THE SENSITIVITY TOOLKIT


Update 09/20/2010: New version corrects crashes due to a missing reference.

There have been reports of the Toolkit not working on machines with version of Excel that have been recently updated. It appears that the location of one of the libraries that the Toolkit referenced has changed, which in turn is causing the Toolkit to crash. This updated version has removed the missing reference and has worked on the all of the machines that we have tested.

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The Sensitivity Toolkit was created to bring the most powerful tools of sensitivity analysis to the spreadsheet. The Toolkit supports four different forms of sensitivity analysis:

Data Sensitivity creates a table and chart to show how an output cell varies with changes in one (or two) inputs. In Tornado Chart, a set of parameters is varied from low to high and the results for a single output cell are reported. Solver Sensitivity runs the optimization program Solver on a spreadsheet for a set of values for one (or two) parameters. Similarly, Crystal Ball Sensitivity runs the simulation program Crystal Ball on a spreadsheet for a set of values for one (or two) parameters.

 
tornado

For details and examples of how to use the Sensitivity Toolkit for modeling with Excel, visit the web site for the book:

Management Science: The Art of Modeling with Spreadsheets, Excel 2007 Update

The book is now available from Wiley in hardcover.