LambdaTest, a cloud-based software testing platform, has raised $38 million in a Series D funding round as it looks to expand its presence in existing markets and improve its AI capabilities. The ...

Collaboration combines LambdaTest’s AI-native test automation with Lab49’s advanced domain expertise in capital markets to accelerate software delivery for financial institutions. SAN ...

This is a preview. Log in through your library . Abstract We first construct a new generalized Hausman test for detecting the structural change in a multiplicative form of covariance matrix time ...

In multivariate analysis, the covariance matrix associated with a set of variables of interest (namely response variables) commonly contains valuable information about the dataset. When the dimension ...