Thaum xam qhov txhais tau tias ntawm pawg thiab ungrouped cov ntaub ntawv, yuav muaj qhov sib txawv. Qhov txhais tau tias ntawm pawg cov ntaub ntawv yog qhov nyiam vim nws yog qhov tseeb dua piv rau qhov txhais tau tias ntawm cov ntaub ntawv tsis sib koom. Qhov nruab nrab ntawm cov ntaub ntawv ungrouped yuav ua rau tsis ncaj ncees lawm manipulation ntawm qhov nruab nrab yog li nws yog suav tias yog inefficient nyob rau hauv feem ntau.
Koj paub li cas yog tias cov ntaub ntawv raug muab faib ua pawg lossis ungrouped?
Thaum cov ntaub ntawv tsis tau muab tso rau hauv ib pawg thiab tsis muaj kev sib sau ua ke / cov ntsiab lus tau muab tso rau hauv cov ntaub ntawv ces nws yog lub npe hu ua ungrouped data. Ungrouped cov ntaub ntawv tseem hu ua cov ntaub ntawv nyoos. Cov ntaub ntawv ua pawg yog dab tsi? Thaum cov ntaub ntawv nyoos tau muab faib ua pawg sib txawv ces nws tau hais tias yog pawg ntaub ntawv.
Puas ungrouped data interval?
Cov ntaub ntawv tsis sib koom yog cov ntaub ntawv ntxhib uas nyuam qhuav sau thiab tsis muaj cov kauj ruam ntxiv rau ntawm cov ntaub ntawv no. … Qhov dav ntawm txhua lub caij nyoog yuav sib npaug los yog sib txawv nyob ntawm qhov xwm txheej thiab ntawm txoj kev yuav ua li cas cov ntaub ntawv yog pab pawg, tab sis qhov luaj li cas ntawm lub ncua sij hawm ib txwm yog tag nrho
Dab tsi yog qhov tsis zoo ntawm kev siv cov ntaub ntawv sib koom ua ke ntawm cov ntaub ntawv tsis sib koom?
Nws yog ib daim ntawv teev cov lej xwb. 3. Nws yog xam cov ntaub ntawv muab rau kom tau qhov tshwm sim Disadvantages: 1. Nws tsis zoo txhais. 2. Nws tsis yog raws li tag nrho cov txiaj ntsig 3. Nws ruaj khov rau cov txiaj ntsig loj thiab nws yuav tsis raug txhais tau zoo yog tias cov ntaub ntawv muaj tsawg tus nqi.
Dab tsi yog qhov tsis zoo ntawm kev siv cov ntaub ntawv ua pab pawg?
Pab pawg poob qhov tseeb thiab txhua daim duab, cov lus, lossis cov txheeb cais tsim los ntawm pawg cov ntaub ntawv yuav tsis muaj tseeb raws li cov ntaub ntawv nyoos yuav raug siv. Nrog cov khoos phis tawj, cov ntaub ntawv pawg yuav tsum tsis txhob siv rau kev suav txheeb cais. Qhov tseem ceeb siv rau cov ntaub ntawv sib koom ua ke yog ua cov duab lossis cov rooj.
