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This function provides a logical test of whether or not a vector is a constant.
is.constant(x)
This is a vector.
The is.constant function returns a logical result, reporting TRUE when a vector is a constant, or FALSE otherwise.
is.constant
TRUE
FALSE
As opposed to a variable, a constant is a vector in which the elements contain less than or equal to one unique value.
unique
# NOT RUN { library(LaplacesDemon) is.constant(rep(1,10)) #TRUE is.constant(1:10) #FALSE # }
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