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2006 Dec 11
2
How to write a two-way interaction as a random effect in a lmer model?
...r of obs: 1744, groups: rnr, 217; rnr, 217 Fixed effects: Estimate Std. Error t value (Intercept) 28.164471 0.716359 39.32 handling 0.012477 0.012330 1.01 stress 0.636979 0.416011 1.53 Correlation of Fixed Effects: (Intr) hndlng stress handling -0.645 stress -0.517 0.667 Could anybody please give me an advice how to solve this problem? Which way is correct to express interaction in the random factors? How should the output look like? Thank you in advance, Eva Fucikova *******...