Random Effects:
The term “random effects” (as contrasted with “fixed effects”) is related to how particular coefficients in a model are treated – as fixed or random values. Which approach to choose depends on both the nature of the data and the objective of the study. See fixed effects for a detailed explanation.
Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.
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