Extract a parameter from a list of results

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Description

Used to extract parameter estimates and standard errors from lists produced by with.imputationList.

Usage

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MIextract(results, expr, fun)

Arguments

results

A list of objects

expr

an expression

fun

a function of one argument

Details

If expr is supplied, it is evaluated in each element of results. Otherwise each element of results is passed as an argument to fun.

Value

A list

See Also

with.imputationList, MIcombine

Examples

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data(smi)
models<-with(smi, glm(drinkreg~wave*sex,family=binomial()))

betas<-MIextract(models,fun=coef)
vars<-MIextract(models, fun=vcov)
summary(MIcombine(betas,vars))