Parameter Solver

This application will solve for the distribution parameters of a random variable given either two quantiles or the mean and variance. The supported distribution families are

• Beta
• Gamma
• Inverse Gamma
• Log normal
• Normal
• Weibull

This software is included as a utility inside Inequality Calculator, Adaptive Randomization, and Multc Lean.

What's New in Version 3.2

• Now uses the Microsoft .NET Framework 4.8.1

Requirements

• Windows 11
  (other Windows versions may be compatible but this has not been tested)
• Administrative permissions may be required to install Parameter Solver depending on the chosen installation location.
• The following packages will be installed if they are not present:
  • Microsoft .NET Framework 4.8.1
  • Microsoft Visual C++ 14 x86 Redistributable
• To view the the Parameter Solver user's guide a PDF file viewer (not included with the software) such as Adobe Reader (available for free here) must be installed.
• To follow the "Send feed back via email" link in the Help -> About window, an email client such as Microsoft Outlook (not included with the software) must be installed.

For more information, see the Parameter Solver user's guide included with the download distribution.

The user interface was developed using C# and the Microsoft .NET Framework 4.8.1.

John Cook implemented the numerical algorithms using Visual C++.