Category Archives: Model Techniques

Conditionnal Format Controls – Part Deux

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In this post, I'll show you how I like to use Conditional Formatting in my Excel models to add a disabled look to some cells based on a criteria. With this technique, you will get clear visual indications that will simplify inputs and help you avoid errors.

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Conditional Formats Control – The Warm-Up

Conditional formats is a wonderful feature that incrementally adds format to a cell based on some criterias. You could use it to highlight cells by adding a color fill, changing borders or modifying any other format element. In it’s basic form, you can use it with a simple condition depending on the cell value. However, a [...]
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Powerful Sensitivity Tables

In my previous post, I showed you how to do sensitivity analysis with Excel’s data tables. However the functionality allow us to do sensitivity on 2 variables only. Today I’m following up with a way to overcome this limitation. As an example, an investment might be sensitive to many variables (e.g. lauch dates, set-up costs, marginal [...]
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Discovering Sensitivity Tables

Excel has a built-in functionality for sensitivity analysis, hidden under the unclear name of “Data tables” (“tables” in Excel 97-2003). Two options are available in using these “Data tables”: Evaluate the impact of one variable on one or more resulting elements (with 2 possible layouts) Evaluate the impact of two variable on one resulting elements In my next post, [...]
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Seven tips to develop a structured model

Create A Modular Design For Your Model Don’t put everything on a single worksheet. Separate your model’s components on multiple worksheets, i.e. Revenues, COGS, Other Costs, Financing, Amortization etc… Keep Your Sheet Names As Short As Possible It will help keep formulas legible and you’ll see more sheet tabs at once which will help browse within the workbook. [...]
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Using Data Validation – The Trigger Technique

If you don’t know about data validation yet, I suggest you read the following document before getting familiar with this method. http://www.contextures.com/xlDataVal01.html Data validation is certainly one of the best tools to perform what-if analysis, along with sensitivity tables. There many types of sensitivity analysis that can be performed with data validation. These can be used alone [...]
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