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Compa.a.ive a.a.ys.s.of micros.ructure,mecha.ica.,a.d corros.on properties.of biodegra.a.le Mg-3Y a.loy prepa.ed by s.lective la.er melting a.d s.a.k pla.ma.s.ntering

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Journa. of Ma.nes.um a.d a.loys 2024年第4期12卷 1496-1510页

作者： P.Minárik M.Zemková s.Ša.ek J.Dittrich M.Kna.ek F.Lukáˇc D.Koutný J.Ja.oš R.Král Fa.ulty of Ma.hema.ics.a.d Phys.cs Charles UniversityKe Karlovu 5Praha 12116Czech Republic Res.a.ch Centre University ofŽilinaUniverzitná8215/1Žilina 01026Slovakia Ins.itute of Pla.ma.Phys.cs.of the Czech a.a.emy of s.iences Za Slovankou 1782/318200 Praha 8Czech Republic Ins.itute of Ma.hine a.d Indus.ria. Des.gn Brno University of TechnologyTechnická2896/2Brno 61669Czech Republic

This.work explored pos.ibilities.of biodegra.a.le ma.nes.um a.loy Mg-3Y prepa.a.ion by two modern powder meta.lurgy techniques.s.a.k pla.ma.s.ntering(s.s.a.d s.lective la.er melting(s.M).The powder ma.eria. wa. cons.lida.ed by both methods.utilis.ng optimis.d pa.a.eters.which led to very low poros.ty(∼0.3%)in the s.M ma.eria. a.d unmea.ura.ly low poros.ty in the s.s.*** ma.n a.m of the s.udy wa. the thorough micros.ructure cha.a.teris.0}ion a.d interrela.ion between the micros.ructure a.d the functiona. properties.s.ch a. mecha.ica. s.rength,deforma.ility,a.d corros.on *** ma.eria.s.s.owed compa.a.le s.rength of∼110 MPa.in tens.on a.d compres.ion a.d rela.ively good deforma.ility of∼9%a.d∼21%for the s.M a.d s.s.ma.eria.s.*** corros.on res.s.a.ce of the s.s.ma.eria. in 0.1 M Na.l s.lution wa. s.perior to the s.M one a.d compa.a.le to the conventiona. extruded *** digita. ima.e correla.ion during loa.ing a.d the cros.-s.ction a.a.ys.s.of the corros.on la.ers.revea.ed tha. the res.dua. poros.ty a.d la.ge s.ra.ned gra.ns.ha.e the domina.t nega.ive effect on the functiona. properties.of the s.M *** the other ha.d,one of the prima.y outcomes.of this.s.udy is.tha. the s.s.cons.lida.ion method is.very effective in the prepa.a.ion of the W3 biodegra.a.le a.loy,res.lting in ma.eria. with convenient mecha.ica. a.d degra.a.ion properties.tha. might find pra.tica. a.plica.ions.

关键词： Ma.nes.um Yttrium Powder meta.lurgy Micros.ructure Mecha.ica. s.rength Corros.on res.s.a.ce

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Ren-integra.le a.d ren-s.mmetric integra.le s.s.ems

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Communica.ions.in Theoretica. Phys.cs 2024年第3期76卷 62-69页

作者： s.Y Lou s.hool of Phys.ca. s.ience a.d Technology Ningbo UniversityNingbo315211China

a.new type of s.mmetry,ren-s.mmetry,des.ribing a.yon phys.cs.a.d corres.onding topologica. phys.cs.is.***-s.mmetry is.a.genera.iza.ion of s.per-s.mmetry which is.widely a.plied in s.per-s.mmetric phys.cs.s.ch a. s.per-s.mmetric qua.tum mecha.ics.s.per-s.mmetric gra.ity,s.per-s.mmetric s.ring theory,s.per-s.mmetric integra.le s.s.ems.a.d s. *** a.d Gra.s.a.n numbers.a.e,in s.me s.ns.,dua. conceptions.a.d it turns.out tha. thes. conceptions.coincide for the ren s.tua.ion,tha. is.a.s.mila. conception of ren-number(R-number)is.devis.d for *** pa.ticula.,s.me ba.ic res.lts.of the R-number a.d ren-s.mmetry a.e expos.d which a.low one to derive,in principle,s.me new types.of integra.le s.s.ems.including ren-integra.le models.a.d ren-s.mmetric integra.le *** exa.ples.of ren-integra.le KdV-type s.s.ems.a.d ren-s.mmetric KdV equa.ions.a.e explicitly given.

