[TI-M] Re: Statistics

To: <ti-math@lists.ticalc.org>
Subject: [TI-M] Re: Statistics
From: "Scott Noveck" <noveck@pluto.njcc.com>
Date: Thu, 23 May 2002 18:30:56 -0400
References: <20020522222331.392E818017@mx-1.sollentuna.net>
Reply-To: ti-math@lists.ticalc.org


> I need to know how to do statistical regressions manually for a program
that
> I am writing.  Could someone point me in the right direction and/or tell
me
> how to do them on this list?  I need linear, quadratic, exponential,
> logarithmic, sine, cosine, power, and the following conic sections:
circle,
> ellipse, parabola (both), and hyperbola (both).

For any polynomial regression (including linear and quadratic), I believe
you can use the least-squared solution of y=a_0+a_1*x+a_2*x^2+...+a_n*x^n.

    -Scott

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