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Re: 3 components in 1D and 2D

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Sat, 9 Jun 2001 08:48:54 +0400

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 Joanie, If you work with PC you can used the nice program TriDraw. It is destined for plotting triangles and trapezia. You can paste you data from Excel to this program and plot your triangle diagrams. The TriDraw is shareware. The author's e-mail is [log in to unmask] .                                 Pavel. 8-Jun-2001 11:48 Joanie Marion wrote: > Apologies for multi-postings. > Is it possible using Excel to display three components on an x-y > plot: > Say, first > (i) x = a/b -v- y = c+d (where all components are variable) and > (ii) x = f/g -v- y = h/g (where f and h are variable but g is > constant) > second, divide the result of x/y in either (i) or (ii) scenario and > plot > against a third component, z, which is variable although not a > ratio. > Is this statistically legitimate? If so, this should give a 1D > scatter > graph of three components. > If the above is not scientifically valid, does anyone know of a > programme > that can: > (a) compute 3 components that are statistically legitimate into a 1D > graph; > (b) compute 2 (or 3 as above) components into 2D (I cannot think of > a way to > produce 2D in Excel). > Regards > _________________________________________________________________________ > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. --     ********************************************************     | Pavel Azimov, PhD |     | Institute of Precambrian Geology and Geochronology |     | Russian Academy of Sciences |     | 2, Makarov Embankment |     | St.Petersburg, 199034, Russia |     | Phone: +7(812)328-03-62 |     | Fax: +7(812)328-48-01 |     | E-Mail: <[log in to unmask]> |     ********************************************************