the [...] between two random variables is the probability-weighted average of the cross-products of each random variable’s deviation from its own expected value.
the [...] between two random variables is the probability-weighted average of the cross-products of each random variable’s deviation from its own expected value.
the [...] between two random variables is the probability-weighted average of the cross-products of each random variable’s deviation from its own expected value.
| 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 |