na.delete {Hmisc} | R Documentation

## Row-wise Deletion na.action

### Description

Does row-wise deletion as `na.omit`, but adds frequency of missing values for each predictor to the `"na.action"` attribute of the returned model frame. Optionally stores further details if `options(na.detail.response=TRUE)`.

### Usage

    na.delete(frame)

### Arguments

`frame` | a model frame

### Value

a model frame with rows deleted and the `"na.action"` attribute added.

### Author(s)

Frank Harrell
Department of Biostatistics
Vanderbilt University
f.harrell@vanderbilt.edu

### See Also

`na.omit`, `na.keep`, `na.detail.response`, `model.frame.default`, `naresid`, `naprint`

### Examples

    # options(na.action="na.delete")
    # ols(y ~ x)

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