How to analyse subgroups effectively using data visualisation

Subgroup analyses in combination with data visualisation is one of the hottest topics I can think about. And it hits us as statisticians during our careers again and again.

We need to understand subgroups for efficacy reasons and safety reasons and it's a common question in terms of how consistent your drug works across the different subgroups. It gets even more complicated if you want to review it across multiple studies.