I need to draw trend-line on simple line graph in c3js but i can't seem to find a built-in way to do that? If that's not possible, how do i calculate trend-line (linear regression) data to display on the chart?
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What is 'trend-line'? How does it supposed to look like? What data do you have? You should explain what you want more precisely for us to help – Vlad Zhukov Jan 30 '16 at 19:41
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I know of that term from Excel, but i think it's proper name is Linear Regression. I'll update my question. Thanks. – Goran Radulovic Jan 30 '16 at 19:52
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There isn't a built-in solution (yet), but I'll put in my two cents in case someone can create something for c3.js specifically.
You may have to calculate the start/end points using one of these methods:
- How do I calculate a trendline for a graph?
- https://math.stackexchange.com/questions/204020/what-is-the-equation-used-to-calculate-a-linear-trendline/204021#204021
There are also D3.js solutions here:
