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 ...

In statistics and financial analysis, a Z score measures how normal any given data point is compared to the average value of the data. Finding Z scores, or standard scores, is relevant to many ...

Most conventional quantitative methods from forecasting to optimization suffer from the existence of large outliers in the data. There are many responses to remedy this problem, from using ...