{"id":"https://openalex.org/W4409569693","doi":"https://doi.org/10.1002/qre.3785","title":"Monitoring the Coefficient of Variation Using a Synthetic Exponentially Weighted Moving Average Chart","display_name":"Monitoring the Coefficient of Variation Using a Synthetic Exponentially Weighted Moving Average Chart","publication_year":2025,"publication_date":"2025-04-18","ids":{"openalex":"https://openalex.org/W4409569693","doi":"https://doi.org/10.1002/qre.3785"},"language":"en","primary_location":{"id":"doi:10.1002/qre.3785","is_oa":false,"landing_page_url":"https://doi.org/10.1002/qre.3785","pdf_url":null,"source":{"id":"https://openalex.org/S165633816","display_name":"Quality and Reliability Engineering International","issn_l":"0748-8017","issn":["0748-8017","1099-1638"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quality and Reliability Engineering International","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5117203306","display_name":"Bryan Chek Hui Thien","orcid":null},"institutions":[{"id":"https://openalex.org/I84339108","display_name":"Sunway University","ror":"https://ror.org/04mjt7f73","country_code":"MY","type":"education","lineage":["https://openalex.org/I84339108"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Bryan Chek Hui Thien","raw_affiliation_strings":["School of Mathematical Sciences Sunway University  Petaling Jaya Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematical Sciences Sunway University  Petaling Jaya Malaysia","institution_ids":["https://openalex.org/I84339108"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054074269","display_name":"Wai Chung Yeong","orcid":"https://orcid.org/0000-0002-0579-6621"},"institutions":[{"id":"https://openalex.org/I173029219","display_name":"Multimedia University","ror":"https://ror.org/04zrbnc33","country_code":"MY","type":"education","lineage":["https://openalex.org/I173029219"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Wai Chung Yeong","raw_affiliation_strings":["Faculty of Computing &amp; Informatics Multimedia University Persiaran Multimedia  Cyberjaya Malaysia"],"raw_orcid":"https://orcid.org/0000-0002-0579-6621","affiliations":[{"raw_affiliation_string":"Faculty of Computing &amp; Informatics Multimedia University Persiaran Multimedia  Cyberjaya Malaysia","institution_ids":["https://openalex.org/I173029219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061975158","display_name":"Sok Li Lim","orcid":"https://orcid.org/0000-0003-3554-6874"},"institutions":[{"id":"https://openalex.org/I4210143550","display_name":"Taylor's University","ror":"https://ror.org/0498pcx51","country_code":"MY","type":"education","lineage":["https://openalex.org/I4210143550"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Sok Li Lim","raw_affiliation_strings":["School of Accounting and Finance Faculty of Business &amp; Law Taylor's University Jalan Taylors  Subang Jaya Selangor Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Accounting and Finance Faculty of Business &amp; Law Taylor's University Jalan Taylors  Subang Jaya Selangor Malaysia","institution_ids":["https://openalex.org/I4210143550"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004325867","display_name":"Zhi Lin Chong","orcid":"https://orcid.org/0000-0001-5670-6043"},"institutions":[{"id":"https://openalex.org/I931681460","display_name":"Universiti Tunku Abdul Rahman","ror":"https://ror.org/050pq4m56","country_code":"MY","type":"education","lineage":["https://openalex.org/I931681460"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Zhi Lin Chong","raw_affiliation_strings":["Department of Electronic Engineering Faculty of Engineering and Green Technology Universiti Tunku Abdul Rahman Jalan Universiti  Kampar Malaysia"],"raw_orcid":"https://orcid.org/0000-0001-5670-6043","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering Faculty of Engineering and Green Technology Universiti Tunku Abdul Rahman Jalan Universiti  Kampar Malaysia","institution_ids":["https://openalex.org/I931681460"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040725427","display_name":"Michael