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Will Charczuk 2016-07-14 12:41:56 -07:00 committed by GitHub
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@ -175,6 +175,14 @@ graph := chart.Chart{
graph.Render(chart.PNG, buffer)
```
# Moving Averages
You can now also graph a moving average of a series using a special `MovingAverageSeries` that takes an `InnerSeries` as it's required argument.
![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/images/goog_ltm_ma.png)
There is a helper method, `GetLastValue` on the `MovingAverageSeries` to aid in creating a last value annotation for the series.
# Design Philosophy
I wanted to make a charting library that used only native golang, that could be stood up on a server (i.e. it had built in fonts).