Combat:howtointerprettheprincipleofcommodityqualityscoreFirst,understandthequalityscoreThesamebaby,thesamewordsindifferentprogramsinthesamerank,thepriceisdifferent,asshownbelow:Manypeoplewillwonder,whyistheresuchaphenomenon?Obviouslyqualityscoreisthesame,ah,donotteaseusTaobaosystem?Ifyouhavesuchaquestion,thenitshowsthatyouunderstandthequalityscoreisnotenough.Appearsthisreasonisjust10minutesafterthetrainbacktoscorestandardizedtofacilitateviewing,backgroundcalculationmethodisverycomplicated,maycontainsthebasicpoints,CTR,conversionrate,thecorrelationpropertiestopromotecreativityamongotherfactors.Thetruthis,youmaycommoditiesAprograminwhichascoreof9100pointsinthePlanBscoreis10900pointsinside,oris91,000pointsand109,000points,thespecificvalueisnotimportant,wecanunderstandthe1principle.Second,theinterpretationoftheprincipleofdeductionsThisisatrainofficialchartexample,wefoundthatthelowestbidisthehighestrankedAshopkeeper,clickthecostsarelowest,thisistheoreticallypossible,buttheactualoperationisrelativelyrarebecausethetrainrankings,witho-positionareoftenveryclosetoscoring.Wefirstlookattheofficialgiventwoformulas:1,underanactualchargeback=bid*underaQualityScore/YourQualityScore+0.012,theactualchargeback≤bidIbelieveweallknowchargebackprinciple,butmanypeopledonotseriouslystudythisconcept.Studyaformula,wefoundthattheactualdeductionsandyourrelationshipoffernomoney,whywehavetostudywhatthebidsandcardswell?Hereundertheassumptionthat0.01yuancanbeignoredwithouttakingintoaccount,wewillfindaformulabelow:3,Yourbid*YourQualityScore≥underabidunder2aQualityScore*Asshown,determinetherankingofyourQualityScoreandbidtheproductofCc,underthesamecircumstancesthequalityscoreofyourdeductionsaredeterminedunderalotofpeopleeverydaytirelesslypriceadjustment,infact,helpyouAmoneybeforeit,howmuchyouhavetospendthecostisdeterminedbyfollowingabid.Therefore,whenthebidscbetween(Bb/C,Dd/C),howmuchyoubid,willnotaffectyourrankinganddeductions,thismaybeverydifficulttounderstand,welookatamapbelowHere,wedefaultBb/C=1.2元,Dd/C=1.51yuan,or1.2yuanyourbidis1.51yuaneffectisexactlythesame.Differenceisthatwhenyouspendtoomuchbeforeafeeling,thevalueofthebidbAreductionorincreaseinthevalueofcwhenyoupost,orifyourneighborwhenthequalityscorechangeyourkeywordrankingpositionischanged,thecorresponding(Bb/C,Dd/C)willbeachange.3Ofcourse,thisvalueisonlyareferencevalue,calculatedbytrainmaybemorethanthat,Iexplainthesignificanceoftheseisthat,veryoften,theneighborstoocompetitivequalifyingwhenwewanttochange,toconsiderisanestimateoftheposition,suchasourknowthewordrankingcost9-13bitbetterthan5-8,thenweestimatetherankin10-11isarelativelysafeplace,andwhenthesurroundingbid,QualityScorechanged,ortimechangesputourqualifyingorwanderinginthe9-13bit,risingtomorethan8orreducingpushedbackto13(nextpage).Third,thequalityscorefactorsThisismyqualityscorerelevantfactorsfromthetraintofindthelatestversionofthescreenshotcome,accordingtotheofficialexplanation,themostdirectimpactfactors:CTR,conversionrate,relatedcategories,attributes,relatedtootherfactorssuchasthetitleshopweight,babyweightandotherfactorstemporarilyunabletomeasurethechangewedefernegligible.1,theimpactoftheconversionrateofthemaindecoration,service,saleshistoryevaluationandother4factors,thisisnotjusttrainthing.2,categoriesandattributesrelatedtotheirbabythateveryoneshouldbeveryfamiliarwithhowtofillinonho...