Can the Line chart make trend line / best fit lines? - Official support forum

joseph · 2024-12-23T11:04:28+00:00

can rgraph make line charts with best-fit lines? thx

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RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 17 years old) and has a wealth of features making it an ideal choice to use for showing charts on your website.

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Get the latest version of RGraph (version 6.20, 1st December 2024) from the download page. You can read the changelog here. There's also older versions available, minified files and links to cdnjs.com hosted libraries.

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RGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£129) commercial license available.

Yes - the canvas Line and Scatter charts and the SVG Line and Scatter charts can all have trend lines added to them.

By combining the Bar chart with Line chart, the Bar chart can have a trend line too. Here's some links into the documentation:

https://www.rgraph.net/canvas/line.html#trendline-properties
https://www.rgraph.net/canvas/scatter.html#trendline-properties
https://www.rgraph.net/svg/line.html#trendline-properties
https://www.rgraph.net/svg/scatter.html#trendline-properties

And there are demos (which have the word "trendline" in their names) of these in the download archive:

https://www.rgraph.net/download.html#stable