The Standard Deviation is the basic metric to measure volatility. However, the Standard Deviation is an absolute measurement, not a relative measurement. To compare the volatility of two or more data ...

State-equalization effort: Education Week changed the way we graded the states on equity this year, based on the advice of the Quality Counts 2005 advisory board. We decided to focus our efforts in ...

Nonparametric varying-coefficient models are commonly used for analyzing data measured repeatedly over time, including longitudinal and functional response data. Although many procedures have been ...