关键词： s.mmetries integra.le s.s.ems a.yon phys.cs extended s.pers.mmetry ren-s.mmetry

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a.toRhythma.: a.Hybrid Ma.hine a.d Deep Lea.ning a.proa.h for a.toma.ed Dia.nos.s.of a.rhythmia.

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Computers. Ma.eria.s.& Continua 2024年第2期78卷 2137-2158页

作者： s.Ja.a.thi s.Pra.a.na.Devi Depa.tment of Computer s.ience a.d Engineering SRM Institute of Science and Technology-Vadapalani CampusChennaiTamil NaduIndia

In hea.thca.e,the pers.s.ent cha.lenge of a.rhythmia.,a.lea.ing ca.s. of globa. morta.ity,ha. s.a.ked extens.ve res.a.ch into the a.toma.ion of detection us.ng ma.hine lea.ning(ML)***,tra.itiona. ML a.d a.toML a.proa.hes.ha.e revea.ed their limita.ions.nota.ly rega.ding fea.ure genera.iza.ion a.d a.toma.ion *** gla.0}g res.a.ch ga. ha. motiva.ed the development of a.toRhythma.,a. innova.ive s.lution tha. integra.es.both ma.hine a.d deep lea.ning to revolutionize the dia.nos.s.of *** a.proa.h encompa.s.s.two dis.inct pipelines.ta.lored for bina.y-cla.s.a.d multi-cla.s.a.rhythmia.detection,effectively bridging the ga. between da.a.preproces.ing a.d model *** va.ida.e our s.s.em,we ha.e rigorous.y tes.ed a.toRhythma. us.ng a.multimoda. da.a.et,s.rpa.s.ng the a.cura.y a.hieved us.ng a.s.ngle da.a.et a.d unders.oring the robus.nes. of our *** the firs. pipeline,we employ s.gna. filtering a.d ML a.gorithms.for preproces.ing,followed by da.a.ba.a.cing a.d s.lit for *** s.cond pipeline is.dedica.ed to fea.ure extra.tion a.d cla.s.fica.ion,utilizing deep lea.ning ***,we introduce the‘RRI-convoluted tra.s.former model’a. a.novel a.dition for bina.y-cla.s.*** ens.mble-ba.ed a.proa.h then a.a.ga.a.es.a.l models.cons.dering their res.ective weights.res.lting in a. optima. model *** our s.udy,the VGGRes.Model a.hieved impres.ive res.lts.in multi-cla.s.a.rhythmia.detection,with a. a.cura.y of 97.39%a.d firm performa.ce in precis.on(82.13%),reca.l(31.91%),a.d F1-s.ore(82.61%).In the bina.y-cla.s.ta.k,the propos.d model a.hieved a. outs.a.ding a.cura.y of 96.60%.Thes. res.lts.highlight the effectivenes. of our a.proa.h in improving a.rhythmia.detection,with nota.ly high a.cura.y a.d well-ba.a.ced performa.ce metrics.

关键词： a.toma.ed ma.hine lea.ning neura. networks deep lea.ning a.rhythmia.

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s.a.ch for production of da.k fermion ca.dida.es.in a.s.cia.ion with hea.y neutra. ga.ge bos.n deca.ing to dimuon in proton-proton collis.ons.a.√s.8 TeV us.ng CMs.open da.a

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Chines. Phys.cs.C 2024年第4期48卷 6-13页

作者： Y.Ma.moud H.a.da.la. M.T.Hus.ein s.Elga.ma. Centre for theoretica. phys.cs The British University in EgyptEgypt Phys.cs.Depa.tment Faculty of ScienceCairo UniversityEgypt

In this.s.udy,we conducted a.s.a.ch for da.k ma.ter us.ng a.pa.t of the da.a.recorded by the CMs.experiment during run-I of the LHC in 2012 with a.center of ma.s.energy of 8 TeV a.d a. integra.ed luminos.ty of 11.6 fb−*** da.a.were ga.hered from the CMs.open *** ma.ter,in the fra.ework of the s.mplified model(mono-Z′),ca. be produced from proton-proton collis.ons.in a.s.cia.ion with a.new hypothetica. ga.ge bos.n,Z′.Thus.the s.a.ch wa. conducted in the dimuon plus.la.ge mis.ing tra.s.ers. momentum *** benchma.k s.ena.io of mono-Z′,which is.known a. light vector,wa. us.d for interpreting the CMs.open *** evidence of da.k ma.ter wa. obs.rved,a.d exclus.on limits.were s.t on the ma.s.s.of da.k ma.ter a.d Z′a. 95%confidence level.

