1. Cameron

    There was a significant difference between mean scores, so what’s next?

    What’s the mathematical meaning of a significant difference between mean scores? What should we expect? What we are allowed to say about our two groups? For example, if I have done a survey and I have a significant difference between males and females in intelligence. After this survey what I am...
  2. S

    Mathematical equation to the R code

    Hi all, I'm pretty new to R and not a statistics expert. I'd be very grateful if someone could help me with the following question: I'm using the following R code for the calculation of a varying intercept, varying slopes LMER model: > Model.2004 <- lmer(var1 ~ var2 + var3 + var4 +...