Statistics for detecting outliers generally suffer from masking when multiple outliers are present. One aspect of this masking is inflation by the outliers of estimates of scale. This shrinks test ...
The DD plot is a plot of classical vs. robust Mahalanobis distances: MD i vs. RD i. The DD plot can be used as a diagnostic for multivariate normality and elliptical symmetry, and to assess the ...
Business forecasting is essential for the survival for companies of all sizes. The building block used by forecasters is historical data or the past performance of the business to predict future ...
Have you ever found yourself staring at a spreadsheet, trying to make sense of all those numbers? Many face the challenge of transforming raw data into actionable insights, especially when it comes to ...