class Array

Additional methods for array stackoverflow.com/questions/1341271/average-from-a-ruby-array

Public Instance Methods

clone_partial_w_fill(_from, _to) click to toggle source

Create partial array and fill with border values if needed

# File lib/technical_graph/array.rb, line 16
def clone_partial_w_fill(_from, _to)
  part_array = Array.new
  # border = false

  (_from.._to).each do |current_i|
    # outside ranges
    if current_i < 0
      part_array << self.first
      # border = true
      next
    end

    if self.size <= current_i
      part_array << self.last
      # border = true
      next
    end

    part_array << self[current_i]
  end

  return part_array
end

float_mean() click to toggle source

# File lib/technical_graph/array.rb, line 11
def float_mean
  float_sum / size
end

float_sum() click to toggle source

# File lib/technical_graph/array.rb, line 7
def float_sum
  inject(0.0) { |result, el| result + el }
end