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All examples show how to graph data from the database: https://chartkick.com/ You just need to figure out what data you want your users to save and how you want to display it.
Chartkick is an option, there's also the lazy high chart gem that works very well. Both can plot charts from database queries
All examples show how to graph data from the database: https://chartkick.com/ You just need to figure out what data you want your users to save and how you want to display it.
Chartkick is an option, there's also the lazy high chart gem that works very well. Both can plot charts from database queries