15. Sample Size Estimation

Introduction to Mixed Models
Training session with Dr Helen Brown, Senior Statistician, at The Roslin Institute, March 2016.
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These training sessions were given to staff and research students at the Roslin Institute. The material is also used for the Animal Biosciences MSc course taught at the Institute.
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*Recommended UA-cam playback settings for the best viewing experience: 1080p HD
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Content:
Sample size estimation
Variance of the difference between groups defined in terms of all variance components
Eg in a study with biological and technical replicates:
Use variance to define sample size formulae in terms of :
--- Number of biological replicates
--- Number of technical replicates