Yog li, nws yuav tsum tsis txhob ua qhov txawv txawm tias koj sib hloovlossis tsis yog qhov kev xeem lossis cov ntaub ntawv siv tau (tshwj tsis yog koj suav qee qhov ntsuas uas nyob ntawm qhov kev txiav txim ntawm cov qauv), muab hais tias koj yuav tsis suav tej gradient, tab sis tsuas yog poob los yog ib co metric / ntsuas zoo li qhov raug, uas tsis rhiab rau qhov kev txiav txim …
Vim li cas cov ntaub ntawv yuav tsum tau hloov thaum siv hla kev lees paub?
it pab kev cob qhia nrawm . nws tiv thaiv kev tsis ncaj ncees thaum lub sijhawm cob qhia. nws tiv thaiv tus qauv los ntawm kev kawm qhov kev txiav txim ntawm kev cob qhia.
Kuv puas tuaj yeem hloov kho qhov tseeb?
Ib tus qauv yog thawj zaug kawm ntawm A thiab B ua ke raws li cov txheej txheem kev cob qhia, thiab ntsuas ntawm qhov siv tau C. … Hla-validation tsuas yog ua haujlwm tib yam nkaus xwb uas koj tuaj yeem random shuffle koj cov ntaub ntawv los xaiv cov txheej txheem validation.
Cov ntaub ntawv shuffling siv rau dab tsi?
Data shuffling. Cias muab, shuffling cov tswv yim aim sib xyaw cov ntaub ntawv thiab tuaj yeem xaiv khaws cov kev sib raug zoo ntawm txhua kab. Nws random shuffles cov ntaub ntawv los ntawm ib tug dataset nyob rau hauv ib tug cwj pwm (xws li ib kem nyob rau hauv ib tug ntshiab tiaj hom) los yog ib tug txheej txheem (piv txwv li ib pawg kab).
Puas xaj cov ntaub ntawv tseem ceeb hauv kev kawm tshuab?
Puas yog qhov kev txiav txim ntawm cov ntaub ntawv qhia kev tseem ceeb thaum kev cob qhia neural networks? - Quora. Nws yog ib qho tseem ceeb heev rau shuffle cov ntaub ntawv kev cob qhia, yog li koj tsis tau txais tag nrho cov minibatches ntawm cov piv txwv zoo sib xws. Nyob li cascov ntaub ntawv tau raug shuffled, txhua yam yuav tsum ua haujlwm OK.
