Latest Posts

The Gamma Function

The Gamma Function

The gamma function appears frequently in a range of areas. It allows the computation of the factorial for numbers that are not integers. »

Least Squares - What is Weighted Regression?

Least Squares - What is Weighted Regression?

The least squares estimate for the slope in linear regression is often referred to as a weighted average. This post explores the precise meaning of the term weighted in the context of linear regression. »

Least Squares - How to find the Slope and Intercept

Least Squares - How to find the Slope and Intercept

Linear regression involves fitting a straight line to some data. Straight lines need a slope and an intercept and this Post explains how to compute them and in the process find the maximum likelihood estimate of the slope. »

Understanding Quantile Plots

Understanding Quantile Plots

This posts examines the rationale and implementation details of constructing the quantile plots used to compare CDFs. »

Powers and Roots of Complex Numbers

Powers and Roots of Complex Numbers

In this post I'll be taking a look at a really nice way of quickly computing integer powers and roots of complex numbers with examples in Maxima. »