[data] store categorical features using smallest amount of bits - Githubissues

accosmin-org / libnano

C++ numerical optimization and machine learning utilities using Eigen3

MIT License

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[data] store categorical features using smallest amount of bits #74

Open accosmin opened 1 year ago

accosmin commented 1 year ago

single-label features stored using log2(#labels) bits
multi-label features stored using #labels bits