Column and bar chart

I wanted to compare two sets of data on the same chart (in this case, post volume by day, and average engagement by day.) It doesn’t really make sense to have a clustered column chart (because it’s hard to read) and the column-and-line chart (simple to do in Excel, but that doesn’t make it right) […]

Log Scales


I’m learning at long last how changing scales can expose patterns. Today I’ve been looking at the Facebook Page of Marks & Spencer (a UK retailer.) Using a linear scale on the y-axis, we see how engagement has increased rapidly over recent months. That’s pretty much text book stuff for a well-run Page. But by […]