JFreeChart with Groovy and Apache POIThe point of this article is to show you how to parse data from an Excel spreadsheet that looks like this: [singlepic id=78 w=700 h=400 mode=watermark] and turn it into a series of graphs that look like this: [singlepic id=79 w=700 h=400 mode=watermark] Recently I was looking for an opportunity to get some practice with JFreeChart and ended up looking at a dataset released by the Canadian governme
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