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 ...

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 ...

Path analysis appears to be the best method in biological and agronomic studies to determine the major selection criteria. The objective of this study was to evaluate path coefficients both direct and ...