Tags » Knowledge Discovery

The Barquin "Application Gallery"

This is a first pass at providing a sample of applications our teams have developed over the past few years:

http://gallery.barquinlab.com

Goodness-of-Fit Testing with SQL Server Part 4.2: The Hosmer–Lemeshow Test with Logistic Regression

By Steve Bolton

…………The last installment of this amateur series of self-tutorials was the beginning of a short detour into using SQL Server to perform goodness-of-fit testing on regression lines, rather than on probability distributions. 3,674 more words

SQL Server

Delving into a complex world: helping to keep pace

“The world has never been as complex, dynamic and uncertain as it is today and the pace of change will only increase.”

We hear this consistently, our continual problem is trying to make sense of it for ourselves, we know all around us seems to constantly increase in its complexity but how are we keeping pace or at least trying too? 1,691 more words

Molecules

Goodness-of-Fit Testing with SQL Server Part 4.1: R2, RMSE and Regression-Related Routines

By Steve Bolton

…………Throughout most of this series of amateur self-tutorials, the main topic has been and will continue to be in using SQL Server to perform goodness-of-testing on probability distributions. 4,527 more words

SQL Server

Goodness-of-Fit Testing with SQL Server, part 3.2: D’Agostino’s K-Squared Test

By Steve Bolton

…………In the last edition of this amateur series of self-tutorials on goodness-of-fit testing with SQL Server, we discussed the Jarque-Bera Test, a measure that unfortunately doesn’t scale well on datasets of the size that DBAs are accustomed to using. 3,144 more words

SQL Server

"But I don't have anything to hide"

This is the common response of many ordinary people when the discussion of (especially) government surveillance programs comes up. And they’re right, up to a point. 407 more words

Goodness-of-Fit Testing with SQL Server, part 3.1: Skewness, Kurtosis and the Jarque-Bera Test

By Steve Bolton

…………In the last installment of this series of amateur self-tutorials on using SQL Server to identify probability distributions, we saw how devices like probability plots can provide simple visual confirmation of a dataset’s shape. 2,656 more words

SQL Server