A survey of 172 open educational datasets from 204 papers across LAK, EDM, and AIED conferences reveals trends, 143 previously uncatalogued datasets, field gaps, and an 8-item PRACTICE checklist for better data publication.
Educational data mining and learning analytics: An updated survey [J]
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Letter-grade encoding of the same 75×68 math scores compresses trajectory distance structure ~19:1 and makes clustering identity highly sensitive to single-student perturbations.
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Open Datasets in Learning Analytics: Trends, Challenges, and Best PRACTICE
A survey of 172 open educational datasets from 204 papers across LAK, EDM, and AIED conferences reveals trends, 143 previously uncatalogued datasets, field gaps, and an 8-item PRACTICE checklist for better data publication.
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Grade Encoding and the Structural Representation of Student Academic Trajectories
Letter-grade encoding of the same 75×68 math scores compresses trajectory distance structure ~19:1 and makes clustering identity highly sensitive to single-student perturbations.