naprint
Print Missing Value Information

### Description

Prints details, such as the number of rows omitted, that are derived from missing value information.

### Usage

    naprint(x, ...)
    ## Default S3 method:
    naprint(x, ...)
    ## S3 method for class 'exclude':
    naprint(x, ...)
    ## S3 method for class 'omit':
    naprint(x, ...)

### Arguments

x | An object created by an na.action function such as na.exclude. Typically this is a component of a model object for which an na.action was specified.
... | Other methods may use more arguments, but the basic methods listed here do not.

### Details

Calls to this function should be added to the print and print.summary methods for modeling functions using an na.action.
This function is an S Version 3 generic and includes method functions naprint.default, naprint.exclude, and naprint.omit.
Value
returns a character string that provides a message with missing value information such as the number of rows omitted.
See Also
na.exclude, naresid
Examples

    df <- data.frame(a = 1:5, b = (1:5)^2, c =  c((1:4)^2, NA), d = c((1:3)^2, NA, NA))
    naprint(attr(na.exclude(df), "na.action"))
    naprint(na.action(na.omit(df)))
    naprint(na.action(na.pass(df)))

Package stats version 6.1.5-18
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