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y=rnorm(1000)
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x=rnorm(1000)
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c=factor(rep(c("A","B","C","D"),25))
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summary(lm(y~x+c))
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y=rnorm(100)
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x=rnorm(100)/1000+0.2*y
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c=factor(rep(c("A","B","C","D"),25))
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summary(lm(y~x+c))
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cars=DAAG::toycars
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install.packages("DAAGbio")
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cars=DAAGbio::toycars
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y=rnorm(100)
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x=rnorm(100)/1000+0.2*y
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c=factor(rep(c("A","B","C","D"),25))
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summary(lm(y~x+c))
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cars=DAAGbio::toycars
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# Полная модель
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toy_mod <-
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# Значимо ли взаимодействие? Ответ - результат drop1()
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test_interaction <-
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# Упрощенная модель (NA, если нельзя удалить взаимодействие)
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simple_mod <-
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Version: 1.0
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RestoreWorkspace: Default
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SaveWorkspace: Default
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AlwaysSaveHistory: Default
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EnableCodeIndexing: Yes
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UseSpacesForTab: Yes
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NumSpacesForTab: 2
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Encoding: UTF-8
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RnwWeave: Sweave
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LaTeX: pdfLaTeX

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