## Using the GitHub API to find open-source projects looking for contributions

19 March, 2022

– I often read that a great way to get better at programming is to contribute to open-source projects. The problem is, open-source projects that are looking for help aren't all that easy to find. To find some leads on such projects, we can use the GitHub API.

## Simple logistic regression with Python

18 February, 2021

– Logistic regression is used to predict a binary response. Let's see how to use Python to construct a logistic regression model that'll tell us which factors affected the passengers' chance of survival.

## Regression case study part two: New Zealand's greenhouse gas emissions

15 February, 2021

– In part two, we dive deeper into some aspects of regression modelling, including multiple regression and evaluating model fit.

## Regression case study part one: New Zealand's greenhouse gas emissions

31 January, 2021

– This is the first of two posts describing the development and evaluation of a regression model of NZ's greenhouse gas emissions.

## Statistical interactions between variables with Python

25 January, 2021

– A statistical interaction occurs when the effect of one variable is moderated by another variable. Here, we'll show how the relationship between a car's fuel efficiency and engine displacement changes with the number of cylinders.

## Simple Pearson correlation with Python

24 January, 2021

– The Pearson correlation coefficient measures the relationship between two continuous variables. We'll show how to obtain a Pearson correlation coefficient in Python.

## Simple chi-squared test with Python

21 January, 2021

– The chi-squared test is used to determine the statistical significance of a categorical explanatory variable's effect on a categorical response variable. We'll show to how to conduct a simple chi-squared test in Python.

## Simple ANOVA with Python

20 January, 2021

– In this quick tutorial, we describe how to conduct a simple ANOVA statistical test on the iris dataset with Python.

## Leaflet maps in Django with model-backed geoJSON data

2 December, 2020 (updated 9 April, 2021)

– We can create Leaflet maps with simple location data, using only the default Django models and a home-made geoJSON serialiser. Let's avoid bloated geographical libraries and see how lightweight we can get our maps to be.

## Setting environment variables for Django in Linux

22 September, 2020

– Setting environment variables for your Django web-application is pretty simple: here's how you do it.

## Behavioural psychology and Python: Part 1

24 February, 2020

– In The Undoing Project, Michael Lewis's excellent book about two groundbreaking behavioural psychologists, we get a glimpse at some of the mechanisms that drive our judgements and decisions. By coming up with interesting questions to pose to ...