Z-score is a standard measurement used in statistical analysis that looks at data with a normal distribution. It provides a standard unit of measurement for placing your data on a common scale. It ...

After previously detailing how to examine data files and how to identify and deal with missing data, Dr. James McCaffrey of Microsoft Research now uses a full code sample and step-by-step directions ...

We propose a procedure for the detection of multiple outliers in multivariate data. Let X be an n × p data matrix representing n observations on p variates. We first order the n observations, using an ...