R: Creates a 'where' argument

make.where {mice} | R Documentation

## 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"))

### 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"`

### Value

A matrix with logical

### See Also

`make.blocks`, `make.predictorMatrix`

### Examples

    head(make.where(nhanes), 3)

[Package mice version 3.8.0 Index]