B. C. Khoo","orcid":"https://orcid.org/0000-0002-3245-1127"},"institutions":[{"id":"https://openalex.org/I139322472","display_name":"Universiti Sains Malaysia","ror":"https://ror.org/02rgb2k63","country_code":"MY","type":"education","lineage":["https://openalex.org/I139322472"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Michael B. C. Khoo","raw_affiliation_strings":["School of Mathematical Sciences Universiti Sains Malaysia  Penang Malaysia"],"raw_orcid":"https://orcid.org/0000-0002-3245-1127","affiliations":[{"raw_affiliation_string":"School of Mathematical Sciences Universiti Sains Malaysia  Penang Malaysia","institution_ids":["https://openalex.org/I139322472"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5054074269"],"corresponding_institution_ids":["https://openalex.org/I173029219"],"apc_list":{"value":4330,"currency":"USD","value_usd":4330},"apc_paid":null,"fwci":2.7656,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.91462307,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"41","issue":"6","first_page":"2481","last_page":"2494"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11443","display_name":"Advanced Statistical Process Monitoring","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11443","display_name":"Advanced Statistical Process Monitoring","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","score":0.9872999787330627,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11871","display_name":"Advanced Statistical Methods and Models","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coefficient-of-variation","display_name":"Coefficient of variation","score":0.6814699172973633},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.6407579183578491},{"id":"https://openalex.org/keywords/chart","display_name":"Chart","score":0.6155533194541931},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5112831592559814},{"id":"https://openalex.org/keywords/variation","display_name":"Variation (astronomy)","score":0.5063260793685913},{"id":"https://openalex.org/keywords/control-chart","display_name":"Control chart","score":0.4789767265319824},{"id":"https://openalex.org/keywords/ewma-chart","display_name":"EWMA chart","score":0.47255441546440125},{"id":"https://openalex.org/keywords/moving-average","display_name":"Moving average","score":0.42395728826522827},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.31139498949050903},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08568930625915527}],"concepts":[{"id":"https://openalex.org/C89838059","wikidata":"https://www.wikidata.org/wiki/Q623738","display_name":"Coefficient of variation","level":2,"score":0.6814699172973633},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.6407579183578491},{"id":"https://openalex.org/C190812933","wikidata":"https://www.wikidata.org/wiki/Q28923","display_name":"Chart","level":2,"score":0.6155533194541931},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5112831592559814},{"id":"https://openalex.org/C2778334786","wikidata":"https://www.wikidata.org/wiki/Q1586270","display_name":"Variation (astronomy)","level":2,"score":0.5063260793685913},{"id":"https://openalex.org/C196985124","wikidata":"https://www.wikidata.org/wiki/Q1369242","display_name":"Control chart","level":3,"score":0.4789767265319824},{"id":"https://openalex.org/C74746147","wikidata":"https://www.wikidata.org/wiki/Q5324652","display_name":"EWMA chart","level":4,"score":0.47255441546440125},{"id":"https://openalex.org/C175706884","wikidata":"https://www.wikidata.org/wiki/Q1130194","display_name":"Moving average","level":2,"score":0.42395728826522827},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.31139498949050903},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08568930625915527},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1002/qre.3785","is_oa":false,"landing_page_url":"https://doi.org/10.1002/qre.3785","pdf_url":null,"source":{"id":"https://openalex.org/S165633816","display_name":"Quality and Reliability Engineering International","issn_l":"0748-8017","issn":["0748-8017","1099-1638"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quality and Reliability Engineering