This is a function inside its own environment. This enables
a bunch of functions to be manipulated outside the package,
even when they are called from function within the
dendextend package.
Usage
dendextend_options(option, value)
Arguments
option
a character scalar of the value of the
options we would like to access or update.
value
any value that we would like to update into
the "option" element in dendextend_options