Class: Entropy::Dict

Inherits:

Object

• Object
• Entropy::Dict

Defined in:

lib/entropy/dict.rb

Instance Method Summary

• #freq(k) ⇒ Object

  Compute frequency of the element.

• #initialize ⇒ Dict constructor

  A new instance of Dict.

• #scan_keys ⇒ Object

  Return all the elements of the space.

• #upd(k) ⇒ Object

  Add an element to the space.

Constructor Details

#initialize ⇒ Dict

Returns a new instance of Dict.

# File 'lib/entropy/dict.rb', line 8

def initialize
  @bucket = Hash.new(0)
  @space_size = 0
end

Instance Method Details

#freq(k) ⇒ Object

Compute frequency of the element

# File 'lib/entropy/dict.rb', line 20

def freq(k)
  (@bucket[k].to_d / @space_size)
end

#scan_keys ⇒ Object

Return all the elements of the space

# File 'lib/entropy/dict.rb', line 25

def scan_keys
  @bucket.keys
end

#upd(k) ⇒ Object

Add an element to the space

# File 'lib/entropy/dict.rb', line 14

def upd(k)
  @bucket[k] += 1
  @space_size += 1
end