Often the questions we ask require us to make accurate predictions on how one factor affects an outcome. If a teacher is asked to work out how time spent writing an essay affects essay grades, it’s ...

Successful investing requires the ability to distinguish long-term trends from the short-term noise that moves stock prices on a minute-to-minute basis. One way to tune out the random oscillations and ...

Calculating staffing needs is part of human resource planning, the process of analyzing and identifying staffing gaps and surpluses. Various formulas are used to estimate and predict staffing needs, ...

Regression models predict outcomes like housing prices from various inputs. Machine learning enhances regression by analyzing large, complex datasets. Different regression types address varied data ...

Quick take: At the end of March the S&P 500 index price was 56% above its long-term trend, up from 53% above trend the previous month (a downward adjustment from 54%). About the only certainty in the ...