Resources

Data Visualisation

ONS style guide on data visualisation - Starting point for principles behind data visualisation.
Visual Vocabulary - Guide to what chart you should use depending on the relationship you want to show.
Ordinance Survey Geo Data Viz Toolkit - a set of assets and resources.
Data to Viz Caveats - Common mistakes and how to avoid them, good practice.
Quartz Guide to Bad Data - An exhaustive reference to problems seen in real-world data along with suggestions on how to resolve them.
Lena Groeger’s big list of resources - a big list.
DWP Data Vis Training
IBCS Institute Data Visualisation Guide - Comprehensive (150 pages) with lots of examples (197 figures)and advice on designing clear, concise, and actionable reports and dashboards.

Tools you can use to drag and drop, or copy and paste your data to sketch it out.

Blockbuilder - Online tool to do coding in the browser and save to gists.
Time Formats example This little tool helps you try out d3.format specifiers on different numbers. -

Your Friendly Guide to Colors in Data Visualisation - A good intro post by @lisacrost about colour
What to consider when visualising data for colourblind readers
Viz palette - a tool for testing out your palettes
Chroma.js Color Scale Helper - Tool to create gradients of colours
i want hue - Tool to automatically select colours as distinct as possible in a given colour range
Finding the Right Color Palettes for Data Visualizations - Article on choosing colours for a visualisation
Colorgorical - Another great tool for generating distinctive colours.

Mapshaper - Previews shapefiles, geojson and topojson files
Open Geography Portal - Find boundaries for different geographies e.g. local authorities, counties, countries, regions, constituencies, MSOA, LSOA and more.

Michelle Borkin et al.’s paper about what makes a visualisation memorable.
Jeffrey Heer, George Robertson on how to order transitions/animations to make things understandable.