VictorTpo/group.count.md

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group.count.md

Tracking.all
> id: 1, label: button_1, page: page_1
> id: 2, label: button_1, page: page_1
> id: 3, label: button_2, page: page_2
> id: 4, label: button_1, page: page_2
> id: 5, label: button_1, page: page_2
> id: 6, label: button_2, page: page_1

Tracking.group(:label).count
> {button_1: 4, button_2: 2}

Tracking.group(:label, :page).count
>{
  [button_1, page_1] => 3,
  [button_1, page_2] => 1,
  [button_2, page_1] => 1,
  [button_2, page_2] => 1,
}