Genetic prediction of common diseases is based on testing multiple genetic variants with weak effect sizes. Standard logistic regression and Cox Proportional Hazard models that assess the combined ...
Most marketing measurement models operate on a simple assumption: effects are additive. Campaign A drives 100 leads, Campaign B drives 200, so the total impact is 300. But in reality, marketing often ...
Reduced rank approximation of matrices by Householder-Young methods is shown to be equivalent to fitting of a bilinear (multiplicative) model and to projection onto an optimally chosen subspace. The ...