Video: Cov ntaub ntawv zoo txhais li cas hauv biology?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov ntaub ntawv zoo yog txhais raws li tus cov ntaub ntawv uas approximates thiab characterizes. Qhov no cov ntaub ntawv hom tsis yog tus lej hauv qhov xwm txheej. Hom no cov ntaub ntawv yog sau los ntawm cov kev soj ntsuam, kev sib tham ib-rau-ib, ua cov pab pawg tsom xam thiab cov txheej txheem zoo sib xws. Cov ntaub ntawv zoo hauv kev txheeb cais tseem hu ua categorical cov ntaub ntawv.
Ib yam li ntawd, tib neeg nug, dab tsi yog cov ntaub ntawv zoo biology?
Cov ntaub ntawv zoo yog cov lus piav qhia ntawm qhov sib txawv, xws li xim, lossis suab. Cov ntaub ntawv zoo kuj tuaj yeem yog qhov yooj yim "yog-lossis-tsis" kev soj ntsuam txog seb puas muaj qee yam tshwm sim, xws li seb tsob ntoo puas loj hlob. • Muaj nuj nqis cov ntaub ntawv yog cov lej ntsuas ntawm qhov sib txawv ntawm qhov sib txawv.
Qhov thib ob, qhov piv txwv ntawm cov ntaub ntawv zoo yog dab tsi? Cov ntaub ntawv zoo yog cov ntaub ntawv hais txog qhov zoo; cov ntaub ntawv uas ntsuas tsis tau tiag tiag. Ib txhia piv txwv ntawm cov ntaub ntawv zoo yog qhov softness ntawm koj daim tawv nqaij, txoj kev tshav ntuj uas koj khiav, thiab xim ntawm koj ob lub qhov muag. Txawm li cas los xij, sim qhia Photoshop koj tsis tuaj yeem ntsuas xim nrog cov lej.
Kuj nug, cov ntaub ntawv ntau npaum li cas hauv biology?
Qualitative thiab Quantitative Data . Quatative cov ntaub ntawv yog txhua yam uas tuaj yeem qhia ua tus lej, orquantified. Piv txwv ntawm cov ntaub ntawv quantitative yog cov qhab nia ntawm kev xeem ua tiav, pes tsawg teev ntawm kev kawm, lossis qhov hnyav ntawm ib qho kev kawm.
Dab tsi yog lub ntsiab lus ntawm qualitative hauv science?
zoo . Txhua yam uas yog zoo tau ua nrog cov yam ntxwv lossis cov yam ntxwv ntawm ib yam dab tsi, tsis yog nws qhov ntau. Cov kws tshawb fawb feem ntau sib piv zoo tsom xam los yog cov ntaub ntawv nrog ntau qhov tseeb, cov ntaub ntawv uas tuaj yeem ntsuas tau.
Pom zoo:
Vim li cas cov ntaub ntawv tiaj tus tsis zoo dua li cov ntaub ntawv sib raug zoo?
Ib lub rooj ua ntaub ntawv tiaj tus yog qhov tseem ceeb rau kev sau cov ntaub ntawv tsawg. Tab sis cov ntaub ntawv loj loj tuaj yeem ua tsis tau raws li nws siv ntau qhov chaw thiab nco dua li cov ntaub ntawv sib txheeb. Nws kuj yuav tsum tau muab cov ntaub ntawv tshiab ntxiv txhua zaus koj nkag mus rau cov ntaub ntawv tshiab, qhov kev sib raug zoo database tsis
Cov ntaub ntawv zoo li cas yog cov ntaub ntawv ua haujlwm?
Lub chaw ua haujlwm database yog qhov chaw rau cov ntaub ntawv khaws cia. Cov ntsiab lus hauv cov ntaub ntawv ua haujlwm tuaj yeem ntxiv thiab tshem tawm ntawm ya. Cov databases no tuaj yeem yog SQL lossis NoSQL-based, qhov tom kawg yog npaj rau kev ua haujlwm ntawm lub sijhawm
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
Vim li cas cov ntaub ntawv zoo tseem ceeb heev rau kev sau cov ntaub ntawv txheeb cais?
Cov ntaub ntawv muaj txiaj ntsig zoo yuav ua kom muaj txiaj ntsig ntau dua hauv kev tsav lub tuam txhab kev vam meej vim yog kev vam khom ntawm qhov tseeb-raws li kev txiav txim siab, tsis yog kev coj cwj pwm lossis tib neeg kev xav. Ua kom tiav: Xyuas kom tsis muaj qhov khoob ntawm cov ntaub ntawv los ntawm qhov yuav tsum tau sau thiab qhov twg tau sau tiag
Dab tsi yog cov teeb meem ntawm kev tswj cov ntaub ntawv hauv cov ntaub ntawv ib txwm muaj?
Nyob rau tib lub sijhawm, qhov kev tswj hwm cov ntaub ntawv ib puag ncig tsim teeb meem xws li cov ntaub ntawv rov ua dua thiab tsis sib xws, cov kev pab cuam-cov ntaub ntawv dependence, inflexibility, tsis muaj kev ruaj ntseg, thiab tsis muaj cov ntaub ntawv sib qhia thiab muaj