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Fitting and Interpolation
| XYFIT |
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XYFIT 4.1 is an Excel add-in. There are many programs each with many options. These programs enable rapid calculation of each function and greatly flexible curve fit and provide: Fourier analysis and fitting in less than a second Least square fit of polynomial, logarithmic, exponential and 1/x functions in less than a second Statistical computation Real distributions with fits. And much more... Submitted: Sep 07, 1999
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| Best Fit |
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BestFit takes up to 30,000 data points or pairs and finds a distribution which best fits the data using Kolmogorov-Smirnov, Anderson-Darling & chi-squared tests. Export BestFit calculations directly to @Risk for Excel, Lotus 1-2-3 and Microsoft Project. Submitted: Oct 04, 1999
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| UNIVINT - Interpolating Add-in |
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This interpolating add-in contains a number of interpolating lookup functions (straight line, cubic splinning, exponentials and polynomial least squares fit etc.) that have a wide variety of uses, including to perform lookups on one or two dimensional volatility smiles and surfaces, forward commodity rates, forward FX points etc. The two dimensional lookup capability is especially useful for looking up swaption volatilities. Submitted: Sep 11, 1999
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| TriLookup Version 1.0 |
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TriLookup is Excel add-in, which includes eleven powerful 1D, 2D and 3D lookup and interpolation worksheet functions. Submitted: Apr 15, 2003
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| eXPFit Peak Fitting Add-In |
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eXPFit is a peak fitting utility running under Microsoft Excel. It has been specifically set-up for X-ray photoelectron spectroscopy (XPS) data, but could be used to fit other types of spectroscopic data. Submitted: Aug 18, 1999
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