth regression in logistic regression why use firth logistic regression when should firth be included in probability when to use firth in logistic regression why does firth penalize what is the firth regression why use firth logistic regression? why firth regression why use firth regression is firth regression a model what is firth penalty why use the firth term with logistic regression why use firth regression when using firth regression why use firth logistic regression