A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...

This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...

Discover how to calculate shareholders' equity to assess a company's financial health. Learn the formula, components, and ...

Abstract: In a paper by Willems et al., it was shown that persistently exciting data can be used to represent the input-output behavior of a linear system. Based on this fundamental result, we derive ...

Abstract: Under sampling is a popular technique for unbalanced datasets to reduce the skew in class distributions. However, it is well-known that under sampling one class modifies the priors of the ...

where $l$ and $u$ are the lower and upper probability bounds, while $\phi$ and $\psi$ denote propositional logic formulas. For example the following two sentences ...