From: Daniel Cohen Date: 2009-11-02T05:29:13+09:00 Subject: [ruby-core:26473] [Feature #2322] [PATCH] Add standard deviation function to Math Module Feature #2322: [PATCH] Add standard deviation function to Math Module http://redmine.ruby-lang.org/issues/show/2322 Author: Daniel Cohen Status: Open, Priority: Normal Category: core This patch adds a Standard Deviation function to the Math Module. It takes an array and finds the standard deviation of all its elements, as long as they are numbers. ---------------------------------------- http://redmine.ruby-lang.org