Tableau software is now free for eligible non-profit organisations and educators

Heart-warming news for non-profits who want to save the world via data analysis from Tableau via PRNewsWire: Tableau Foundation, part of Tableau Software's (NYSE: DATA) corporate social responsibility (CSR) program, announced today that it will offer free licenses of Tableau Desktop to nonprofit organizations Qualification criteria is currently listed by Tableau as follows: Be registered as a 501(c)(3) organization … Continue reading Tableau software is now free for eligible non-profit organisations and educators →

How to map geographies in Tableau that are not built in to the product (e.g. UK postcodes, sales areas)

Tableau has a nice ability to create point ("symbol") or polygon ("filled") maps to visualise spatial data on. However, in order to do this, it of course needs to understand where each point you wish to plot is in the real world. Several of the most common geographic identifiers are built in, such as country, … Continue reading How to map geographies in Tableau that are not built in to the product (e.g. UK postcodes, sales areas) →

Are station toilets profitable?

After being charged 50p for the convenience of using a station convenience, I became curious as to whether the owners were making much money on this most annoying expression of a capitalistic monopoly high on the needs of many humans. It turns out data on those managed by Network Rail is available in the name … Continue reading Are station toilets profitable? →

Microsoft Academic Graph: paper, journals, authors and more

The Microsoft Academic Graph is a heterogeneous graph containing scientific publication records, citation relationships between those publications, as well as authors, institutions, journals and conference "venues" and fields of study. Microsoft have been good enough to structure and release a bunch of web-crawled data around scientific papers, journals, authors, URLs, keywords, references between and so on for … Continue reading Microsoft Academic Graph: paper, journals, authors and more →

Kruskal Wallis significance testing with Tableau and R

Whilst Tableau has an increasing number of advanced statistical functions - a case in point being the newish analytics pane from Tableau version 9 - it is not usually the easiest tool to use to calculate any semi-sophisticated function that hasn't yet been included. Various clever people have tried to work some magic aroud this, for instance by … Continue reading Kruskal Wallis significance testing with Tableau and R →

A first look at Alteryx 10’s Network Analysis tool

Alteryx version 10 was recently released, with all sorts of juicy new features in realms such as usability, data manipulation and statistical modelling. Perhaps one of the most interesting ones for me though is the new Network Analysis tool. This provides an easy way to make network graph visualisations natively, something that many general purpose … Continue reading A first look at Alteryx 10’s Network Analysis tool →

Using CBT techniques to combat my insomnia – what does the data show?

Please click through and view the story interactively below. If anyone is interested in the cognitive behavioral therapy techniques concerned, here's the book I was recommended ([UK Amazon link])...I get no commission :-).