I wish I could track my statistics as calendar or timeline e.g. when I was running exercises.
Now I can find in deck list some statistics: Avg Laps, Learned, Tasks, Last Tested. Also there are some stats associated to cards.
Some graphical visualization based on time it would allow person to track how much he/she "invested" time in the past. Some crude example:

I wish I could track my statistics as calendar or timeline e.g. when I was running exercises.
Now I can find in deck list some statistics: Avg Laps, Learned, Tasks, Last Tested. Also there are some stats associated to cards.
Some graphical visualization based on time it would allow person to track how much he/she "invested" time in the past. Some crude example: