A short primer on fixed and random effects estimators in R with four examples from Wooldridge (2013).
Tags » Random Effects
I admit that I’ve been skeptical of the complete rewrite of PyMC that underlies version 3. It seemed to me motivated by an interest in using unproven new step methods that require knowing the derivative of the posterior distribution. 66 more words
The intraclass correlation coefficient (ICC) is a useful descriptive statistic for measuring the strength of the relationship between the observations within a class or group. It is often used, for example, to assess reliability in interrater reliability studies. 719 more words