i have created the simple bar chart with the library at https://github.com/danielgindi/ios-charts still can\'t figure out how to make this a grouped bar chart. I\'ve added t
You haven't actually done anything with unitsBought.
For a bar chart you can do two things:
unitsBoughtBarCharDataEntry(values: [Double], xIndex: Int) or BarCharDataEntry(values: [Double], xIndex: Int, label: String) to pass multiple values per entry, which makes it stacked.