Mixed Models with R

September 3, 2010

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http://cran.r-project.org/doc/contrib/Fox-Companion/appendix-mixed-models.pdf   Advertisements

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A mixed model for trend analysis

December 19, 2007

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I am working on my first application of PROC MIXED on actual data. I offered to help a professor with trend analysis for a longitudinal study on utterances of infants/toddlers from different linguistic and geographic groups. The n for each group is different and there is attrition at each step. I asked her and her […]

Why Mixed Reviews…

March 9, 2007

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Back in 2007, when I started learning Mixed Effect Modeling using SAS PROC MIXED I kept repeating in my head the phrase “mixed reviews”, as that was what I felt to write about using multilevel modeling for clustered data. I am still using mixed effects (a.k.a., HLM or multilevel modeling) to analyse data, particularly longitudinal […]