Categorical cov ntaub ntawv yog tsuas yog cov ntaub ntawv sib sau ua ke rau hauv pawg ntau dua li tsis yog nyob rau hauv cov qauv lej, xws li Poj Niam Txiv Neej, Poj Niam lossis Kev Kawm Qib. Lawv muaj nyob rau hauv yuav luag tag nrho cov ntaub ntawv ntawm lub neej tiag tiag, tab sis tam sim no algorithms tseem tawm tsam nrog lawv. Noj, piv txwv li, XGBoost lossis feem ntau SKlearn qauv.
Dab tsi txhais cov ntaub ntawv categorical?
Categorical data yog cov ntaub ntawv txheeb cais uas suav nrog categorical variables lossis cov ntaub ntawv uas tau hloov mus rau hauv daim ntawv ntawd, piv txwv li cov ntaub ntawv ua pawg.
Cov ntaub ntawv categorical thiab cov ntaub ntawv yog dab tsi?
Cov ntaub ntawv xov tooj yog siv los txhais tau tias txhua yam uas sawv cev los ntawm tus lej (floating point lossis integer). Categorical cov ntaub ntawv feem ntau txhais tau tias txhua yam ntxiv thiab tshwj xeeb tshaj tawmpawg sau npe feem ntau hu tawm.
Cov ntaub ntawv categorical thiab cov ntaub ntawv txuas ntxiv yog dab tsi?
Categorical variables muaj pes tsawg pawg lossis cov pab pawg sib txawv … Cov hloov pauv tsis tu ncua yog cov lej sib txawv uas muaj tus lej tsis kawg ntawm qhov tseem ceeb ntawm ob qho txiaj ntsig. Ib qho kev sib txawv tsis tu ncua tuaj yeem yog tus lej lossis hnub / sijhawm. Piv txwv li, qhov ntev ntawm ib feem lossis hnub thiab sijhawm tau txais cov nyiaj them poob haujlwm.
piv txwv ntawm cov ntaub ntawv categorical yog dab tsi?
Categorical variables sawv cev cov ntaub ntawv uas yuav muab faib ua pawg. Piv txwv ntawm qhov sib txawv ntawm pawg yog haiv neeg, poj niam txiv neej, pab pawg hnub nyoog, thiab qib kev kawm. … Muaj 8 pawg txheej xwm sib txawv, nrog rau qhov hnyav muab raws li cov ntaub ntawv tus lej.