Are lower-order interactions a prequisite for three-way interactions in regression analysis?
57358
Do all interactions terms need their individual terms in regression model?
93145
Can I add several additional variables to my principal component regression?
111234
Interaction in generalized linear model
27545
Can I probe cross-level interactions without random slope in a hierarchical linear model?
129671
Stepwise regression in R – Critical p-value
104236
Factor analysis and regression
61400
Either quadratic or interaction term is significant in isolation, but neither are together
11786
Simple effects of categorical interaction
12444
Multivariate linear regression vs. several univariate regression models
77384
How to test for a monotonic relationship between two variables, without assuming a specific functional model?
154912
Does correlation between variables in an interaction matter?
92113
Local polynomial regression: Why does the variance increase monotonically in the degree?
41386
Should one be concerned about multi-collinearity when using non-linear models?
71727
Calculating and interpreting effect sizes for interaction terms
87528
Interpreta​tion of main effect when interactio​n term is significan​t (ex. lme)
112590
How to deal with multicollinearity when performing variable selection?
73957
Estimating a normal distribution from three order statistics