Qeexid
Moodeel underfit ah wuu ku fashilmaa in uu bartaa summadda — khalad sare oo ku jira xogta tababarka wax ka sii daraya xogta cusub. Sababaha waxaa ka mid ah awood yar, regularization xad-dhaaf ah, ama tababar aan ku filnayn.
Waa isku-dhafka kale ee fashilka overfitting.
Si fudud
Overfitting waa xusuusnaanshaha imtixaanka tababarka. Underfitting waa akhris aan ku filnayn — waxaad ku fashilantaa imtixaanka tababarka iyo kan dhabta ah labadaba.
Halka aad ka aragto
- Moodeel toosan (linear) oo ku shaqeeya xog aan toosnayn oo aad u adag.
- Joojinta tababarka goor aad u hore.
- Isticmaalka moodeelo aad u yar hawlaha luqadda ee adag.
Sida ay u shaqeyso
1.Baaro
Khaladka tababarka iyo validation-ka labaduba way sarreeyaan.
2.Kordhi awoodda
Sifooyin hodan ah, shabakado qoto-dheer, ama tababar dheer.
3.Yaree xayiraadaha
Yaree regularization xad-dhaafka ah haddii loo baahdo.
Maxay muhiim u tahay
- Kala-garaynta underfit iyo overfit wuxuu kuu sheegayaa in aad fududayso ama hodansiiso moodeelka.
Inta badan la khaldo
Haddii khaladka validation-ku sarreeyo, waa inaad overfitting tahay.
Khalad tababar oo sare wuxuu tilmaamayaa underfitting; tababar hooseeya oo validation sare tilmaamaya overfitting.