Either an object of class kRp.text,
a character vector which must be be
a valid path to a file containing the text to be analyzed,
or a list of text features. If the latter, calculation
is done by readability.num.
hyphen
An object of class kRp.hyphen. If NULL,
the text will be hyphenated automatically.
parameters
A numeric vector with named magic numbers,
defining the relevant parameters for the index.
...
Further valid options for the main function,
see readability for details.
This function calculates Kuntzsch's Text-Redundanz-Index (text redundancy index). In contrast to
readability,
which by default calculates all possible indices,
this function will only calculate the index value.