Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Aim: Many broad-scale ecological inventory and monitoring efforts collect multi-species (or otherwise multivariate) data under unstructured study designs. Unstructured designs are vulnerable to ...

Monte Carlo importance sampling for evaluating numerical integration is discussed. We consider a parametric family of sampling distributions and propose the use of the sampling distribution estimated ...

The importance of ensuring that the correct slurry sampling design is used for the gold sector cannot be overstated. This is according to Multotec product specialist for sampling Rolf Steinhaus who, ...