Control for confounding is crucial in causal observational studies. However, the modelling of continuous confounders has not received much attention. This is probably because in causal research the ...
Each term in a model, called an effect, is a variable or combination of variables. Effects are specified with a special notation using variable names and operators. There are two kinds of variables: ...
Correspondence to Dr Zachary Orion Binney, Quantitative Theory and Methods, Emory University Oxford College, Oxford, Georgia, USA; zbinney{at}emory.edu Continuous data appear everywhere in sports ...