The form of a linear regression with two-way interactions model is y' = (w0 * x0) + . . . + (wn * xn) + (w01 * x0 * x1) + (w02 * x0 * x2) + . . . + b. The interaction terms are the products of all ...

The standard linear regression model does not apply when ... This is called an interaction between the explanatory variables. A simple step towards a better model is to at least permit the coefficient ...

The Cox regression model with spline functions was used ... a lower malaria exposure index (Figure 1), although terms for three-way interactions among vaccination group, malaria-exposure index ...