Thursday, 23, November, 2017
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On the EU referendum debate

On 23rd June, the British people will vote in a historic referendum on whether they want the UK to remain a part of the European Union (EU) or leave it. As the referendum approaches,...

Open source software for data scientists

If your organisation doesn't buy it for you, analytical software can be very expensive. One way to get around this is to use open source software. This post provides an overview of the benefits...

Correct interpretation of a p-value in a simple null-hypothesis t-test

One of the central tools used in statistical analysis is hypothesis testing using 'p-values'. For the purposes of this post, we are going to use a simple 't-test' of the difference in means between...

The problem(s) with public sector IT

This post discusses the frequently poor IT provision and projects which seem to dog the public sector. Some tentative explanations are offered as to why these failures might keep happening, and some suggestions are...

Basic considerations of probability sampling

This post provides a quick summary of some important things to consider when taking and studying a sample from a population. In order to provide reliable estimates (inferences) relating to the population, the sample...

Making ‘big-ish’ data smaller

This post describes five relatively simple approaches for reducing the size and complexity of data. Computer performance can quickly become an issue when working with large datasets, and so it's wise to have some...

The end of MS Excel and Access?

This post contains some of my thoughts on the way things are going in terms of the standard analytical software that most organisations use day-to-day - spreadsheets and simple databases. It describes how online...

New website in the pipeline

This new website is currently in development. As soon as possible, I will update all my previous posts, so they work properly, and start posting new comment pieces and adding much more information about...

Competitive sport puts off children

Considering the BBC news story on this today, one would think that this is a new finding. Unfortunately, it couldn't be further from the truth. Research going back before the 1990s has consistently found...
Children playing sport

Parental and school influences on children’s enjoyment of sport

My first working paper based on my PhD research has been published by the Centre for Longitudinal Studies (CLS) at the Institute of Education, University of London, in their peer-reviewed, working paper series. The...