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Video: PPV yog dab tsi?
![Video: PPV yog dab tsi? Video: PPV yog dab tsi?](https://i.ytimg.com/vi/HKm1b57loMU/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qhov muaj txiaj ntsig zoo thiab tsis zoo kwv yees kwv yees ( PPV thiab NPV feem) yog qhov sib piv ntawm cov txiaj ntsig zoo thiab tsis zoo hauv txheeb cais thiab kuaj mob uas yog qhov tseeb thiab qhov tsis zoo tshwm sim, feem. Cov PPV thiab NPV piav qhia qhov ua tau zoo ntawm kev kuaj mob lossis lwm yam kev txheeb cais ntsuas
Ua li no, koj xam PPV li cas?
Rau xam tus nqi kwv yees zoo ( PPV ), faib TP los ntawm (TP+FP). Hauv rooj plaub saum toj no, qhov ntawd yuav yog 95/(95+90) = 51.4%. Tus nqi kwv yees zoo qhia peb tias yuav ua li cas ib tus neeg thiaj li muaj tus yam ntxwv yog tias kev sim siab
Ib qho ntxiv, qhov sib txawv ntawm PPV thiab kev nkag siab yog dab tsi? Qhov tseem ceeb sib txawv yog li PPV thiab NPV siv qhov qub ntawm ib qho xwm txheej los txiav txim siab qhov ua tau ntawm ib qho kev kuaj mob tus kab mob tshwj xeeb ntawd rhiab heev thiab qhov tshwj xeeb yog kev ywj pheej ntawm kev kis mob. Cov no tso cai rau koj los txiav txim qhov xwm txheej hauv lossis tawm tab sis tsis tau txheeb xyuas qhov tseeb.
Kuj paub, qhov txiaj ntsig kwv yees txiaj ntsig txhais li cas?
Tus nqi kwv yees zoo yog tus qhov yuav tshwm sim uas yog cov ntsiab lus nrog a zoo kev tshuaj ntsuam xyuas tiag tiag muaj lub ntuj ceeb tsheej. Tsis zoo kwv yees tus nqi yog qhov yuav tshwm sim uas yog lub ntsiab lus nrog qhov kev tshuaj ntsuam tsis zoo tiag tiag tsis muaj tus mob vwm.
Kev kis tus mob cuam tshuam rau PPV li cas?
Siv tib qhov kev xeem hauv cov pejxeem uas muaj siab dua kev kis mob nce kev twv txiaj ntsig zoo . Conversely, nce kev kis mob ua rau txo qhov tsis zoo kwv yees tus nqi. Thaum txiav txim siab kwv yees qhov txiaj ntsig ntawm kev kuaj mob lossis tshuaj ntsuam xyuas, paub txog qhov cuam tshuam ntawm kev kis mob ntawm tus kab mob.
Pom zoo:
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