New AI capabilities within TestComplete enable teams to automate visual regression testing without writing automation scripts, simplifying workflows ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 29, No. 2 (1980), pp. 142-148 (7 pages) A test of the stability over time of the coefficients of a linear regression model ...

Contrary to a recent claim, the inclusion of a product term in a multiple regression is a legitimate way to test for interaction. The unstandardized coefficient and the t-test for the product term are ...