Interactive maps can be a compelling and intuitive way to display geographic variation in your data. But presenting data visually means making choices.

In long-term care, spending or demographic information is often reported at the administrative level. In this blog post Sam Rickman (Care Policy and Evaluation Centre, LSE) sets out practical ways to make maps and cartograms using R and JavaScript, highlighting benefits and drawbacks of competing approaches.

Interactive maps and cartograms with R and Javascript, by Sam Rickman