We apply the White information matrix (IM) test to the linear regression model with autocorrelated errors. A special case of one component of the test is found to be identical to the Engle Lagrange ...

A Comprehensive Review and Matrix of 14 Usability Testing Tools In 2009 I wrote a popular article on 24 usability testing tools. Since that time, there has been tremendous growth in the quantity and ...

The information matrix can equivalently be determined via the expectation of the Hessian matrix or the expectation of the outer product of the score vector. The identity of these two matrices, however ...

Amkor Technology Inc. said it has developed a way to approach chip package testing by integrating it earlier in the package assembly flow. The Chandler, Ariz.-based test and assembly company (nasdaq: ...

This product how-to article shows how a Quintech RF matrix switching system can be used instead of traditional patch panel, splitters, and combiners to automate test beds for wireless testing. A test ...