Dab tsi yog qhov txawv ntawm P kab kos thiab cov kab kos raws li kev tswj hwm?
Dab tsi yog qhov txawv ntawm P kab kos thiab cov kab kos raws li kev tswj hwm?

Video: Dab tsi yog qhov txawv ntawm P kab kos thiab cov kab kos raws li kev tswj hwm?

Video: Dab tsi yog qhov txawv ntawm P kab kos thiab cov kab kos raws li kev tswj hwm?
Video: 6 Nqi Lus Qhia Kev Ua neej ( leej twg mloog lub neej yuav zoo tuaj) 2024, Hlis ntuj nqeg
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Cov cwj pwm tswj cov kab kos rau cov ntaub ntawv binomial

Lub ntsiab qhov sib txawv ntawm P thiab NP kab kos yog qhov ntsuas ntsug. P daim duab qhia qhov kev faib ua feem ntawm qhov tsis sib haum xeeb ntawm y-axis. NP kab kos qhia tag nrho cov naj npawb ntawm qhov tsis sib haum xeeb ntawm y-axis.

Ntawm no, qhov txawv ntawm P daim duab thiab U daim ntawv yog dab tsi?

Yog tias tus qauv loj tas li, siv np- daim duab . Yog tias tus qauv hloov pauv, siv a p - daim duab . Yog tias tus qauv loj tas li, siv c- daim duab . Yog tias tus qauv hloov pauv, siv a u - daim duab.

Tsis tas li ntawd, ob hom kev tswj cov kab kos rau cov cwj pwm yog dab tsi? P, np, c, u tswj kab kos hu ua attribute tswj kab kos . plaub no tswj kab kos yog siv thaum koj muaj "suav" cov ntaub ntawv. Muaj ob yooj yim hom ntawm yam ntxwv data: yog/no yam cov ntaub ntawv thiab suav cov ntaub ntawv. Cov yam ntawm cov ntaub ntawv koj muaj txiav txim qhov hom ntawv tswj koj siv.

Yog li ntawd, dab tsi yog attribute control charts?

Cov kab kos yog ib txheej ntawm tswj kab kos tsim tshwj xeeb rau Yam ntxwv cov ntaub ntawv (piv txwv li suav cov ntaub ntawv). Cov kab kos duab saib xyuas cov txheej txheem qhov chaw thiab kev hloov pauv raws sijhawm hauv ib qho daim duab.

P daim duab siv rau dab tsi?

Nyob rau hauv statistical zoo tswj, lub p - daim duab yog hom tswj daim ntawv siv rau saib xyuas qhov kev faib ua feem ntawm cov chav nyob tsis sib xws hauv cov qauv, qhov twg cov qauv kev faib ua feem tsis sib haum yog txhais raws li qhov piv ntawm tus lej ntawm cov chav tsis sib haum rau cov qauv loj, n.

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