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Same data as area chart, attempted to sort categories by age while keeping related technologies grouped: http://cl.ly/image/1U400y1l2t3r http://cl.ly/image/1U4

• damian2000 13y ago
  Thanks, that's awesome. I will put a link on the post if that's ok.
  • sdfjkl 13y ago
    Sure!
• bicx 13y ago
  This is probably something I should already know, but how do you read a chart like this?
  • sdfjkl 13y ago
    Think of it as a number of streams[1] running in parallel. The wider the stream, the more important the associated tag. Since the actual values are scaled to add up to 100%, comparing between relative importance is all they're good for. There's also aa absolute version of this, which is a simple stacked area chart. It's not so useful here, because the relative popularity of tags is much more interesting than the absolute numbers, which are largely a function of StackOverflow getting more users in total. See for yourself: http://cl.ly/image/101e1y1q3i19 http://cl.ly/image/101e1y1q3i19 [1] There's also a thing called a "stream graph", which is related but not the same: http://en.wikipedia.org/wiki/Streamgraph http://en.wikipedia.org/wiki/Streamgraph
  • michaeltoth 13y ago
    This chart plots the "share" of each question on the site, so the total is always 100%. If you read the chart from left to right you will see that the languages whose share increases become wider while those whose share decreases become narrower. It can be a bit difficult to read with this many options.