Chart Your Rate of Change to Reveal Hidden Business Performance
What insights can you gain from the following Excel chart of Apple's quarterly revenues over the past 18 years?
I see three things. First, their...
How to Create Monte Carlo Models and Forecasts Using Excel Data Tables
(Download the workbook.)
(This is the second of two articles about normal distributions. The first article is, How to Return Random Numbers from a Normal...
A Volatile Workbook to Test Calculation Times for Excel Lookup Methods
In Use Excel VBA to Test Report Calculation Times I described a macro that finds the total time necessary to calculate Excel for a specified number...
The Two Functions You MUST Know to Return Values from Excel Tables
“Export to Excel is the 3rd most common button in BI apps…after OK and Cancel.”
—Rob Collie, one of the founding engineers behind PowerPivot at...
Weekly Dashboard Reporting with Excel
"I work for a small (private) company whose owners have requested WEEKLY dashboards on various aspects of the business. Do you have a sample...
Excel Charts, Seasonality, & Analysis: Five Lessons from the WSJ
A 2009 article in the Wall Street Journal offered some great advice for Excel users in business. The article, New Light on the Plight of...
How Fast Is Too Fast?
(Originally published in Inc Magazine.)
What typically tops the list of worries of the chief executive officers of fast growing companies? Financing that growth, according...
How to Create Even-Payment and Straight-Line Amortization Tables in Excel
When you borrow money for a fixed period with periodic payments, you could have two types of loans: even-payment or straight-line.
Microsoft recognizes those loan...
How to Reproduce Your Excel Work Across Many Categories, Part 2 of 3
As I explained in Part 1 of this series, Excel users often need to apply many instances of data to one model or forecast, list...
How to Smooth Data by Using the TREND Function
Years ago, I read that Prof. William S. Cleveland had suggested that data could be smoothed by calculating a centered trendline through adjacent data—a...

























