Extended Array class for correlation coefficient
- add conf.gem line to
build_config.rb
MRuby::Build.new do |conf|
# ... (snip) ...
conf.gem :mgem => 'mruby-correlation'
end
assert("Array#correlation_coefficient_with") do
d = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
assert_equal(1.0, d.correlation_coefficient_with([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]))
assert_equal(1.0, d.correlation_coefficient_with(d))
assert_equal(1.0, d.correlation_coefficient_with(d.map{|a|a/2}))
assert_equal(-1.0, d.correlation_coefficient_with(d.reverse))
assert_equal(0.9923373049285564, d.correlation_coefficient_with([2, 3, 3, 4, 6, 7, 8, 9, 10, 11]))
assert_equal(-0.9803906931996748, d.correlation_coefficient_with([15, 13, 12, 12, 10, 10, 8, 7, 4, 3]))
end
under the MIT License:
- see LICENSE file