Video: Dab tsi yog r hauv hwj chim bi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov R lus yog ib hom lus uas muaj zog heev uas ntau tus kws tshawb fawb, cov kws tshawb fawb cov ntaub ntawv, thiab cov kws tshuaj ntsuam xyuas cov ntaub ntawv siv. Koj siv tau R hauv Power BI Desktop's Lub zog Query Editor rau: Npaj cov ntaub ntawv qauv. Tsim cov ntawv ceeb toom.
Tsis tas li, koj puas tuaj yeem siv R hauv lub zog ob?
Lub zog BI Desktop siv tau txhua hom R pob khoom tsis muaj kev txwv. Koj ua tau nruab R pob khoom rau siv hauv Lub zog BI Desktop ntawm koj tus kheej ( siv RStudio IDE, piv txwv li).
Power BI siv code dab tsi? DAX sawv cev rau Cov Ntaub Ntawv Kev Ntsuas Cov Lus Qhia, thiab yog hom lus siv thoob plaws Lub zog BI (nws kuj tseem siv los ntawm Lub zog BI qab lub scenes).
Cov lus nug tseem yog, R script yog dab tsi?
Ib R tsab ntawv tsuas yog cov ntawv nyeem uas muaj (yuav luag) tib cov lus txib uas koj yuav nkag mus rau ntawm kab hais kom ua R . (yuav luag) hais txog qhov tseeb tias yog tias koj siv dab dej () xa cov zis mus rau ib cov ntaub ntawv, koj yuav tsum tau kaw qee cov lus txib hauv print() kom tau txais cov zis tib yam li ntawm kab hais kom ua.
Puas yog Power BI zoo dua li cov lus?
Lub zog BI los ntawm tus nqi qis dua dua Tableau , tab sis scaled nta thiab cov neeg siv ntxiv yuav nce tus nqi ntawd. Tableau yog tsim rau cov ntaub ntawv tsom xam, thaum Lub zog BI yog zoo dua haum rau cov neeg tuaj saib uas xav tau lag luam txawj ntse los txhim kho lawv cov analytics.
Pom zoo:
Dab tsi yog hauv lub hwj chim adapter?
Hauv luv luv, AC Adapter hloov cov hluav taws xob tau txais los ntawm qhov hluav taws xob hluav taws xob mus rau hauv qhov feem ntau qis dua tam sim no uas cov khoom siv hluav taws xob siv tau.Inside lub AC adapter yog ob lub xaim windings uas qhwv ib lub hauv paus hlau
Lub hwj chim limiter yog dab tsi?
Hauv cov khoom siv hluav taws xob, lub limiter yog ib qho hluav taws xob uas tso cai rau cov teeb liab hauv qab lub zog hluav taws xob lossis qib kom dhau qhov tsis muaj kev cuam tshuam thaum attenuating (txo) lub ncov ntawm cov teeb liab muaj zog tshaj qhov pib. Limiting yog ib qho txheej txheem uas qhov amplitude ntawm lub teeb liab tiv thaiv kom tsis txhob dhau tus nqi predetermined
Lub hwj chim tso zis ntawm lub laptop USB chaw nres nkoj yog dab tsi?
Qhov nruab nrab lub zog tso zis Qhov nruab nrab lub zog ntawm USB chaw nres nkoj yog li 5 volts. Koj lub cuab yeej USB yuav muaj peev xwm kos tawm qhov siab tshaj plaws ntawm 500 milliamperes (mA), tab sis feem ntau lub neej ntawd mus rau 100 mA kom txog rau thaum prompted kom muab lub zog ntau dua los ntawm cov khoom siv software
Lub hwj chim pass splitter yog dab tsi?
Lub hwj chim hla dhau splitter, feem ntau hu ua lub hwj chim pass splitter, yog ib qho khoom siv coj lub teeb liab lossis lub zog los ntawm ib qho cable ntawm ib qho kawg thiab pub nws mus rau hauv ob lossis ntau qhov kev sib txuas ntawm qhov kawg
Dab tsi tuaj yeem muab tso rau hauv lub hwj chim sawb?
Txoj cai thib ob: tsis txhob ntsaws cov khoom siv hluav taws xob siab, xws li qhov chaw tso cua sov, lub tub yees, lossis microwave thiab qhov cub ci rau hauv lub hwj chim strips lossis txuas txuas ntxiv. Cov khoom siv no muaj peev xwm muaj zog dua thiab yuav tsum tau ntsaws rau hauv lub qhov hluav taws xob ntawm phab ntsa ncaj qha