Machine Learning, Data Science.
regressions to a single linear regression). Therefore, although it can be called boosting (due to a stack of linear models), the unstacked linear model is a single linear model. Example: unstack the following linear models: Y = 0.5*X1 + 0.25*X2 (shrinkage = 1) Y = 0.25*X1 + 0.20*X2 (shrinkage =