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Robert Long

Data Scientist & Statistician:

https://www.linkedin.com/in/roblongleeds/

https://scholar.google.co.uk/citations?user=pcZNzRkAAAAJ

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Top Posts (204) All Questions Answers | Votes Newest

114 Crossed vs nested random effects: how do they differ and how are they specified correctly in lme4? Aug 8 '16
56 What is “restricted maximum likelihood” and when should it be used? Jan 29 '13
26 Sample size calculation for mixed models Jan 27 '13
18 Propensity score matching after multiple imputation Sep 16 '12
17 Standard error of random effects in R (lme4) vs Stata (xtmixed) Jan 22 '13
14 Can you please explain Simpson's paradox with equations, instead than count tables? Jul 3 '16
12 Does it make sense for a fixed effect to be nested within a random one, or how to code repeated measures in R (aov and lmer)? Aug 29 '16
10 Why does changing how I code my dummy variable change significance? Aug 7 '16
10 Can you please explain Simpson's paradox with equations, instead than count tables? Jul 5 '16
10 How do the number of imputations & the maximum iterations affect accuracy in multiple imputation? Jun 15 '16
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