is.constant: Logical Check of a Constant
In LaplacesDemonR/LaplacesDemonCpp: C++ Extension for LaplacesDemon

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

1	is.constant(x)

`x`	This is a vector.

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

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

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

LaplacesDemonR/LaplacesDemonCpp documentation built on May 7, 2019, 12:43 p.m.

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