I have nested data within schoolclasses, therefore I want to run multilevel analysis' with R, package lme4. My hypothesis is H0: x = 0. I don't know how do put this into a multilevel analysis. Can you help me with this?
I did a regressionanalysis with the following variables: Predictor = dummy variable, dependent Variable = metric, moderator variable = metric
I know wanna show my results in a figure.
The interaction should be shown by three regression lines. One for moderator = Mean (0), one for...
I'd like to do a regression analysis with interactions, my data has two levels (school classes ans pupils). My variables are: Predictor = dummy variable on Level 1, dependent Variable = metric on level 1, moderator variable = metric, Level 2
I used the following command, but I am not...