Calculate readability scores. e.g. Flesch, Flesch-Kincaid, and more
Project description
py-readability-metrics
Score the readability of text using popular readability metrics including: Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog and more
Install
pip install py-readability-metrics
python -m nltk.downloader punkt
Usage
from readability import Readability
r = Readability(text)
r.flesch_kincaid()
r.flesch()
r.gunning_fog()
r.coleman_liau()
r.dale_chall()
*Note: text
must contain >= 100 words*
Details
In all examples below r
is:
r = Readability(text)
Flesch-Kincaid Grade Level
The U.S. Army uses Flesch-Kincaid Grade Level for assessing the difficulty of technical manuals. The commonwealth of Pennsylvania uses Flesch-Kincaid Grade Level for scoring automobile insurance policies to ensure their texts are no higher than a ninth grade level of reading difficulty. Many other U.S. states also use Flesch-Kincaid Grade Level to score other legal documents such as business policies and financial forms.
method:
r.flesch_kincaid()
example:
fk = r.flesch_kincaid()
print(fk.score)
print(fk.grade_level)
Flesch Reading Ease
The U.S. Department of Defense uses the Reading Ease test as the standard test of readability for its documents and forms. Florida requires that life insurance policies have a Flesch Reading Ease score of 45 or greater.
method:
r.flesch()
example:
f = r.flesch()
print(f.score)
print(f.ease)
print(f.grade_levels)
Dale Chall Readability
The Dale-Chall Formula is an accurate readability formula for the simple reason that it is based on the use of familiar words, rather than syllable or letter counts. Reading tests show that readers usually find it easier to read, process and recall a passage if they find the words familiar.
method:
r.dale_chall ()
example:
cl = dale_chall()
print(cl.score)
print(cl.grade_levels)
### Coleman Liau Index
The Coleman-Liau Formula usually gives a lower grade value than any of the Kincaid, ARI and Flesch values when applied to technical documents.
**_method:_**
```python
r.coleman_liau()
example:
cl = r.coleman_liau()
print(cl.score)
print(cl.grade_level)
Gunning Fog
the Gunning fog index measures the readability of English writing. The index estimates the years of formal education needed to understand the text on a first reading. A fog index of 12 requires the reading level of a U.S. high school senior (around 18 years old).
method:
r.gunning_fog()
example:
gf = r.gunning_fog()
print(gf.score)
print(gf.grade_level)
Contributing
Contributions are welcome!
License
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