Data visualisation (“dataviz” or more broadly, “infoviz”) appears to serve two main purposes. The first is to show data to people who are not analysts or experts. This is so that they can understand some or all of something that has already been identified in that data. The assumption here is that raw tables, or perhaps bunches of charts or diagrams, don’t easily reveal what’s going on. An example of this would be Tufte’s favourite graphic, which…
Tag: statistics
I was having a look today at this question posted on Quora: “What are the most unexpected things people have learned from A/B tests?“. The writer clearly expects answers on specific tests, but a couple of people have referred to the surprising behaviour of people who run or react to the tests themselves. I think it is notable that people conducting A/B or MVT very often don’t seem to understand what to do with the results they get. Results are of…
… mdja i guess they haven’t looked out of the window… it says ‘maybe’ when clearly the answer is ‘no’ Jonathan Well, in their defence it is about *future* weather, so maybe it’s about “maybe” at some (unspecified) future point? A bit like a stopped watch is always exactly right twice a day……