Data visualisation for decision-makers

Choose and design charts that make the main message obvious, and present data to decision-makers without misleading them.

Five navy and brass cylinders of increasing height standing in a row like a bar chart, beside a magnifying glass and a navy notebook on an oak desk

What you will be able to do

  • Choose the chart that suits the comparison being made
  • Remove clutter and highlight the message
  • Avoid scales and designs that mislead
  • Present data in a meeting or a report so that it is understood

Who it is for

  • Analysts and report writers
  • Communication officers who publish data
  • Managers who present figures

Prerequisites

  • None: exercises work with any charting tool

Program

Choosing the chart

  • Comparisons, trends, distributions and parts of a whole
  • Tables versus charts
  • When a single number is enough

Designing for clarity

  • Decluttering
  • Titles that state the finding
  • Colour used with intent, including for colour-blind readers

Honest charts

  • Axes, scales and baselines
  • Uncertainty and small numbers
  • Maps and their traps

Presenting

  • Building a short data story
  • Slides and reports for busy readers
  • Answering questions about the data

How we work

  • Before-and-after redesign of charts brought by participants
  • Short critique sessions
  • Each participant presents one chart to the group