Offtopic: Yes, it might be better. I don't know for sure. I don't think it is easy to implement, though. Besides visual grouping, the other main reason for me to group is that the chart-statistics-tooltip becomes too big to fit on the screen.
Offtopic: Yes, it might be better. I don't know for sure. I don't think it is easy to implement, though. Besides visual grouping, the other main reason for me to group is that the chart-statistic s-tooltip becomes too big to fit on the screen.