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FusionCharts > 4. Enabling Drill-down on Charts

Chapter 4. Enabling Drill-down on Charts

Harry is feeling web-savvy and is curious about his website's performance. Today, he wants to review how his online revenues have been growing over the last five years, and, we have been asked to visualize and provide this data in the form of a chart. We can build this chart in two ways.

In the first approach, we can plot a single chart with 60 columns — one column per month for those five years. While this chart lets Harry compare the growth of online revenue month-over-month, it is hard to figure the growth in yearly revenues, as Harry can only see monthly figures and will have to sum up the annual figures mentally — not a mean feat. And doesn't that beat the whole purpose of having a chart in the first place?


  

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