module TeaLeaves::ArrayMethods

Public Instance Methods

moving_average(average_specifier) click to toggle source

Returns a moving average for this array, given either a number of terms or a list of weights.

See MovingAverage for more detail.

# File lib/tealeaves/moving_average.rb, line 96
def moving_average(average_specifier)
  if average_specifier.kind_of?(Array)
    avg = MovingAverage.weighted(average_specifier)
  elsif average_specifier.kind_of?(Integer)
    avg = MovingAverage.simple(average_specifier)
  else
    raise ArgumentError.new("Unknown weights")
  end
  
  avg.calculate(self)
end