The positive square root of the variance; a measure of dispersion in the same units as the original data.
The positive square root of the variance; a measure of dispersion in the same units as the original data.
The positive square root of the variance; a measure of dispersion in the same units as the original data.
status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|
repetition number in this series | 0 | memorised on | scheduled repetition | ||||
scheduled repetition interval | last repetition or drill |