Module: Algorithms

Defined in:
lib/algorithms.rb

Class Method Summary collapse

Class Method Details

.grade(sentences, words, syllables) ⇒ Object 



14
15
16
 
# File 'lib/algorithms.rb', line 14

def self.grade sentences, words, syllables
  (0.39 * (words / sentences) + 11.8 * (syllables / words) - 15.59).round(2)
end

.syllable_count(word) ⇒ Object

see stackoverflow.com/questions/1271918/ruby-count-syllables



2
3
4
5
6
7
8
 
# File 'lib/algorithms.rb', line 2

def self.syllable_count word # see https://stackoverflow.com/questions/1271918/ruby-count-syllables
  word.downcase!
  return 1 if word.length <= 3
  word.sub!(/(?:[^laeiouy]es|ed|[^laeiouy]e)$/, '')
  word.sub!(/^y/, '')
  word.scan(/[aeiouy]{1,2}/).size
end

.wiener_sachtextformel(sentences, words, ms) ⇒ Object 



10
11
12
 
# File 'lib/algorithms.rb', line 10

def self.wiener_sachtextformel sentences, words, ms
  (0.2656 * (words / sentences) + 0.2744 * ms -1.693).round(2)
end