DataFit

DataFit is a tool used to perform nonlinear regression (curve fitting), statistical analysis and data plotting. What sets DataFit apart from similar curve fitting and regression programs is its ease of use. DataFit is driven by a well-designed graphical interface, so there are no complicated instructions to remember and no programs to write. Data entry is achieved through a standard spreadsheet interface, which supports ASCII and ODBC data source import, as well as cutting and pasting data from the clipboard. With DataFit, you can perform linear or nonlinear regression on data containing up to 20 independent variables. You can choose from more than 600 pre-defined equations, which are commonly used in statistical, scientific and engineering applications, or create your own equations. Solved equations are sorted according to goodness-of-fit. DataFit also includes forward selection, backward elimination, stepwise selection and manual variable selection modes to help determine which independent variables should be included in your regression model for multivariate datasets. Results include completely customizable 2D and 3D plots, fitted parameters with confidence intervals, input vs. estimated data and goodness-of-fit information. Plots can be saved as templates, which allows them to be applied to new plots in order to instantly give them your own custom appearance. Data tables, supporting interpolation and extrapolation (projections), can be exported in ASCII, Excel or HTML format. You can also automatically export source code in BASIC or C to utilize any solved equation in a program that you have written. Macro capability allows curve fitting operations to be performed non-graphically, either in batch mode or by calling DataFit from an external program. With the combination of an intuitive interface, online help and wide range of features, it is a tool that is used effectively by both beginners and experts.

Changes: Vista Support, Various plotting enhancements, Enhanced help.

Minimum requirements: 16 Meg RAM

Operating system: WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista Home Premium x64,Windows Vista Business x64,Windows Vista Enterprise x64,Windows Vista Ultimate x64

Program URL: http://www.curvefitting.com

The evaluation version of DataFit is provided free of charge to the user for evaluation purposes only. The evaluation copy may be redistributed to others for evaluation purposes, but it must not be altered in any way and cannot be redistributed as part of another system. Anyone distributing the evaluation version of DataFit for any kind of remuneration must first contact Oakdale Engineering at the address below for authorization. This authorization will be automatically granted to distributors recognized by the (ASP) as adhering to its guidelines for software distributors, and such distributors may begin offering DataFit immediately. However, Oakdale Engineering must still be advised so that the distributor can be kept up-to-date with the latest version of DataFit. Oakdale Engineering, 23 Tomey Road, Oakdale, PA 15071 USA

Users of must accept this disclaimer of warranty: "DataFit" is supplied as is. Oakdale Engineering disclaims all warranties, expressed or implied, including, without limitation, the warranties of merchantability and of fitness for any purpose. Oakdale Engineering assumes no liability for damages, direct or consequential, which may result from the use of the trial version of DataFit.

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