koRpus (version 0.05-6)

coleman.liau: Readability: Coleman-Liau Index

Description

This is just a convenient wrapper function for readability.

Usage

coleman.liau(txt.file, ecp = c(const = 141.8401, char = 0.21459, sntc =
  1.079812), grade = c(ecp = -27.4004, const = 23.06395), short = c(awl =
  5.88, spw = 29.6, const = 15.8), ...)

Arguments

txt.file

Either an object of class kRp.tagged-class, 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 latte

ecp

A numeric vector with named magic numbers, defining the relevant parameters for the cloze percentage estimate.

grade

A numeric vector with named magic numbers, defining the relevant parameters to calculate grade equvalent for ECP values.

short

A numeric vector with named magic numbers, defining the relevant parameters for the short form of the formula.

...

Further valid options for the main function, see readability for details.

Value

• An object of class kRp.readability-class.

Details

Calculates the Coleman-Liau index. In contrast to readability, which by default calculates all possible indices, this function will only calculate the index value.

This formula doesn't need syllable count.

Examples

coleman.liau(tagged.text)