## Introduction to Set Theory

This is an elementary introduction to set theory. It is design to give enough competency to work with sets in other types of math, such as statistics, that utilize set theory.

Introduction to Set Theory Read More »

This is an elementary introduction to set theory. It is design to give enough competency to work with sets in other types of math, such as statistics, that utilize set theory.

Introduction to Set Theory Read More »

If you are unfamiliar with variable changes READ THIS PROOF! In it I derive the F Distribution probability function from the Chi-squared distribution.

How to Derive the F Distribution Read More »

Learn the tools and tactics to stretch the functionality of SQL Server to the maximum and make parallel processing in TSQL a reality (even if you shouldn’t).

Tactics for Parallel Processing in TSQL Read More »

Object dependencies are an important part of a supportable SQL Server DB. Dynamic SQL can obfuscate dependencies and require dummy references to correct.

SQL Server Tip: Dynamic SQL Dummy References Read More »

In part 4 of my series on linear regression the right way you will learn an alternative method to judge model accuracy: the linear regression R squared formula.

Linear Regression R Squared Formula Read More »

This is a quick reference for the fundamentals of vectors and matrices. Their structure, properties, operations, etc. Learn how to matrix.

How to Matrix: A Simple Quick Reference Read More »

This post covers in detail the linear regression F test, the formulas for each component, how to derive them, and how to implement them in R.

Linear Regression F Test of Model Variance Read More »

Recently Bob Murphy discussed an apparent paradox in Riemann’s rearrangement theorem. In this post I discuss why that is a false paradox and how to resolve it.

Bob Murphy is Wrong About Conditionally Convergent Series Read More »

This simple yet detailed post shows how to derive the T distribution and also how this relates to the Z distribution and sample standard deviation.

How to Derive the T Distribution Read More »

In part 2 of this series on linear regression the right way you will learn how to perform, derive, and implement a regression T test for each coefficient.

Linear Regression T Test For Coefficients Read More »

Learn the linear regression formula THE RIGHT WAY! This post will show you the actual formula for estimating regression coefficients in its proper matrix form.

Linear Regression Formula For Coefficients – The RIGHT WAY Read More »