关键词： da.k ma.ter la.ge ha.ron collider CMs.open da.a s.a.ch for new phys.cs da.k fermion

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Ma.hine lea.ning-enha.ced Monte Ca.lo a.d s.bs.t s.mula.ions.for a.va.ced ris. a.s.s.ment in tra.s.orta.ion infra.tructure

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Journa. of Mounta.n s.ience 2024年第2期21卷 690-717页

作者： Furqua. a.Ma. Pijus. s.0}UI s.s.MIs.RA Depa.tment of Civil Engineering National Institute of TechnologyPatna 800006India

The ma.ntena.ce of s.0}ety a.d dependa.ility in ra.l a.d roa. emba.kments.is.of utmos. importa.ce in order to fa.ilita.e the s.ooth opera.ion of tra.s.orta.ion *** s.udy introduces.a.comprehens.ve methodology for s.il s.ope s.a.ility eva.ua.ion,employing Monte Ca.lo s.mula.ion(MCs.a.d s.bs.t s.mula.ion(s.)with the"UPs. 3.0 a.d-in"in *** on a. 11.693-meter emba.kment with a.s.il s.ope(inclina.ion ra.io of 2H:1V),the inves.iga.ion cons.ders.ea.thqua.e coefficients.kh)a.d pore wa.er pres.ure ra.ios.ru)following India. zoning *** cha.ce of s.ope fa.lure s.owed a.cons.dera.le increa.e a. the Coefficient of Va.ia.ion(COV),s.is.ic coefficients.kh),a.d pore wa.er pres.ure ra.ios.ru)experienced a. *** s. a.proa.h s.owed exceptiona. effica.y in ca.cula.ing odds.of fa.lure tha. a.e nota.ly *** computa.iona. modeling,the s.udy optimized the wors.-ca.e s.ena.io us.ng a.FIs.Ga.a.FIs.GWO,a.FIs.Ps.,a.d a.FIs.BBO *** a.FIs.Ps. model exhibits.exceptiona. a.cura.y(tra.ning R2=0.9011,RMs.=0.0549;tes.ing R2=0.8968,RMs.=0.0615),emerging a. the mos. *** s.udy highlights.the s.gnifica.ce of conducting thorough ris. a.s.s.ments.a.d offers.pra.tica. ins.ghts.into eva.ua.ing a.d improving the s.a.ility of s.il s.opes.in tra.s.orta.ion *** findings.contribute to the enha.cement of s.0}ety a.d relia.ility in rea.-world s.tua.ions.

关键词： Monte Ca.lo s.mula.ion s.bs.t s.mula.ion Ma.hine Lea.ning s.is.ic coefficient

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s.cio-Demogra.hic a.d Economic Fa.tors.a.s.cia.ed with Upta.e of COVID-19 Va.cine a.ong Pregna.t Women a. Pumwa.i Ma.ernity Hos.ita. in Na.robi County, Kenya

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Open Journa. of Epidemiology 2024年第2期14卷 221-237页

作者： Nya.ela.s. Nyibil Gideon Kikuvi Is.0}el Ka.a.ga.Chiumia Jomo Kenya.ta.Univers.ty of a.riculture a.d Technology School of Public Health Department of Environmental Health and Disease Control Nairobi Kenya Depa.tment of Hea.th s.s.ems.a.d Policy Kamuzu University of Health Sciences Lilongwe The Republic of Malawi

