| Developer(s) | IDBS |
|---|---|
| Stable release | 4.3.2 / 2008 |
| Operating system | Windows |
| Type | Curve fitting, Data Analysis |
| License | Proprietary software |
| Website | XLfit Product Page |
XLfit is a Microsoft Excel-based plug-in which allows curve fitting and statistical analysis. XLfit generates 2D and 3D graphs and analyses data sets produced by any type of research. XLfit’s curve fitting engine allows linear and non-linear curve fits, smoothing, statistics, weighting and error bars.
XLfit includes over seventy linear and non-linear curve fitting models. Predefined categories include:
A range of statistical calculations can also be applied to the data from within the spreadsheet.
Example statistics include:
Available statistics models include Spearman's Rank Correlations, Student's T-Test, Mann Whitney U-Test, Sum of Squares, ANOVA, among others.
XLfit 4 was validated by The UK National Physical Laboratory[1] in 2004
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