Class: SSXY

Inherits:
Object show all
Includes:
TeguGears
Defined in:
lib/examples/regression.rb

Constant Summary

Constants included from TeguGears

TeguGears::REPOSITORY_CLASS

Instance Method Summary collapse

Methods included from TeguGears

included

Instance Method Details

#process(x, y) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/examples/regression.rb', line 13

def process(x, y)
  raise ArgumentError, "x and y need to be the same size" unless x.size == y.size
  x_mean = Mean.call(*x)
  y_mean = Mean.call(*y)
  (0...x.size).inject(0.0) {|s,i| s + (y[i] - y_mean) * (x[i] - x_mean) }
end