constant.default: Default method to test whether a variable is constant

In gmonette/spida15: Collection of miscellaneous functions for mixed models etc. prepared for SPIDA 2009+ (development version)

Description

Default method to test whether a variable is constant

Usage

constant.default(x, na.rm = FALSE, ...)

Arguments

x
na.rm
...

Examples

##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (x, na.rm = F, ...) 
{
    if (na.rm) 
        x <- na.omit(x)
    length(unique(x)) <= 1
  }

gmonette/spida15 documentation built on May 17, 2019, 7:26 a.m.