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Robert Long top 2% this year

Apparently, this user prefers to keep an air of mystery about them.

150 answers
14 questions
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Top Posts (164) All Questions Answers | Votes Newest

90 Crossed vs nested random effects: how do they differ and how are they specified correctly in lme4? Aug 8 '16
54 What is “restricted maximum likelihood” and when should it be used? Jan 29 '13
24 Sample size calculation for mixed models Jan 27 '13
17 Standard error of random effects in R (lme4) vs Stata (xtmixed) Jan 22 '13
16 Propensity score matching after multiple imputation Sep 16 '12
13 Can you please explain Simpson's paradox with equations, instead than count tables? Jul 3 '16
10 Why does changing how I code my dummy variable change significance? Aug 7 '16
9 Can you please explain Simpson's paradox with equations, instead than count tables? Jul 5 '16
8 Residuals analysis: interpretation of a scatter plot Jul 3 '16
8 How do the number of imputations & the maximum iterations affect accuracy in multiple imputation? Jun 15 '16
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