Use Power Query to Create a Dynamic Calendar Table

When you're creating relationships between tables that have dates, it often useful to have a separate calendar table that references all the dates for the year or years that you need. It'll also be nice if it has extra fields or columns that give just the year, month or day name. You can often do this manually in Excel with a few functions, but if you wanted to make it auto-magically update based on your given start and end date, Power Query makes it much easier to do once you set it up.

Perform Quick Pareto Analysis in Excel

A Pareto analysis tries to find out what variable are responsible for the bulk of the outcomes. It's referred to as a Pareto Principle or the 80/20 rule. The concept can be expressed with the saying that 80 percent of the wealth is owned or created by 20 percent of the population. Though in real life data may not fit tightly in the 20 percent, the idea of Pareto is that a small number of variables have a disproportionate ownership or cause of an outcome. This video show how to quickly find out from your data what variables are responsible for the "80%" in your data using Excel.

How to Calculate Margin of Error in Excel

Ever see those polling results where it says "the average number of people think this with a margin of error of..." or " the percentage of people that think the president is doing a good job is this with a margin of error...."? This margin of error calculation is based on samples and some common statistical formulas....which you can do in Excel. Learn how...