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 YouTube playback settings for the best viewing experience:  1080p HD
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Content:
Historical Perspective
- 1950s Used in agriculture
- 1980s Used in social sciences particularly education (‘Multilevel’ models)
- 1990s
--- Computational requirements less of a barrier
--- Introduced into mainstream statistical packages, eg SAS
--- Use in medicine
- Various descriptions:
--- Mixed models
--- Multilevel models
--- Random effects models
--- Hierachical models
--- Variance component models
--- Random coefficients models
--- Random slopes models