He contributes to Excel and Algorithmic ... When we calculate a variance, we are asking, given the relationship of all these data points, how much distance do we expect on the next data point?

Calculating Beta in Excel . It may seem redundant to calculate beta because it’s a widely used and publicly available metric. But there’s one reason to do it manually: the fact that different ...

How to Do Time Intervals in Excel. When calculating time intervals in Excel, you are looking for the time that has passed between two given sets of time. ... Without this code, ...