Kev tshuaj ntsuam xyuas yog ib qho subfield ntawm kev saib xyuas tshuab kev kawm. Nws lub hom phiaj los ua qauv kev sib raug zoo ntawm qee tus naj npawb ntawm cov yam ntxwv thiab lub hom phiaj sib txawv tsis tu ncua.
Puas rov qab saib xyuas lossis tsis saib xyuas?
Regression yog saib xyuas tshuab kev kawmtxheej txheem uas yog siv los kwv yees qhov tseem ceeb tas mus li. Lub hom phiaj tseem ceeb ntawm qhov regression algorithm yog los npaj ib txoj kab zoo tshaj plaws los yog nkhaus ntawm cov ntaub ntawv. … Polynomial regression yog siv thaum cov ntaub ntawv tsis yog linear.
Puas yog linear regression saib xyuas lossis tsis saib xyuas kev kawm?
Kab rov qab yog saib xyuas. Koj pib nrog cov ntaub ntawv nrog tus paub sib txawv ntawm qhov sib txawv (label), cob qhia koj tus qauv, tom qab ntawd siv nws tom qab. Koj sim twv seb tus lej tiag tiag, zoo li tus nqi ntawm lub tsev. Logistic regression kuj raug saib xyuas.
Vim li cas kev thim rov qab hu ua kev kawm saib xyuas?
Regression yog ib qho kev saib xyuas kev kawm uas pab nrhiav kev sib raug zoo ntawm qhov sib txawv thiab ua rau peb kwv yees cov txiaj ntsig tsis tu ncua raws liqhov ib lossis ntau qhov sib piv.
Puas yog kev thim rov qab yog piv txwv ntawm kev saib xyuas lossis tsis saib xyuas kev kawm?
Qee cov teeb meem tshwm sim nyob rau sab saum toj ntawm kev faib tawm thiab regression suav nrog kev pom zoo thiab lub sijhawm kwv yees ua ntu ntu. Qee qhov nrov piv txwv ntawm kev saib xyuas tshuab kev kawm algorithms yog: Linear regression rau regression teeb meem.
