Evaluating and choosing visual representations: choropleth, proportional symbols, graphs and transects

What this note covers

1. Matching a representation to the data
2. Choropleth maps: strengths and limitations
3. Proportional symbol maps: strengths and limitations
4. Graphs and transects: showing trends, relationships and profiles
5. Worked example: choosing the right representation for a dataset
6. The 'suggest a different representation' trap
7. How this is examined and what separates a top response

7 sections · 12 key terms & formulas · 6 common mistakes