Control for confounding is crucial in causal observational studies. However, the modelling of continuous confounders has not received much attention. This is probably because in causal research the ...

What is the Friedman test? The Friedman test, also sometimes referred to as Friedman’s two-way analysis of variance by ranks, is a non-parametric statistical test used to investigate whether groups of ...

Keith Richardt heads up a consultancy called KStar Inc. in Atlanta that provides technology management services for independent insurance agents in the state. So when one of his customers recently ...

As is the case with any software, tools aimed at data center operation and management are directly dependent on the data used to describe both areas. The "old" rule of IT, "garbage in, garbage out," ...