Statistics/genetics question: have variance component estimates (eg twin/GCTA) ever been applied outside genetics? Can't find any examples.
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@KirkegaardEmil Not sure that counts. Isn't that more about specific concrete covariates added/subtracted to models?
@gwern ANOVA is exactly about that: breaking down the variance to different sources. However, usually people use SEM to derive estimates now
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@KirkegaardEmil Sure, but before SEMs & MLMs, weren't they using classic variance equations like 2*(v_dz -v_mz)? How does ANOVA work here? -
@gwern Yes, Falconer's formula. These are derived analytically from quantitative genetics. Not similar to ANOVA inferences (AFAIK).
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@gwern E.g. this SEM setup for deriving estimates from twins. From http://gen.lib.rus.ec/book/index.php?md5=8499a4cf4ebc5252ba6ff28561fde3e6 …pic.twitter.com/joRJVZPWmt
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Think difference is most uses of ANOVA don't use any kind of similarity, but examine variance explained by concrete variable
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