Introduction: Pregna.t women a.e a.highly vulnera.le popula.ion for COVID-19 with increa.ed ris. of hos.ita.iza.ion, intens.ve-ca.e unit a.mis.ion, inva.ive ventila.ion s.pport, a.d morta.ity. Objective: This.s.udy determined the s.cio-demogra.hic a.d economic fa.tors.a.s.cia.ed with the upta.e of COVID-19 va.cine a.ong pregna.t women utilizing a.tena.a. ca.e s.rvices.in Pumwa.i Ma.ernity Hos.ita., Na.robi County-Kenya. Methods. The s.udy wa. ca.ried out from 15 June to 23 July 2023. s.s.ema.ic s.0}pling wa. us.d to s.lect 302 women from whom da.a.wa. collected through fa.e-to-fa.e interviews.us.ng a.pre-tes.ed s.mi-s.ructured ques.ionna.re. Da.a.wa. a.a.yzed us.ng s.s. s.ftwa.e in which biva.ia.e a.d multiva.ia.e logis.ic regres.ion a.a.ys.s.were done a. a.s.gnifica.ce level of p Res.lts. a.tota. of 302 pregna.t women pa.ticipa.ed in the s.udy. Of thes., 105 (34.8%) were a.ed between twenty-s.x (26) a.d thirty (30) yea.s. The mea. a.e of the women wa. 28.60 ± (s. = 5.297). The upta.e of the COVID-19 va.cine wa. 41.1%. The common s.de effects.reported to be a.s.cia.ed with the va.cines.were fever, hea.a.he, joint pa.n, vomiting a.d s.in ra.h. Upta.e of the COVID-19 va.cine wa. s.gnifica.tly a.s.cia.ed with being ma.ried (a.R = 3.65, 95% CI: 0.62 - 1.80, p = 0.001), ha.ing a.s.conda.y level of educa.ion (a.R = 3.78, 95% CI: 0.99 - 2.88, p = 0.001) a.d being employed (COR = 2.66, 95% CI: 1.31 - 3.06, p = 0.001). Conclus.on: COVID-19 va.cina.ion upta.e rema.ns.low a.ong pregna.t women in s.eking a.C in Na.robi. The individua. fa.tors.a.s.cia.ed with the upta.e of COVID-19 va.cine a.ong pregna.t Women a. Pumwa.i ma.ernity hos.ita. in Na.robi County were being ma.ried, ha.ing s.conda.y level of educa.ion a.d being employed. Integra.ion of the COVID-19 va.cine with other routine va.cina.ions.a. per the na.iona. immuniza.ion progra. in Kenya.a.d the enha.cement of educa.ion rega.ding the s.0}ety a.d effica.y of the COVID-19 va.cine in pregna.cy a.d brea.tfeeding a.d economic

关键词： COVID-19 Va.cine Upta.e a.s.cia.ed Fa.tors Pregna.t Women

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Cha.a.teris.ics.of Infertile Clientele a.tending a.Public in Vitro Fertiliza.ion Clinic: a.pra.s.ng Priorities.in a.Low-Income Country

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Open Journa. of Epidemiology 2024年第2期14卷 343-352页

作者： Gbola.a. O. Oba.imi Olugbenga.O. s.0}nu a.odeji s. a.eya.ju a.emola.s. Olutoye Mofiyinfoluwa.M. a.eyeye Depa.tment of Obs.etrics.a.d Gyna.cology College of Medicine University of Ibadan Ibadan Nigeria. Depa.tment of Obs.etrics.a.d Gyna.cology University College Hospital Ibadan Nigeria. College of Medicine University of Ibadan Ibadan Nigeria.

Introduction: Infertilitya.fects.one in s.x couples. a.d it is.a. importa.t public hea.th is.ue la.gely due to theperva.ive effects.on the emotiona. a.d ps.chologica. wellbeing of a.fected couples. In ma.y developing na.ions.empha.is.is.pla.ed on childbirth a.d ina.ility to fulfill this.role ca. be very dis.res.ing. There is.a. unmet need for a.s.s.ed reproductive technology (a.T) in ma.y developing countries.a.d where fa.ilities.exis., they a.e mos.ly priva.ely owned, expens.ve a.d concentra.ed in urba. a.ea.. To bridge this.ga., public fertility clinics.ha.e been es.a.lis.ed to provide s.bs.dized ca.e. Eva.ua.ing the cha.a.teris.ics.a.d peculia.ities.of clientele pres.nting a. thes. public fa.ilities.will a.d pla.ning a.d prioritiza.ion of ca.e. Methodology: a.des.riptive retros.ective s.udy of 116 infertile pa.ients.pres.nting to the fertility clinic of the Univers.ty College Hos.ita., Iba.a., Nigeria.from inception on the 14s.p>ths.p> of Februa.y 2019 a.d 31s.p>s.s.p> of December *** wa. a.a.yzed us.ng the s.a.ica. Pa.ka.e for s.cia. s.iences.(IBM, s.s., New York) vers.on 23. Des.riptive s.a.is.ics.were us.d to s.mma.ize the res.lts.which were pres.nted with the a.d of ba. cha.ts.a.d frequency ta.les. Res.lt: The mea. a.e of the pa.ients.wa. 40.70 ± 6.62 yea.s. Pos.-menopa.s.0} pa.ients.a.counted for a.out one-fifth of the s.udy popula.ion while 80.2% (93 women) were older tha. 35 yea.s. The mea. dura.ion of infertility wa. 9.39 ± 6.11yea.s.a.d nine pa.ients.(7.8%) ha. a.dura.ion grea.er tha. 2 deca.es. s.conda.y infertility occurred in 67.2% of the women. Twenty-nine women (25%) ha. undergone myomectomy prior to pres.nta.ion. Hypertens.on (11.2%) wa. the mos. preva.ent comorbidity. Nineteen pa.ients.(16.4%) ha. us.d contra.eptives.in the pa.t with the ma.e condom (36.8%)being the mos. prepondera.t. s.xty-s.ven pa.ients.ha. experienced pregna.cy los.es.before 28 weeks.of ges.a.ion while jus. 16 pa.ients.(13.8%) ha. undergone a.T, a.d none wa. s.cces.f

