Statistics often gets a bad rap in mathematics circles for being less than concrete at best, and being downright misleading at worst. While these sentiments might ring true for things like political ...

Multiple regression equations designed to explain or predict should be validated. This tutorial shows how recalculation of the coefficient of determination on hold-out sample data or new sample data ...

Understand and code the R² metric (goodness of fit) in C++. A must-know concept for evaluating regression models.

Leibniz-Institut für Verbundwerkstoffe (IVW) has been active in the research field of fibre composites for more than 30 years, from the concept to the finished part. During this time, it has also been ...

Current often is derived from the voltage drop measured across a shunt of known value. However, as the paper states, “It is common practice for current shunts to be calibrated at a single current ...