Decay de poids et régulation L2
Weight decay pexem bu yomb la, am doole buy gëna xëcc poids model bi ci zero ci diiru tàggat yaram, diko tere yéem lool ci benn manndarga.
Résumé
Weight decay pexem bu yomb la, am doole buy gëna xëcc poids model bi ci zero ci diiru tàggat yaram, diko tere yéem lool ci benn manndarga. Dafay wàññi overfitting te nekkna benn ci regularizers yiñ gëna jëfandikoo ci jàng bu xóot.
Poids Decay ak L2 Regularisasioŋ ñu ngi toog ci jumtukaayi IA. Soo ko xamee, yeneen mbir ci IA dañuy gëna yomba jàngat ak méngale.
Plongeur bu xóot
Su benn model di tàggatoo, mën na tëye ci bruit bi ci done yi ci màgg, diisaay yu yaatu, yu méngoo bu baax ak tàggat yaram bi waaye du generalise bu baax. L2 regularisation dafay xeex loolu ci yokk penalti bu méngoo ak limu poids carré yi ci fonction perte bi. Optimizer bi leegi amna ñaari mébet: méngale done yi ak tëye poid yi, suko defee mu mëna tàmbali ci pexe yu gëna nooy, gëna dëgër. Weight decay mooy xalaat bi gëna jege di wàññi poids bu nekk ci fraction bu ndaw ci jéego bu nekk ci yeesal. Ak wàccinu gradient bu leer, ñaar ñi dañuy nuru ci wàllu math, waaye ak optimisatëri adaptif yu melni Adam dañu wuute, moo tax ñu dugal AdamW ngir dindi yàqu-yàqu ci yeesali gradient bi, def ko mu doxalee ci anam wu jaar yoon.
Gis-gis xarala
L2 regularisation dafay yokk lambda yoon limu poids carré yi ci perte bi, kon gradient bi dafay yokk terme bu méngoo ak poids bu nekk, diko yóbbu ci zero. Decouple poids decay lu moy loolu dafay yokk poid bu nekk ak facteur bu melni (1 dindi taux_learning yoon lambda) ci saasi. Ci anam yi ñuy méngoo, boole L2 ci ñàkk bi dafay tax eskaalu parametre bu nekk di soppi penalti bi, moo tax AdamW dafay jëfandikoo shrinkage bi ci boppam, defaraat pull uniform biñ bëggoon ci poid yu gëna ndaw.
xam poids decay ak L2 regularisasioŋ
Ngir tabax xam-xam bu xóot, jàppal Decay Weight ak L2 Regularization ni xeetu liggéey, du benn man-man. Mandargal njariñ yi nga bëgg, leeral li nga xalaat, ba noppi tàqale li sistem bi mëna def ci anam wu wóor ak liy laaj ba leegi àtteb kàngam.
Ci jëf, ekip yu am doole yiy jëfandikoo Weight Decay ak L2 Regularization dañuy njëkka tabax xeetu konseptioŋ yu dëgër, ba noppi ñu méngale xeetu liggéey yooyu ak jafe-jafe yi ci liggéey bi. Dañuy bind kritër yu leer ngir am ndam, natt leen ci done yu dëggu ak def liggéey, ba noppi ñu baamtu ci anamu ñàkka mëna seetlu, du ci benn yoon benchmark wins. Mooy barab bi xam-xam theorie bi di soppiku nekk kàttan buy yàgg ci produit yi, ci politik yi ak ci liggéey yi.
Daf lay jàppale nga tàqale kàddu yu leer ci wàllu xarala ak làkku fësal njaay. Ci jamano jooju, ekip yu wuute mën nañu jëfandikoo benn baat ci anam wu wuute, kon teela leeral yaatuwaayam. Xeetu jëf bi gëna dëgër mooy boole gaawaayu jàngat ak disipline nguur: doxal pilote, jàpp firnde, siiwal dogal yi, ak wéy di yeesal kaaraange gi ci anam wi ñuy doxalee, li jëfandikukat bi di xaar, ak sàrti sàrt yi di jëm kanam.
njeextalu pexe
Daf lay jàppale nga tàqale kàddu yu leer ci wàllu xarala ak làkku fësal njaay.
Daf lay jàppale nga tàqale kàddu yu leer ci wàllu xarala ak làkku fësal njaay. Ci jëfandikoo yu am kalite bu kawe, loolu dañu koy tekki ci sàrti liggéey yuñ mëna natt, ay peggu boroom, ak ay xew-xewu xoolaat yu bari suko defee ekip yi mëna yokk wóolu seen bopp ci barabu yokk lu jaxasoo.
Mën nga laaj laaj yu gëna baax ci samp gi balaa ngay dugal xaalis wala sa jotu liggéey.
Mën nga laaj laaj yu gëna baax ci samp gi balaa ngay dugal xaalis wala sa jotu liggéey. Ci jëfandikoo yu am kalite bu kawe, loolu dañu koy tekki ci sàrti liggéey yuñ mëna natt, ay peggu boroom, ak ay xew-xewu xoolaat yu bari suko defee ekip yi mëna yokk wóolu seen bopp ci barabu yokk lu jaxasoo.
