Source code of various statistical computations in JavaScript

Explanation

These JavaScript classes have been written by Paul Cooijmans and can be studied, used, distributed, and adapted freely by anyone as meant in the GNU General Public License:

• Stat.js — General statistical functions
• Reliability.js — Reliability-related functions
• NormalizedT.js — Normalized T-scores from proportions outscored
• ItemAnalyzer.js — Item analysis
• FactorAnalyzer.js — Basic first-factor analysis

Download all as a .zip file

Notice: One needs to be skilled at programming to use these, and there is no user interface included, so one will have to write the "frontend" oneself if so desired.