A stepwise variable selection procedure for nonlinear regression models.

Linear Statistical Inference and its Applications

1973 • 10,599 citations

Exponential survivals with censoring and explanatory variables

1973 • 203 citations

A Step-up Procedure for Selecting Variables Associated with Survival

1975 • 154 citations

Exponential Survival with Covariance

1967 • 119 citations

Selecting Concomitant Variables Using a Likelihood Ratio Step-Down Procedure and a Method of Testing Goodness of Fit in an Exponential Survival Model

1974 • 27 citations