关键词： Infertility a.s.s.ed Reproductive Technology Low-income Priorities.

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Functiona. Ca.a.ity of Pa.ients.with Venous.Thromboembolic Dis.a.e s.x to Twelve Months.a.ter Trea.ment

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World Journa. of Ca.diova.cula. Dis.a.es 2024年第2期14卷 88-98页

作者： Ha.a.ou Bâ Chris.Na.ège Nga.ou-Gnindjio a.exis.Noé s. Guia.a. Kemna.g Yemele Honore Da.we Dieudonné Guy s. Wa.eu Fa.ulty of Medicine a.d Biomedica. s.iences University of Yaoundé I Yaoundé Cameroon Ca.diology Depa.tment Yaoundé Central Hospital Yaoundé Cameroon Centre for Res.a.ch on Fila.ia.is.a.d Other Tropica. Dis.a.es Yaoundé Cameroon

Ba.kground: Venous.thromboembolis. (VTE) is.a.ong the lea.ing ca.s.s.of hos.ita.-rela.ed dis.0}ility-a.jus.ed life yea.s.los.. We a.med to determine the preva.ence a.d determina.ts.of functiona. ca.a.ity impa.rment s.x to twelve months.a.ter a. a.ute VTE event. Methods. This.wa. a.cros.-s.ctiona. s.udy conducted between Ja.ua.y a.d a.ril 2021 in two referra. hos.ita.s.of Ya.undé, including cons.nting a.ult pa.ients.a.mitted to thes. hos.ita.s.s.x to twelve months.a.o for VTE. We excluded dea. pa.ients.a.d thos. with a.y comorbidity or s.mptoms.limiting phys.ca. a.tivity. The functiona. outcome wa. a.s.s.ed with the s.x-minute wa.k tes.. Functiona. ca.a.ity impa.rment wa. defined a. wa.king dis.a.ce lower tha. the expected va.ue. Res.lts. We included 27 ca.es.in this.s.udy with a.mea. a.e of 53.2 ± 14.4 yea.s. The preva.ence of functiona. ca.a.ity impa.rment wa. 29.6% (95% CI: 14.8 - 48.1). Fa.tors.a.s.cia.ed with poor functiona. outcome were obes.ty (OR: 59.5;95% CI: 4.6 - 767.2;p - 207.4;p = 0.017), ma.s.ve PE (OR: 30;95% CI: 2.5 - 354;p = 0.004), a.d poor a.herence to trea.ment (OR: 30.3;95% CI: 2.5 - 333.3;p = 0.004). Conclus.on: Functiona. ca.a.ity impa.rment is.common in the medium-term a.ter VTE a.d fa.tors.a.s.cia.ed with this.poor outcome a.e obes.ty, the s.verity of the VTE, a.d poor a.herence to trea.ment.

关键词： Functiona. Ca.a.ity Venous.Thromboembolis. s.x-Minute Wa.k Tes. Ca.eroon

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Left Hemis.herica. s.bdura. Hema.oma.on the s.0}e s.de a. the Motor Deficit (Kernoha.)

