Tjorriemorrie Posted July 16, 2008 Share Posted July 16, 2008 Hey, I've used Excel's standard deviation and confidence functions, and I'm looking for something similar in php. I used the standard deviation for the confidence, giving me a conservative and aggressive 'boundry' from the average. I couldn't find it http://www.w3schools.com/php/php_ref_math.asp What I'm looking for is to get a calculated minimum/conservative value and maximum/aggresive value for an array's values. Does anybody have functions or something that I can use? Link to comment https://forums.phpfreaks.com/topic/114987-standard-deviation-and-confidence/ Share on other sites More sharing options...
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