International","raw_type":"journal-article"},{"id":"pmh:oai:shdl.mmu.edu.my:13761","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196753","display_name":"Siti Hasmah Digital Library-MMU Institutiona Repository (Multimedia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I173029219","host_organization_name":"Multimedia University","host_organization_lineage":["https://openalex.org/I173029219"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W102681430","https://openalex.org/W159638240","https://openalex.org/W1964381225","https://openalex.org/W1973601138","https://openalex.org/W1982010548","https://openalex.org/W2037355157","https://openalex.org/W2059523379","https://openalex.org/W2062573385","https://openalex.org/W2083387921","https://openalex.org/W2089931550","https://openalex.org/W2152991280","https://openalex.org/W2154602821","https://openalex.org/W2591358774","https://openalex.org/W2765232457","https://openalex.org/W2769372216","https://openalex.org/W2801336698","https://openalex.org/W2892952886","https://openalex.org/W2922473831","https://openalex.org/W2923658402","https://openalex.org/W2970857172","https://openalex.org/W3126068128","https://openalex.org/W3183969548","https://openalex.org/W3187587412","https://openalex.org/W3212047129","https://openalex.org/W4200432173","https://openalex.org/W4205429481","https://openalex.org/W4223530127","https://openalex.org/W4225114564","https://openalex.org/W4226502655","https://openalex.org/W4240371190","https://openalex.org/W4284674218","https://openalex.org/W4285288635","https://openalex.org/W4285730680","https://openalex.org/W4293203374","https://openalex.org/W4300958080","https://openalex.org/W4312249094","https://openalex.org/W4312800983","https://openalex.org/W4321374618","https://openalex.org/W4327747995","https://openalex.org/W4362734581","https://openalex.org/W4367319379","https://openalex.org/W4385340868","https://openalex.org/W4385755495","https://openalex.org/W4387703265","https://openalex.org/W4389786595","https://openalex.org/W6733853118"],"related_works":["https://openalex.org/W2022867152","https://openalex.org/W2048800900","https://openalex.org/W3006471751","https://openalex.org/W2410415934","https://openalex.org/W2126524872","https://openalex.org/W3201367114","https://openalex.org/W2360776031","https://openalex.org/W1982010548","https://openalex.org/W4245271849","https://openalex.org/W3167096866"],"abstract_inverted_index":{"ABSTRACT":[0],"Coefficient":[1],"of":[2,88,108,116],"variation":[3],"(":[4,21,30],"\u03b3":[5,48,56,68,79,147],")":[6,23,32],"charts":[7,49,148],"are":[8],"widely":[9],"adopted":[10],"in":[11],"many":[12],"industries":[13],"to":[14,94,140],"monitor":[15],"processes":[16],"without":[17],"a":[18,27,156],"consistent":[19],"mean":[20],"\u03bc":[22,37],"and":[24,45,62,121,127,145],"which":[25],"has":[26],"standard":[28,114],"deviation":[29,115],"\u03c3":[31],"that":[33,131],"is":[34,58,81,138,159],"dependent":[35],"on":[36,155],".":[38],"The":[39,135],"exponentially":[40],"weighted":[41],"moving":[42],"average":[43,110,123],"(EWMA)":[44],"synthetic":[46,67,146],"(Syn)":[47],"show":[50],"different":[51],"strengths,":[52],"where":[53,83],"the":[54,66,77,86,95,100,106,109,117,142,153],"EWMA":[55],"chart":[57,69,80,137],"sensitive":[59],"toward":[60,73],"small":[61],"moderate":[63],"shifts,":[64],"while":[65],"shows":[70],"better":[71],"sensitivities":[72],"large":[74],"shifts.":[75,151],"Hence,":[76],"Syn\u2010EWMA":[78],"proposed,":[82],"it":[84],"combines":[85],"features":[87],"both":[89],"charts.":[90],"This":[91],"paper":[92],"contributes":[93],"literature":[96],"by":[97],"(i)":[98],"developing":[99],"proposed":[101,136],"chart's":[102],"operations;":[103],"(ii)":[104],"deriving":[105],"formulae":[107],"run":[111,118,124],"length":[112,119,125],"(ARL),":[113],"(SDRL),":[120],"expected":[122],"(EARL);":[126],"(iii)":[128],"formulating":[129],"algorithms":[130],"optimize":[132],"its":[133],"performance.":[134],"shown":[139],"outperform":[141],"Shewhart,":[143],"EWMA,":[144],"across":[149],"all":[150],"Lastly,":[152],"implementation":[154],"sintering":[157],"process":[158],"shown.":[160]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2025-10-10T00:00:00"}