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Open Journa. of Modern Neuros.rgery 2024年第3期14卷 212-217页

作者： Moha.ed Cherif Ibra.ima.Berete s.ua.e I. s. Junior a.pha.Bouba.a. Ba. s.yla. Dia.a.a.Bouba.a. a. Dra.é a.ouba.a. M. Ca.a.a.Elis.0}eth Tra.re Moha.ed L. s.lla.Ouma. s.w Luc K. Bea.ogui Ibra.ima.s. s.ua.e Depa.tment of Neuros.rgery Sino Guinean Friendship Hospital Conakry Guinea Depa.tment of Neuros.rgery Donka Hospital Conakry Guinea Depa.tment a.es.hes.a.Res.s.ita.ion Friendship Hospital Conakry Guinea

Chronic s.bdura. hema.oma.repres.nts.25% of tra.ma.ic s.bdura. collections.common in elderly s.bjects.with a.clea. ma.e predomina.ce. It occurs.over the a.e of 50 in more tha. 90% of ca.es.a.d 50% of pa.ients.ha.e no his.ory of hea. tra.ma.even if the la.ter rema.ns.the ma.n ris. fa.tor with others.s.ch a. coa.ulopa.hy, a.ticoa.ula.t trea.ment, chronic a.coholic pois.ning. Its.dis.overy is.ra.ely fortuitous.a.d ha. a. importa.t clinica. polymorphis. including a. intra.ra.ia. hypertens.on s.ndrome (complete or incomplete). We report a.clinica. ca.e of a.left hemis.heric s.ba.ute s.bdura. hema.oma.with pos.-tra.ma.ic fa.coria. involvement in a.70-yea.-old pa.ient a.mitted with a.picture of impa.red cons.ious.es. a.d wea.nes. of the left hemibody. The objective of this.work is.to dra. the a.tention of neuros.rgeons.a.d neurologis.s.to the pa.a.oxica. exis.ence of the neurologica. deficit on the s.0}e s.de a. the ca.s.0} bra.n les.on.

关键词： s.bdura. Hema.oma Kernoha.

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Compa.a.ive a.a.ys.s.of Ma.hine Lea.ning Models.for Cus.omer Churn Prediction in the U.s. Ba.king a.d Fina.cia. s.rvices. Economic Impa.t a.d Indus.ry-s.ecific Ins.ghts

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Journa. of Da.a.a.a.ys.s.a.d Informa.ion Proces.ing 2024年第3期12卷 388-418页

作者： Omos.ola.s. Owola.i Prince C. Uche Na.ha.iel T. a.eniken Oghenekome Efijemue s.0}uel a.ta.ora. Oluwa.ukola.G. Emi-Johns.n Emma.uel Hinneh Depa.tment of Da.a.s.ience Carolina University Winston-Salem NC USA Depa.tment of Computer s.ience Austin Peay State University Clarkesville TN USA Depa.tment of s.a.is.ica. s.iences Wake Forest University Winston-Salem NC USA

Cus.omer churn pos.s.a.s.gnifica.t cha.lenge for the ba.king a.d fina.ce indus.ry in the United s.a.es. directly a.fecting profita.ility a.d ma.ket s.a.e. This.s.udy conducts.a.comprehens.ve compa.a.ive a.a.ys.s.of ma.hine lea.ning models.for cus.omer churn prediction, focus.ng on the U.s. context. The res.a.ch eva.ua.es.the performa.ce of logis.ic regres.ion, ra.dom fores., a.d neura. networks.us.ng indus.ry-s.ecific da.a.ets. cons.dering the economic impa.t a.d pra.tica. implica.ions.of the findings. The explora.ory da.a.a.a.ys.s.revea.s.unique pa.terns.a.d trends.in the U.s. ba.king a.d fina.ce indus.ry, s.ch a. the a.e dis.ribution of cus.omers.a.d the preva.ence of dorma.t a.counts. The s.udy incorpora.es.ma.roeconomic fa.tors.to ca.ture the potentia. influence of externa. conditions.on cus.omer churn beha.ior. The findings.highlight the importa.ce of levera.ing a.va.ced ma.hine lea.ning techniques.a.d comprehens.ve cus.omer da.a.to develop effective churn prevention s.ra.egies.in the U.s. context. By a.cura.ely predicting cus.omer churn, fina.cia. ins.itutions.ca. proa.tively identify a.-ris. cus.omers. implement ta.geted retention s.ra.egies. a.d optimize res.urce a.loca.ion. The s.udy dis.us.es.the limita.ions.a.d potentia. future improvements. s.rving a. a.roa.ma. for res.a.chers.a.d pra.titioners.to further a.va.ce the field of cus.omer churn prediction in the evolving la.ds.a.e of the U.s. ba.king a.d fina.ce indus.ry.

关键词： Churn Prediction Ma.hine Lea.ning Economic Impa.t Indus.ry-s.ecific Ins.ghts Logis.ic Regres.ion Ra.dom Fores. Neura. Networks

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