Learn R Programming

mice (version 3.15.0)

make.where: Creates a where argument

Description

This helper function creates a valid where matrix. The where matrix is an argument to the mice function. It has the same size as data and specifies which values are to be imputed (TRUE) or nor (FALSE).

Usage

make.where(data, keyword = c("missing", "all", "none", "observed"))

Value

A matrix with logical

Arguments

data

A data.frame with the source data

keyword

An optional keyword, one of "missing" (missing values are imputed), "observed" (observed values are imputed), "all" and "none". The default is keyword = "missing"

See Also

make.blocks, make.predictorMatrix

Examples

Run this code
head(make.where(nhanes), 3)

# create & analyse synthetic data
where <- make.where(nhanes2, "all")
imp <- mice(nhanes2,
  m = 10, where = where,
  print = FALSE, seed = 123
)
fit <- with(imp, lm(chl ~ bmi + age + hyp))
summary(pool.syn(fit))

Run the code above in your browser using DataLab