class Array - straightedge-0.1.2 Documentation

mean() click to toggle source

# File lib/straightedge/extend/array.rb, line 16
def mean 
  sum / size
end

second() click to toggle source

# File lib/straightedge/extend/array.rb, line 5
def second; self[1] end

sum(&blk) click to toggle source

# File lib/straightedge/extend/array.rb, line 8
def sum(&blk)
  if block_given?
    map(&blk).sum
  else
    inject(&:+)
  end
end

third() click to toggle source

# File lib/straightedge/extend/array.rb, line 6
def third;  self[2] end