Simple gem for Ruby which extends Array class, and gave possibility to pick element from it at random, however with certain probability (probability is given for each element).

Instalation:

gem install guided_randomness

Usage:

require ‘guided_randomness’ [1,2,3].get_rand([0.5, 0.3, 0.2])

or require ‘guided_randomness’ [1,2,3].get_rand()