Extensive use of restricted cubic splines to let the data dictate the shape of relationships.
It bridges the gap between high-level theory and "boots-on-the-ground" data analysis. It teaches you how to build models that actually replicate in the real world. Regression Modeling Strategies: With Applicatio...
Harrell’s primary mission is to combat . He argues against common but flawed practices like: Using P-values to select variables (Stepwise regression). Dropping "insignificant" variables from a final model. Extensive use of restricted cubic splines to let