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Topics that build on FSRS: Spaced-Repetition Scheduling as Parameter Estimation
Once you have FSRS: Spaced-Repetition Scheduling as Parameter Estimation, these are the topics that cite it as a prerequisite. Pick by tier and the area you want to push into next.
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No published topics currently cite FSRS: Spaced-Repetition Scheduling as Parameter Estimation as a prerequisite. This may be a terminal topic in the graph, or other topics may not have declared the dependency yet.