> Hi All, > > I'm on Delphi 2005. Can someone please point me in the direction of > a freeware component for calculating a line of best fit and > correlation coefficient for a series of x & y values? There's not > going to be a whole lot of points so speed is not the issue here, > just something simple that works. > > Ta muchly, > Chris. > Hi Chris, I suppose that you could use one of the least squares methods described here http://en.wikipedia.org/wiki/Least_squares current maths co-processors make them speedy and if really necessary you could hand code a small amount. I found it interesting that Gauss developed these when he was 18. When I was eighteen least squares was not in my universe :) Mick
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