Dab tsi yog quantitative thiab qualitative variables?
Dab tsi yog quantitative thiab qualitative variables?

Video: Dab tsi yog quantitative thiab qualitative variables?

Video: Dab tsi yog quantitative thiab qualitative variables?
Video: Tau kev seev vim ruam tsis deev. 9/28/2017 2024, Kaum ib hlis
Anonim

Quantitative Variables - Hloov pauv nws qhov txiaj ntsig tshwm sim los ntawm kev suav lossis ntsuas ib yam dab tsi. Piv txwv li: qhov siab, qhov hnyav, lub sij hawm nyob rau hauv 100 yard khiav ceev, tus naj npawb ntawm cov khoom muag rau tus neeg yuav khoom. Qualitative Variables - Hloov pauv uas tsis yog ntsuas sib txawv . Lawv qhov txiaj ntsig tsis tshwm sim los ntawm kev ntsuas lossis suav.

Tsis tas li ntawd, dab tsi yog qhov kev hloov pauv zoo?

Kuj tseem hu ua categorical variables, zoo variables yog variables uas tsis muaj natural sense ntawm ordering. Yog li ntawd, lawv raug ntsuas ntawm nominal scale. Piv txwv li, cov plaub hau xim (Dub, Brown, Grey, Liab, Daj) yog a qualitative variable , raws li lub npe (Adas, Becky, Christina, Dave …).

Ib sab saum toj, dab tsi yog qhov sib txawv ntawm qhov piv txwv? Piv txwv ntawm Quantitative Variables / Tus lej Hloov pauv : Tus naj npawb ntawm cov hnub qub hauv galaxy (piv txwv li 100, 2301, 1 trillion). Qhov nruab nrab ntawm cov ntawv rho npe muag (piv txwv li 25, 2, 789, 2 lab). Koj muaj pes tsawg tus kwv tij (piv txwv li 0, 12, 22). Tus nqi hauv koj daim tshev nyiaj (piv txwv li $ 200, $ 1, 457, $ 2, 222).

Piv txwv li, dab tsi yog quantitative variable?

A quantitative variable yog a sib txawv uas tuaj yeem muaj qee tus nqi piv txwv li nws tuaj yeem sawv cev hauv cov lej. Tsis tas li ntawd, kev ua lej lej tuaj yeem ua tau ntawm cov no sib txawv i.e. txawm tias tom qab ua haujlwm xws li ntxiv, rho tawm, sib faib lossis faib, peb tau txais qee tus lej raws li qhov tshwm sim.

Puas yog Xyoo Quantitative lossis Zoo?

Xyoo tuaj yeem yog qhov kev txiav txim siab ntawm lub sijhawm. Piv txwv li, tej zaum koj yuav muaj cov ntaub ntawv rau tus me nyuam qhov siab nyob rau lub Ib Hlis 1 ntawm xyoo los ntawm 2010 mus rau 2018. Nws yog lub ntsiab lus nug qhov siab ntawm (hais) 2013.5, uas yuav yog rau lub Rau Hli 30, 2018. Yog li xyoo yog ib qho kev ntsuas discretized ntawm ib ncua sij hawm sib txawv, yog li ntawd kom muaj nuj nqis.

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