Qhov kev ntsuas twg muaj cov qeb?
Qhov kev ntsuas twg muaj cov qeb?

Video: Qhov kev ntsuas twg muaj cov qeb?

Video: Qhov kev ntsuas twg muaj cov qeb?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Nominal qib ntsuas yog characterized los ntawm cov ntaub ntawv uas muaj ntawm lub npe, daim ntawv lo, los yog pawg nkaus xwb. Cov ntaub ntawv tsis tuaj yeem npaj rau hauv cov txheej txheem xaj. Ib qho piv txwv ntawm Nominal qib ntsuas yog cov lus teb xws li yog, tsis yog, thiab tsis tau txiav txim siab.

Kuj paub, 4 theem ntawm kev ntsuas yog dab tsi?

Ib qho kev sib txawv muaj ib qho ntawm plaub theem sib txawv ntawm kev ntsuas: Nominal , Ordinal , Interval, lossis Ratio. (Lub sijhawm luv thiab qhov piv ntawm kev ntsuas qee zaum hu ua Nruam lossis Scale).

3 hom kev ntsuas yog dab tsi? Peb Kev ntsuas yog piav qhia, kuaj mob, thiab kwv yees. Kev piav qhia yog daim ntawv yooj yim tshaj plaws ntawm ntsuas . Klout qhab nia, koj Google Pagerank, tus naj npawb ntawm cov neeg tuaj xyuas tshwj xeeb rau koj lub vev xaib.

Xav txog qhov no, dab tsi yog qhov ntsuas ntsuas hauv kev txheeb cais thiab piv txwv?

Summary – Levels of Measurement

Muaj: Nominal Lub sijhawm
Qhov sib txawv ntawm qhov sib txawv tuaj yeem ntsuas tau Yog lawm
Ntxiv thiab rho tawm ntawm qhov sib txawv Yog lawm
Multiplication thiab Division of variables
Tsis muaj tseeb

Qhov twg ntawm plaub theem ntawm kev ntsuas yog qhov tsim nyog tshaj?

Txiav txim siab uas ntawm plaub theem ntawm kev ntsuas (nominal, ordinal, interval, ratio) yog tsim nyog tshaj plaws rau cov ntaub ntawv hauv qab no. Qhov nominal qib ntsuas yog qhov tsim nyog tshaj plaws vim cov ntaub ntawv tsis tuaj yeem xaj.

Pom zoo: