DataFitX
Rating
Downloads
: 278
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Price : 549.00
Commercial
Size :
2.24MB |
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Version : 2.0 |
Major Update
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| OS
Win95 , Win98 , WinME , WinNT 4.x , Windows2000 , WinXP
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Nonlinear regression (curve fitting) DLL
This program is a COM component (in-process ActiveX DLL) which allows you to add a powerful nonlinear regression (curve fitting) engine to your software with just a few simple lines of code. This program is developed using COM, so it can be used in any environment that supports POSSUINDO, including Microsoft Visual Fundamental, Microsoft Visual C, Delphi and VBA (Microsoft Stand out, Microsoft Access or any VBA enabled client). A DataCollection object provides methods and procedures for importing and gathering data, mainly because well as providing statistical summaries for the data. The NonlinearRegression and MultipleNonlinearRegression objects provide methods and procedures for defining regression models with up to 100 fitting parameters and performing nonlinear regression on data containing up to 50 independent variables. The CubicSpline object performs cubic spline interpolation on 2-dimensional data. These objects provide qualities and methods that return results for the fitting parameters, as well because detailed statistical summaries of the regression results. Arrays of predicted values and residuals are automatically produced, but you can also predict values on a point by point foundation (Y at a value of X), or create arrays of predicted values centered on data arrays you supply. These objects also include methods to perform derivative and multiple root calculations (X values at a specified value of Y). Presently there are more than 600 pre-defined models, but you can easily define your own by passing a string representation of a design to one of the model creation methods. You can also create event-based regression models, which allows the client code to supply the function evaluations and optionally the derivative calculations through raised events. Presently there are ten objects with 232 methods, procedures and events. You can process the regression results in the client code, or export regression results in DataFit native file format. A This program developer license includes royals free run-time distribution.
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Requirements :
16 Meg RAM
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