Video: Tabular thiab graphical kev nthuav qhia ntawm cov ntaub ntawv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Tabular thiab graphical nthuav qhia cov ntaub ntawv . 1. Ib txoj kev npaj ntawm cov ntaub ntawv hauv qhov twg cov ntaub ntawv nyob rau hauv kab thiab kab. Qhov tseeb cov ntaub ntawv nyob rau hauv ib lub rooj occupying cov kab, piv txwv li, feem pua, frequencies, statistical xeem tau, txhais tau tias, "N" (tus naj npawb ntawm cov qauv), thiab lwm yam.
Tib neeg kuj nug, tabular nthuav qhia cov ntaub ntawv yog dab tsi?
Tabulation i.e. Tabular Kev nthuav qhia cov ntaub ntawv yog ib txoj kev kev nthuav qhia cov ntaub ntawv . Nws yog ib tug systematic thiab logic kev npaj ntawm cov ntaub ntawv nyob rau hauv daim ntawv ntawm kab thiab kab nrog rau cov yam ntxwv ntawm cov ntaub ntawv.
Dab tsi yog qhov tseem ceeb ntawm kev nthuav qhia cov ntaub ntawv hauv graphical lossis tabular sawv cev? Cov ntaub ntawv Rooj los yog Tabular Presentation . Ib lub rooj yooj yim sawv cev ntawm txawm loj npaum li cas ntawm cov ntaub ntawv nyob rau hauv ib qho txaus nyiam, yooj yim rau kev nyeem ntawv thiab koom nrog. Cov cov ntaub ntawv yog npaj nyob rau hauv kab thiab kab. Qhov no yog ib qho ntawm feem ntau siv cov ntaub ntawv ntawm kev nthuav qhia ntawm cov ntaub ntawv txij li thaum cov ntaub ntawv cov rooj yog yooj yim los tsim thiab nyeem.
Ib yam li ntawd, koj tuaj yeem nug, tabular textual thiab graphical nthuav qhia yog dab tsi?
Kev nthuav qhia OF DATA Qhov no yog hais txog lub koom haum ntawm cov ntaub ntawv rau hauv cov ntxhuav, kab kos lossis kab kos, kom cov lus xaus thiab kev txheeb cais tuaj yeem muab tau los ntawm cov kev ntsuas sau. Cov ntaub ntawv tuaj yeem nthuav tawm hauv (3 Txoj Kev): - Cov ntawv nyeem - Tabular los yog - Duab . - Nws yog kev sib xyaw ntawm cov ntawv thiab cov duab.
Txoj kev tabular yog dab tsi?
Cov txoj kev tabular uas tseem hu ua Quine-McCluskey txoj kev yog qhov tshwj xeeb tshaj yog thaum txo cov haujlwm uas muaj ntau qhov sib txawv, piv txwv li. Lub rau lub luag haujlwm sib txawv. Cov khoos phis tawj tau tsim los siv cov algorithm no. Cov txoj kev tabular ua rau rov siv txoj cai A + = 1.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?
Ob leeg yog cov ntaub ntawv muaj txiaj ntsig ntawm cov ntaub ntawv tab sis qhov sib txawv ntawm lawv yog cov ntaub ntawv tsis muaj ntaub ntawv yog rawdata. Qhov no txhais tau hais tias nws nyuam qhuav tau sau tab sis tsis txheeb rau hauv ib pawg lossis cov chav kawm. Ntawm qhov tod tes, groupeddata yog cov ntaub ntawv uas tau teeb tsa ua pawg los ntawm cov ntaub ntawv nyoos
Dab tsi yog qhov txawv ntawm daim duab kos duab thiab graphical nthuav qhia?
Qhov no txhais tau hais tias daim duab tsuas yog ib feem ntawm daim duab. Graph yog ib tug sawv cev ntawm cov ntaub ntawv siv kab ntawm ob los yog peb axes xws li x, y, thiab z, whereas daim duab yog ib tug yooj yim pictorial sawv cev ntawm ib yam dab tsi zoo li los yog nws ua hauj lwm li cas
Thaum cov lus tau hla tawm cov ntaub ntawv kuaj xyuas feem ntau nthuav tawm cov ntawv sau thawj nrog kev pab ntawm dab tsi?
Infrared luminescence yog siv rau: Qhia tawm cov ntawv sau uas tau muab tshem tawm THIAB kuaj pom yog tias ob tus lej sib txawv tau siv rau hauv kev sau ntawv. Cov kws tshuaj xyuas cov ntaub ntawv feem ntau nthuav tawm cov ntawv sau thawj ntawm cov lus uas tau hla nrog kev pab ntawm: Infrared tawg
Koj txhais li cas los ntawm kev nthuav qhia tabular ntawm cov ntaub ntawv?
Tabulation i.e. Tabular Presentation of data is a method of presentation of data. Nws yog ib qho systematic thiab logic kev npaj ntawm cov ntaub ntawv nyob rau hauv daim ntawv ntawm kab thiab kab nrog rau cov yam ntxwv ntawm cov ntaub ntawv
Vim li cas kem taw qhia cov ntaub ntawv khaws cia ua cov ntaub ntawv nkag ntawm disks sai dua li kab qhia cov ntaub ntawv khaws cia?
Kem oriented databases (aka columnar databases) yog qhov tsim nyog rau kev ntsuas kev ua haujlwm ntau dua vim tias cov ntaub ntawv hom ntawv (kem hom) qiv nws tus kheej kom nrawm dua cov lus nug ua - scans, aggregation thiab lwm yam. Ntawm qhov tod tes, kab oriented databases khaws ib kab (thiab tag nrho nws. kab) contiguously