{"id":"https://openalex.org/W4408998177","doi":"https://doi.org/10.3390/axioms14040261","title":"Robust S\u00e4rndal-Type Mean Estimators with Re-Descending Coefficients","display_name":"Robust S\u00e4rndal-Type Mean Estimators with Re-Descending Coefficients","publication_year":2025,"publication_date":"2025-03-29","ids":{"openalex":"https://openalex.org/W4408998177","doi":"https://doi.org/10.3390/axioms14040261"},"language":"en","primary_location":{"id":"doi:10.3390/axioms14040261","is_oa":true,"landing_page_url":"https://doi.org/10.3390/axioms14040261","pdf_url":"https://www.mdpi.com/2075-1680/14/4/261/pdf?version=1743412162","source":{"id":"https://openalex.org/S4210173132","display_name":"Axioms","issn_l":"2075-1680","issn":["2075-1680"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Axioms","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2075-1680/14/4/261/pdf?version=1743412162","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5081682745","display_name":"Khudhayr A. Rashedi","orcid":"https://orcid.org/0000-0003-1409-1794"},"institutions":[{"id":"https://openalex.org/I4210088963","display_name":"University of Ha'il","ror":"https://ror.org/013w98a82","country_code":"SA","type":"education","lineage":["https://openalex.org/I4210088963"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Khudhayr A. Rashedi","raw_affiliation_strings":["Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]},{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087264310","display_name":"Alanazi Talal Abdulrahman","orcid":"https://orcid.org/0000-0002-4576-2354"},"institutions":[{"id":"https://openalex.org/I4210088963","display_name":"University of Ha'il","ror":"https://ror.org/013w98a82","country_code":"SA","type":"education","lineage":["https://openalex.org/I4210088963"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Alanazi Talal Abdulrahman","raw_affiliation_strings":["Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0002-4576-2354","affiliations":[{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]},{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053886554","display_name":"Tariq S. Alshammari","orcid":null},"institutions":[{"id":"https://openalex.org/I4210088963","display_name":"University of Ha'il","ror":"https://ror.org/013w98a82","country_code":"SA","type":"education","lineage":["https://openalex.org/I4210088963"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Tariq S. Alshammari","raw_affiliation_strings":["Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]},{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Khalid M. K. Alshammari","orcid":"https://orcid.org/0000-0003-1603-3651"},"institutions":[{"id":"https://openalex.org/I4210088963","display_name":"University of Ha'il","ror":"https://ror.org/013w98a82","country_code":"SA","type":"education","lineage":["https://openalex.org/I4210088963"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Khalid M. K. Alshammari","raw_affiliation_strings":["Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0003-1603-3651","affiliations":[{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha\u2019il, Ha\u2019il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]},{"raw_affiliation_string":"Department of Mathematics, College of Science, University of Ha'il, Ha'il 81481, Saudi Arabia","institution_ids":["https://openalex.org/I4210088963"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024125414","display_name":"Usman Shahzad","orcid":"https://orcid.org/0000-0002-0178-5298"},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Usman Shahzad","raw_affiliation_strings":["Department of Management Science, College of Business Administration, Hunan University, Changsha 410082, China"],"raw_orcid":"https://orcid.org/0000-0002-0178-5298","affiliations":[{"raw_affiliation_string":"Department of Management Science, College of Business Administration, Hunan University, Changsha 410082, China","institution_ids":["https://openalex.org/I16609230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076420598","display_name":"Javid Shabbir","orcid":"https://orcid.org/0000-0002-0035-7072"},"institutions":[{"id":"https://openalex.org/I192891849","display_name":"University of Wah","ror":"https://ror.org/020we4134","country_code":"PK","type":"education","lineage":["https://openalex.org/I192891849"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Javid Shabbir","raw_affiliation_strings":["Department of Statistics, University of Wah, Rawalpindi 47040, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Statistics, University of Wah, Rawalpindi 47040, Pakistan","institution_ids":["https://openalex.org/I192891849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004305859","display_name":"Tahir Mehmood","orcid":"https://orcid.org/0000-0001-9775-8093"},"institutions":[{"id":"https://openalex.org/I929597975","display_name":"National University of Sciences and Technology","ror":"https://ror.org/03w2j5y17","country_code":"PK","type":"education","lineage":["https://openalex.org/I929597975"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Tahir Mehmood","raw_affiliation_strings":["School of Natural Science (SNS), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Natural Science (SNS), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan","institution_ids":["https://openalex.org/I929597975"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040424591","display_name":"Ishfaq Ahmad","orcid":"https://orcid.org/0000-0002-1124-7485"},"institutions":[{"id":"https://openalex.org/I121243025","display_name":"International Islamic University, Islamabad","ror":"https://ror.org/047w75g40","country_code":"PK","type":"education","lineage":["https://openalex.org/I121243025"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Ishfaq