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 ...

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 ...

This is a preview. Log in through your library . Abstract Count data often show a higher incidence of zero counts than would be expected if the data were Poisson distributed. Zero-inflated Poisson ...