R: Check Values

is.number {muStat} | R Documentation

## Check Values

### Description

Returns TRUE if the value is finite or infinite, i.e., is neither missing (NA) nor not-a-number (Nan). It replicates the same behavior of the homonymous S+ function.

### Usage

    is.number(...)

### Arguments

`...` | numeric vector

### Details

is.number is TRUE if the value is finite or infinite, i.e., is neither missing ( NA) nor not-a-number ( NaN).

### Author(s)

Knut M. Wittkowski kmw@rockefeller.edu

### Examples

    is.number(32)
    # [1] TRUE
    is.number(matrix(1:20, nrow=2))
    #      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
    # [1,] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE  TRUE
    # [2,] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE  TRUE
    is.number('s')
    # [1] FALSE

[Package muStat version 1.7.0 Index]