Video: Cov duab twg yog siv los saib cov univariate outliers?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
1. Univariate txoj kev. Ib txoj hauv kev yooj yim tshaj plaws rau kev kuaj xyuas outliers yog cov siv ntawm cov thawv ntawv. Ib lub thawv zaj yog graphical tso saib rau piav qhia txog kev faib cov ntaub ntawv. Lub thawv ntawv siv qhov nruab nrab thiab qis thiab sab sauv quartiles.
Hauv qhov no, dab tsi yog daim duab univariate?
Univariate Cov ntaub ntawv thiab Bivariate Data. Piv txwv li, yog tias kuv tau sau cov hnub nyoog ntawm txhua tus tub ntxhais kawm hauv ib lub tsev kawm ntawv thiab daim duab kuv cov ntaub ntawv, ces tsuas muaj ib tug kuj sib txawv, lub hnub nyoog ntawm cov tub ntxhais kawm. Hom ntaub ntawv no yog hu ua ib leeg cov ntaub ntawv thiab nws tsis cuam tshuam nrog kev sib raug zoo, tab sis nws yog siv los piav txog ib yam dab tsi.
Ib yam li ntawd, koj ua li cas los txheeb xyuas cov neeg tawm? Ib outlier yog ib qho kev taw qhia cov ntaub ntawv uas txawv ntawm qhov seem ntawm koj cov ntaub ntawv cov ntsiab lus.
- Kaw koj cov ntaub ntawv outliers. Lwm txoj hauv kev los daws qhov tseeb outliers yog cap lawv.
- Muab tus nqi tshiab. Yog tias qhov outlier zoo li yog vim qhov yuam kev hauv koj cov ntaub ntawv, koj sim imputing tus nqi.
- Sim ib qho kev hloov pauv.
Kuj paub, dab tsi yog txoj hauv kev los qhia cov ntaub ntawv univariate?
Cov txoj hauv kev los qhia cov ntaub ntawv univariate yog Tabulated form. Lub hom phiaj tseem ceeb yog sawv cev rau cov ntaub ntawv hauv a txoj kev thiaj li nrhiav tau cov qauv. Muaj ntau txoj kev xaiv los piav qhia univariate cov ntaub ntawv xws li bar kab kos, histograms, daim duab ncuav qab zib, ntau zaus polygons thiab zaus faib cov rooj.
Yuav ua li cas koj txheeb xyuas qhov outlier nyob rau hauv ib tug scatter plot?
Yog ib qho point ntawm a tawg daim phiaj yog deb ntawm txoj kab regression dua li lwm qhov taw tes, ces tus tawg daim phiaj muaj tsawg kawg yog ib qho outlier . Yog hais tias ib tug xov tooj ntawm cov ntsiab lus yog tib qhov deb tshaj plaws ntawm txoj kab regression, ces tag nrho cov ntsiab lus no yog outliers.
Pom zoo:
Dab tsi yog cov lus nug siv los tso saib tag nrho cov npe ntawm cov ntxhuav hauv SQL Server?
Muaj ob txoj hauv kev los nrhiav txhua lub npe ntawm lub rooj, thawj qhov yog siv "QHOV" lo lus tseem ceeb thiab qhov thib ob yog los ntawm kev nug INFORMATION_SCHEMA
Cov cim npe twg yog siv nyob rau hauv daim duab duab ntawm tus neeg siv khoom?
Lub cim yog siv los txhais cov neeg siv khoom-sab duab-daim ntawv qhia. Ib daim duab-daim ntawv qhia yog ib daim duab nrog cov chaw clickable. Lub npe yuav tsum muaj tus cwj pwm ntawm lub caij yog txuam nrog 's usemap attribute thiab tsim kev sib raug zoo ntawm daim duab thiab daim ntawv qhia
Lub cuab yeej Owasp twg tuaj yeem siv los luam theej duab Web apps thiab cov khoom siv?
DAST Cov Cuab Yeej OWASP ZAP - Ib qho tshwj xeeb pub dawb thiab qhib qhov cuab yeej DAST uas suav nrog ob qho tib si automated scanning rau qhov tsis zoo thiab cov cuab yeej los pab cov kws tshaj lij phau ntawv web app ntsuas ntsuas. Arachni - Arachni yog lub lag luam txhawb nqa scanner, tab sis nws pub dawb rau feem ntau siv, suav nrog kev luam theej duab qhib qhov project
Yuav ua li cas rau txim nyob rau hauv Is Nrias teb rau nyiag computer cov ntaub ntawv cov cuab tam los yog tej software qhov chaw code los ntawm ib tug neeg lub koom haum los yog los ntawm lwm yam txhais tau tias?
Kev piav qhia: Kev rau txim hauv Is Nrias teb rau kev nyiag cov ntaub ntawv hauv computer, cov khoom muaj nqis lossis ib qho software cov cai los ntawm ib lub koom haum, ib tus neeg, lossis los ntawm lwm txoj kev yog raug kaw 3 xyoo thiab raug nplua ntawm Rs. 500,000
Dab tsi yog txoj hauv kev zoo los tso saib cov ntaub ntawv hauv daim duab duab?
Teb: Daim duab duab yog ib txoj hauv kev zoo los tso saib cov ntaub ntawv hauv daim duab duab. Kev piav qhia: Daim duab kos duab yog siv los sawv cev rau txhua yam hauv daim duab lossis qee cov cim me me uas tuaj yeem sau rau leej twg lossis txhua yam duab lossis duab bypictograms