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Comment by apt-apt-apt-apt

4 hours ago

Does using FSRS result in less retention, due to scheduling less reviews than other systems? Or is it actually more efficient in a meaningful way by cutting out unnecessary reviews?

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apt-apt-apt-apt

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jdahlin  1 hour ago

The goal of the scheduling algorithm is to predict the optimal time for when you need to review your card again. FSRS has a bunch of parameters tja you can customize based on previous learning attempts, usually a few 100 cards is enough to adapt to your own learning abilities, but in current Anki versions you need to manually update the parameters to optimize your learning.