Video: Dab tsi yog qhov qhab nia f1 zoo rau tus qauv?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov F 1 qhab nias yog lub harmonic txhais tau tias ntawm precision thiab recall, qhov twg ib F 1 qhab nias mus txog nws zoo tshaj plaws tus nqi ntawm 1 (zoo meej precision thiab rov qab) thiab phem tshaj ntawm 0.
Tsis tas li ntawd, tus nqi zoo rau f1 qhab nia yog dab tsi?
Ib qho kev ntsuas uas txiav txim siab qhov tseeb thiab rov qab los suav cov qhab nias . Cov F1 qhab tuaj yeem txhais raws li qhov hnyav nruab nrab ntawm qhov tseeb thiab rov qab tus nqi ,wo ib F1 qhab mus txog qhov zoo tshaj plaws tus nqi ntawm 1 thiab phem tshaj tus nqi ntawm 0.
qhov qhab nia f1 qis txhais li cas? Ib F1 qhab mus txog qhov zoo tshaj plaws tus nqi ntawm 1 thiab tus nqi phem tshaj ntawm 0. A qis F1 qhab nia yog ib qho kev qhia ntawm ob qho tib si tsis zoo precision thiab tsis zoo rov qab.
Kuj tseem paub, qhov qhab nia f zoo yog dab tsi?
Cov F tau qhab nia mus txog qhov zoo tshaj plaws tus nqi, lub ntsiab lus zoo meej precision thiab rov qab, ntawm tus nqi ntawm 1. Qhov phem tshaj plaws F tau qhab nia , uas txhais tau tias qis tshaj precision thiab qis tshaj rov qab, yuav yog tus nqi ntawm 0.
Dab tsi yog qhov kev faib tawm kom raug zoo?
Kuv tau txais cov raug tus nqi ntawm ib ncig ntawm 70% thiab qhov tseeb tus nqi ntawm ib ncig ntawm 85% Puas yog kev faib zoo ntau.
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