Readability: Gunning FOG Index
This is just a convenient wrapper function for readability.
FOG(
txt.file,
hyphen = NULL,
parameters = list(syll = 3, const = 0.4, suffix = c("es", "ed", "ing")),
...
)txt.file |
Either an object of class |
hyphen |
An object of class kRp.hyphen. If |
parameters |
A list with named magic numbers and a vector with verb suffixes,
defining the relevant parameters for the index,
or one of |
... |
Further valid options for the main function,
see |
Calculates the Gunning FOG index. In contrast to readability,
which by default calculates all possible indices,
this function will only calculate the index value.
If parameters="PSK", the revised parameters by Powers-Sumner-Kearl (1958) are used,
and
if parameters="NRI", the simplified parameters from the Navy Readability Indexes,
respectively.
An object of class kRp.readability.
DuBay, W.H. (2004). The Principles of Readability. Costa Mesa: Impact Information. WWW: http://www.impact-information.com/impactinfo/readability02.pdf; 22.03.2011.
Powers, R.D, Sumner, W.A, & Kearl, B.E. (1958). A recalculation of four adult readability formulas, Journal of Educational Psychology, 49(2), 99–105.
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