Ekip yi bokk xam-xam ñoo gëna mëna jël yenn dogal ci wàllu produit, politik ak jàng.
Ekip yi bokk xam-xam ñoo gëna mëna jël yenn dogal ci wàllu produit, politik ak jàng. Ci jëfandikoo yu am kalite bu kawe, loolu dañu koy tekki ci sàrti liggéey yuñ mëna natt, ay peggu boroom, ak ay xew-xewu xoolaat yu bari suko defee ekip yi mëna yokk wóolu seen bopp ci barabu yokk lu jaxasoo.
Doxal ci àdduna dëgg
Yokk weight_decay ci AdamW wala SGD bu PyTorch sooy tàggat ay nataal ngir wàññi limu ëpp
Defar koeffisientu lambda ci régresioŋ ridge, xeetu ligneer buñ daan L2 bu yàgg bi, ngir dakkal waxtaan yi ci màndarga yi korrele
Lakk bu yaatu modelu rëset bu njëkk def ab diisaay bu ndaw (dafay faral di nekk ci diggante 0.1) ci wetu ab kalendriye jàng-taux
boole diisaay bi ak yokk ay done ak bàyyi njàng ngir moytu ab modelu nataalu medsin bu ndaw di xam scanner yu néew ci tàggat yaram
Modèlu jëfandikoo
Decay poids ak L2 regularisasioŋ ci jëf
Yokk weight_decay ci AdamW wala SGD bu PyTorch sooy tàggat ñiy xaaj nataal ngir wàññi li ñuy jëfandikoo.
Ekip yi dañuy faral di am njariñ yu gëna baax suñu tëralee ay threshold yu baax ci kanam, tëye yoonu escalation nit ngir jafe-jafe yi, ba noppi topp benefiis yi ak njëgu njuumte yi ci diir bi.
Decay poids ak L2 regularisasioŋ ci jëf
Defar koeffisientu lambda ci régresioŋ ridge, xeetu ligneer buñ daan L2 bu yàgg bi, ngir dakkal waxtaan yi ci màndarga yi korrele.
Ekip yi dañuy faral di am njariñ yu gëna baax suñu tëralee ay threshold yu baax ci kanam, tëye yoonu escalation nit ngir jafe-jafe yi, ba noppi topp benefiis yi ak njëgu njuumte yi ci diir bi.
Decay poids ak L2 regularisasioŋ ci jëf
Lakk bu yaatu modelu rëset yu njëkka tàggat yaram yu def ab diisaay bu ndaw (dafay faral di nekk ci 0.1) ci wetu ab kalendriye jàng-taux.
Ekip yi dañuy faral di am njariñ yu gëna baax suñu tëralee ay threshold yu baax ci kanam, tëye yoonu escalation nit ngir jafe-jafe yi, ba noppi topp benefiis yi ak njëgu njuumte yi ci diir bi.
Decay poids ak L2 regularisasioŋ ci jëf
Teg ci diisaayu yaram ak yokk done ak dropout ngir moytu benn model medikaal-imaging bu ndaw bu baña xam ay scanner yu néew ci tàggat yaram.
Ekip yi dañuy faral di am njariñ yu gëna baax suñu tëralee ay threshold yu baax ci kanam, tëye yoonu escalation nit ngir jafe-jafe yi, ba noppi topp benefiis yi ak njëgu njuumte yi ci diir bi.
Risk yi ak balustrade yi
Ekip yu bari mën nañu jëfandikoo benn baat ci anam wu wuute, kon teela leeral yaatuwaayam.
Benchmark yi mën nañu nuru lu am doole waaye performance yi ci àdduna bi duñu tolloo.
Bëgg kalite done ak palaŋu jàngat dafay faral di jur njariñ yu yomba dagg.
Roadmap ngir samp gi
Tàmbaleel ci joxe leeral ci làkk wu leer ci njariñ li nga soxla.
Jàppaleel lii ni buntu firnde: sudee mattul kritër yi, dakkal génne gi, tëj bërëb bi, suko defee nga yaatal jëfandikoo gi.
Tannal benn metric bu baax ak benn anam bu baaxul balaa ngay saytu.
Jàppaleel lii ni buntu firnde: sudee mattul kritër yi, dakkal génne gi, tëj bërëb bi, suko defee nga yaatal jëfandikoo gi.
Doxal ab pilote bu ndaw ak ay done yu representatif, du ab demo bu leer.
Jàppaleel lii ni buntu firnde: sudee mattul kritër yi, dakkal génne gi, tëj bërëb bi, suko defee nga yaatal jëfandikoo gi.
Bindal fi Weight Decay ak L2 Regularization di jàppale ak fi pexe yu gëna yomba gëna baax.
Jàppaleel lii ni buntu firnde: sudee mattul kritër yi, dakkal génne gi, tëj bërëb bi, suko defee nga yaatal jëfandikoo gi.
Weyal di banneexu
Check your understanding
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