Add a button to every row of the heat map. If the user clicks the button, the trend report of the heat map grouping (e.g. coach) opens.
- The trend report shows from top to bottom the questions.
- The trend report shows from left to right the temporal grouping.
- In the cells of the trend report is the trend (up, equal, down) of the average visualized.
- The themporal groupings: year, half year, quarter, month.