The Hausman test evaluates the potential endogeneity of a regressor by examining an artificial regression that includes the residuals from a first-stage regression of the endogenous variable on the ...

SOMERVILLE, Mass.--(BUSINESS WIRE)--SmartBear, a leading provider of software development and visibility tools, has integrated VisualTest, its AI-driven automated regression visual testing tool ...

Matrix-covariate is now frequently encountered in many biomedical researches. It is common to fit conventional statistical models by vectorizing matrix-covariate. This strategy results in a large ...