dumb question for genetics people spose you have a genotypically-complex heritable trait, lets say height spose you arrange for people +1sd to reproduce, and all of their offspring who are at ~+1sd to reproduce with one another, and all of /their/ offspring at ~+1sd, etc
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now consider the entire set of offspring of a generation rather than just those chosen to reproduce how many generations does it take for E(height) to be +1sd from the general population? Seems like it's either two iterations or it goes asymptotic (?)
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I guess I should just simulate this Its the robot way
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hmmm @NoamJStein this is what I had in mind is this explanation incorrect or did I just lay out the scenario incoherently?pic.twitter.com/DEaISfc8Kp
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easy way to remember for the bot: regression is to *the family* mean. there's no platonic mean that must be 100 or "classes" or "races", just groups of families.
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Replying to @SilverVVulpes @eigenrobot
also since you seem to like trad memes having a reason to exist or whatever: prob part of the advice to get "someone from a good family" is this and not just annoying in-laws. a smart cookie from a psychotic family is likely to just be a lucky outlier. bless her, but her kids,,,
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I read some old journals from an ex's grandmother from the early 1900s She was extremely concerned about these issues Specifically with the "stock" into which people were marrying It was pretty explicit
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