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Calculating the inverse of the beta cumulative probability density in JavaScript

I need to duplicate the functionality of this EXCEL function in JavaScript - the inverse of the beta cumulative probability density http://office.microsoft.com/en-gb/excel-help/beta-inv-function-HP010335670.aspx.

Is there a JS library which offers this? I've tried Jstat (http://www.jstat.org/) but it does not appear to have this particular calculation.

Solution

  • I've solved this by building a more up to date version of the jStat Library from here: https://github.com/jstat/jstat