R: Logical Check of a Constant

is.constant {LaplacesDemon} | R Documentation

## Logical Check of a Constant

### Description

This function provides a logical test of whether or not a vector is a constant.

### Usage

    is.constant(x)

### Arguments

`x` | This is a vector.

### Details

As opposed to a variable, a constant is a vector in which the elements contain less than or equal to one unique value.

### Value

The `is.constant` function returns a logical result, reporting `TRUE` when a vector is a constant, or `FALSE` otherwise.

### Author(s)

Statisticat, LLC. software@bayesian-inference.com

### See Also

`unique`

### Examples

    library(LaplacesDemon)
    is.constant(rep(1,10)) #TRUE
    is.constant(1:10) #FALSE

[Package LaplacesDemon version 16.1.1 Index]