The major improvement in version 5.0 is the support for 15 new probability distributions, adding up to a total of 57 different models, and making EasyFit the most feature-rich distribution fitting software available on the market. Below is the list of new distributions (some of them have alternative names indicated in parentheses):
EasyFitXL (distribution fitting add-in for Excel, a part of EasyFit) now provides new worksheet functions allowing to fit distributions to data and apply the resulting models to perform specific calculations — all without using the visual distribution fitting capability.
The VBA API has been updated to support the new probability distributions. A number of functions for calculating the mode, skewness and kurtosis of most distributions have also been added.
Starting from version 5.0, the built-in distribution viewer tool ("StatAssist") can also be used independently of EasyFit — you can launch it right from your desktop as a separate application.
EasyFitXL is an Excel add-in allowing to use most of the features available in EasyFit right in Excel. EasyFitXL is shipped with EasyFit (the stand-alone application), and doesn't need to be purchased separately. If you have Excel installed on your computer, the EasyFit setup program will automatically install and configure EasyFitXL.
EasyFitXL integrates into the main menu of Excel, allowing you to analyze your worksheet data, generate random numbers, and use StatAssist (the integrated distribution viewer) without the need to leave Excel.
EasyFitXL provides about 300 new functions which can be used in your worksheets and Visual Basic for Applications programs, enabling you to perform advanced probability calculations such as Monte Carlo simulation.
The worksheet and VBA functions include PDF, CDF, hazard function, inverse CDF (quantile function), mean, variance, standard deviation, and random number generation for most distributions available in EasyFit.
The supported Excel versions are 2000, 2002 (XP), 2003, and 2007.
The new version of EasyFit introduces the following features:
EasyFit now uses the "2-sided" version of the Kolmogorov-Smirnov test, and the more accurate K-S critical values table.
If you have any feature suggestions or ideas on how to make EasyFit better serve your needs, or would like to provide a testimonial or case study, please let us know.