Ahmad","raw_affiliation_strings":["Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan"],"raw_orcid":"https://orcid.org/0000-0002-1124-7485","affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan","institution_ids":["https://openalex.org/I121243025"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5024125414"],"corresponding_institution_ids":["https://openalex.org/I16609230"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":4.1329,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.92661518,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"14","issue":"4","first_page":"261","last_page":"261"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11871","display_name":"Advanced Statistical Methods and Models","score":0.8399999737739563,"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"}},"topics":[{"id":"https://openalex.org/T11871","display_name":"Advanced Statistical Methods and Models","score":0.8399999737739563,"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"}},{"id":"https://openalex.org/T12135","display_name":"Fuzzy Systems and Optimization","score":0.7865999937057495,"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"}},{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.7523000240325928,"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/estimator","display_name":"Estimator","score":0.6645215749740601},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5946232080459595},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.48215052485466003},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.47768646478652954},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.33358654379844666},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.14264589548110962}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6645215749740601},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5946232080459595},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.48215052485466003},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.47768646478652954},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.33358654379844666},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.14264589548110962},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/axioms14040261","is_oa":true,"landing_page_url":"https://doi.org/10.3390/axioms14040261","pdf_url":"https://www.mdpi.com/2075-1680/14/4/261/pdf?version=1743412162","source":{"id":"https://openalex.org/S4210173132","display_name":"Axioms","issn_l":"2075-1680","issn":["2075-1680"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Axioms","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:264d96c676be4a058fb0298234362fbe","is_oa":true,"landing_page_url":"https://doaj.org/article/264d96c676be4a058fb0298234362fbe","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Axioms, Vol 14, Iss 4, p 261 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/axioms14040261","is_oa":true,"landing_page_url":"https://doi.org/10.3390/axioms14040261","pdf_url":"https://www.mdpi.com/2075-1680/14/4/261/pdf?version=1743412162","source":{"id":"https://openalex.org/S4210173132","display_name":"Axioms","issn_l":"2075-1680","issn":["2075-1680"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Axioms","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6098396125","display_name":null,"funder_award_id":"RG-24067","funder_id":"https://openalex.org/F4320325395","funder_display_name":"University of Hail"}],"funders":[{"id":"https://openalex.org/F4320325395","display_name":"University of Hail","ror":"https://ror.org/013w98a82"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4408998177.pdf"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W2033894760","https://openalex.org/W2105178392","https://openalex.org/W2148526145","https://openalex.org/W2185034430","https://openalex.org/W2483675240","https://openalex.org/W2884480850","https://openalex.org/W3159388328","https://openalex.org/W3217465674","https://openalex.org/W4200555356","https://openalex.org/W4249736682","https://openalex.org/W4280634072","https://openalex.org/W4296588400","https://openalex.org/W4311661209","https://openalex.org/W4385223541","https://openalex.org/W4393193236","https://openalex.org/W4399322719","https://openalex.org/W4399574742","https://openalex.org/W4402200516","https://openalex.org/W4404596715","https://openalex.org/W4405700128","https://openalex.org/W4406175097","https://openalex.org/W4406485058","https://openalex.org/W6679838677","https://openalex.org/W6763442306"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W4245953108","https://openalex.org/W1977619534","https://openalex.org/W2236763869","https://openalex.org/W2097626286","https://openalex.org/W4293568347","https://openalex.org/W2808230936","https://openalex.org/W2023659367"],"abstract_inverted_index":{"When":[0],"extreme":[1,48],"values":[2,49],"or":[3],"outliers":[4],"occur":[5],"in":[6,93],"asymmetric":[7],"datasets,":[8],"conventional":[9],"mean":[10,28,52,96],"estimation":[11,53],"methods":[12],"suffer":[13],"from":[14,66],"low":[15],"accuracy":[16,54],"and":[17,44,77,100,109,123],"reliability.":[18],"This":[19],"study":[20],"introduces":[21],"a":[22],"novel":[23],"class":[24],"of":[25,40,47,89,95,112],"robust":[26,41],"S\u00e4rndal-type":[27],"estimators":[29,35,92,114],"utilizing":[30],"re-descending":[31,64],"M-estimator":[32],"coefficients.":[33],"These":[34],"effectively":[36],"combine":[37],"the":[38,45,90,106],"benefits":[39],"regression":[42],"techniques":[43],"integration":[46],"to":[50],"improve":[51],"under":[55],"simple":[56],"random":[57],"sampling.":[58],"The":[59],"proposed":[60,91],"methodology":[61],"leverages":[62],"distinct":[63],"coefficients":[65],"prior":[67],"studies.":[68],"Performance":[69],"evaluation":[70],"is":[71],"conducted":[72],"using":[73],"three":[74,78],"real-world":[75],"datasets":[76,81],"synthetically":[79],"generated":[80],"containing":[82],"outliers,":[83],"with":[84],"results":[85],"indicating":[86],"superior":[87],"performance":[88],"terms":[94],"squared":[97],"error":[98],"(MSE)":[99],"percentage":[101],"relative":[102],"efficiency":[103],"(PRE).":[104],"Hence,":[105],"robustness,":[107],"adaptability,":[108],"practical":[110],"importance":[111],"these":[113,118],"are":[115],"illustrated":[116],"by":[117],"findings":[119],"for":[120,126],"survey":[121],"sampling":[122],"more":[124],"generally":[125],"data-intensive":[127],"contexts.":[128]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
