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markvanderloo / simputation

Making imputation easy
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add proper ratio-imputation #14

Open markvanderloo opened 7 years ago

markvanderloo commented 7 years ago

Ratio imputation is based on a weighted single regressio regression Y = bX with weights 1/X. Would be nice to have a impute_ratio function. Also lm makes a different choice in selecting data under missingess than

b <- mean(Y,na.rm=TRUE)/mean(X,na.rm=TRUE)