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Archives: March 2016

Goodness-of-Fit Testing with SQL Server Part 7.1: The Kolmogorov-Smirnov and Kuiper’s Tests

By Steve Bolton

…………“The names statisticians use for non-parametric analyses are misnomers too, in my opinion: Kruskal-Wallis tests and Kolmogorov-Smirnov statistics, for example. Good grief! These analyses are simple applications of parametric modeling that belie their intimidating exotic names.”[i]
                Apparently even experts like Will G. Hopkins, the author of… Read more

1 comments, 1,837 reads

Posted in Multidimensional Mayhem on 24 March 2016

Goodness-of-Fit Testing with SQL Server Part 6.2: The Ryan-Joiner Test

By Steve Bolton

…………In the last installment of this amateur series of self-tutorials, we saw how the Shapiro-Wilk Test might probably prove less useful to SQL Server users, despite the fact that it is one of the most popular goodness-of-fit tests among statisticians and researchers. Its impressive statistical power… Read more

3 comments, 518 reads

Posted in Multidimensional Mayhem on 12 March 2016