Tag Archives: Data Visualisation

Data Visualisation: making it work

An Open Data Camp 7 session on data visualisation, led by Ian Makgill. These are live-blogged notes.

Drawnalism: data visualisation

There is a lot of temptation to use really exciting visualisations. But 90% of the time, you end up with bar or line charts – because they work. If you have more than 20 data points along the x axis, you probably want a line chart, not a bar chart.

 

 

 

Continue reading Data Visualisation: making it work

Maps, Maps, Maps: good maps, bad maps and accessible maps

What do you do if you find QGIS too easy (and like pain) – you start mapping in R.

But what do people in the room do with mapping, and what data sets do they use?

In Birmingham they used Edubase to plot previous ‘catchment’ areas for schools. Some schools do it from the centre of schools, some from the school gates. And some schools have more than one gate… Some were basing it on distance to the nearest train station. It was about creating boundaries, and then you could set up a tool based on postcodes to see if people are within the boundaries are not.

Continue reading Maps, Maps, Maps: good maps, bad maps and accessible maps

Turning LiDAR Data into Actionable Insight

default rendering of DSM in QGIS
Default rendering of DSM in QGIS on top of OS StreetView

My pitch to Open Data Camp 3 is to demonstrate my work with LiDAR data showing how it can be used to provide insights which can improve efficiency in a variety of business sectors. Continue reading Turning LiDAR Data into Actionable Insight