class Bmg::Summarizer::Stddev

Standard deviation summarizer

Example:

# direct ruby usage
Bmg::Summarizer.stddev(:qty).summarize(...)

Public Instance Methods

finalize(memo) click to toggle source

Finalizes the computation.

Calls superclass method
# File lib/bmg/summarizer/stddev.rb, line 14
def finalize(memo) 
  Math.sqrt(super(memo))
end