Class: CoCoGe::WordsSymbolGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/co_co_ge/words_symbol_generator.rb

Instance Method Summary collapse

Constructor Details

#initialize(corpus:, filter: -> word { true }, post_process: -> word { word.upcase }) ⇒ WordsSymbolGenerator

Returns a new instance of WordsSymbolGenerator.



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# File 'lib/co_co_ge/words_symbol_generator.rb', line 2

def initialize(corpus:, filter: -> word { true }, post_process: -> word { word.upcase })
  @corpus       = corpus
  @filter       = filter
  @post_process = post_process
end

Instance Method Details

#compute ⇒ Object 



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# File 'lib/co_co_ge/words_symbol_generator.rb', line 8

def compute
  words = @corpus.split(/\s+/).map(&@post_process).select(&@filter)
  count = Hash.new(0)
  words.each do |word|
    count[word] += 1
  end
  count.sort_by { |c| -c.last }.first(255).map(&:first)
end