{"id":"https://openalex.org/W2055380587","doi":"https://doi.org/10.1016/j.jmva.2011.08.018","title":"Difference based ridge and Liu type estimators in semiparametric regression models","display_name":"Difference based ridge and Liu type estimators in semiparametric regression models","publication_year":2011,"publication_date":"2011-09-09","ids":{"openalex":"https://openalex.org/W2055380587","doi":"https://doi.org/10.1016/j.jmva.2011.08.018","mag":"2055380587"},"language":"en","primary_location":{"id":"doi:10.1016/j.jmva.2011.08.018","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jmva.2011.08.018","pdf_url":null,"source":{"id":"https://openalex.org/S133905466","display_name":"Journal of Multivariate Analysis","issn_l":"0047-259X","issn":["0047-259X","1095-7243"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Multivariate Analysis","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/A5004260284","display_name":"Esra Akden\u0131z","orcid":"https://orcid.org/0000-0002-3549-5416"},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Esra Akdeniz Duran","raw_affiliation_strings":["Department of Statistics, Gazi University, Turkey","Department of Statistics , Gazi University , Turkey"],"affiliations":[{"raw_affiliation_string":"Department of Statistics, Gazi University, Turkey","institution_ids":["https://openalex.org/I95634034"]},{"raw_affiliation_string":"Department of Statistics , Gazi University , Turkey","institution_ids":["https://openalex.org/I95634034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053742635","display_name":"Wolfgang Karl H\u00e4rdle","orcid":"https://orcid.org/0000-0001-5600-3014"},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Karl H\u00e4rdle","raw_affiliation_strings":["Center for Applied Statistics & Economics, Humboldt-Universit\u00e4t zu Berlin, Germany","Center for Applied Statistics & Economics, Humboldt-Universit\u00e4t zu Berlin, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"Center for Applied Statistics & Economics, Humboldt-Universit\u00e4t zu Berlin, Germany","institution_ids":["https://openalex.org/I39343248"]},{"raw_affiliation_string":"Center for Applied Statistics & Economics, Humboldt-Universit\u00e4t zu Berlin, Germany#TAB#","institution_ids":["https://openalex.org/I39343248"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072791154","display_name":"Maria Osipenko","orcid":"https://orcid.org/0000-0002-1719-0379"},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Maria Osipenko","raw_affiliation_strings":["CASE, School of Business and Economics, Humboldt-Universi\u00e4t zu Berlin, Unter den Linden 6, 10099, Germany","CASE, School of Business and Economics, Humboldt-Universi\u00e4t zu Berlin, Unter den Linden 6, 10099, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"CASE, School of Business and Economics, Humboldt-Universi\u00e4t zu Berlin, Unter den Linden 6, 10099, Germany","institution_ids":["https://openalex.org/I39343248"]},{"raw_affiliation_string":"CASE, School of Business and Economics, Humboldt-Universi\u00e4t zu Berlin, Unter den Linden 6, 10099, Germany#TAB#","institution_ids":["https://openalex.org/I39343248"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072791154"],"corresponding_institution_ids":["https://openalex.org/I39343248"],"apc_list":{"value":3060,"currency":"USD","value_usd":3060},"apc_paid":null,"fwci":6.52,"has_fulltext":false,"cited_by_count":79,"citation_normalized_percentile":{"value":0.97136697,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"105","issue":"1","first_page":"164","last_page":"175"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11871","display_name":"Advanced Statistical Methods and Models","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9986000061035156,"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/T11443","display_name":"Advanced Statistical Process Monitoring","score":0.9854000210762024,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8757930994033813},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7832205295562744},{"id":"https://openalex.org/keywords/autocovariance","display_name":"Autocovariance","score":0.7396894693374634},{"id":"https://openalex.org/keywords/heteroscedasticity","display_name":"Heteroscedasticity","score":0.6460180282592773},{"id":"https://openalex.org/keywords/semiparametric-regression","display_name":"Semiparametric regression","score":0.6142746806144714},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.5883656144142151},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.5497770309448242},{"id":"https://openalex.org/keywords/semiparametric-model","display_name":"Semiparametric model","score":0.512923002243042},{"id":"https://openalex.org/keywords/linear-regression","display_name":"Linear regression","score":0.4539704918861389},{"id":"https://openalex.org/keywords/regression","display_name":"Regression","score":0.4385557770729065},{"id":"https://openalex.org/keywords/ridge","display_name":"Ridge","score":0.43786856532096863},{"id":"https://openalex.org/keywords/bootstrapping","display_name":"Bootstrapping (finance)","score":0.42474284768104553},{"id":"https://openalex.org/keywords/regression-analysis","display_name":"Regression analysis","score":0.41805827617645264},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.40248751640319824},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.06226909160614014}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8757930994033813},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7832205295562744},{"id":"https://openalex.org/C88271906","wikidata":"https://www.wikidata.org/wiki/Q786973","display_name":"Autocovariance","level":3,"score":0.7396894693374634},{"id":"https://openalex.org/C101104100","wikidata":"https://www.wikidata.org/wiki/Q1063540","display_name":"Heteroscedasticity","level":2,"score":0.6460180282592773},{"id":"https://openalex.org/C19539793","wikidata":"https://www.wikidata.org/wiki/Q7449609","display_name":"Semiparametric regression","level":3,"score":0.6142746806144714},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.5883656144142151},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.5497770309448242},{"id":"https://openalex.org/C78297888","wikidata":"https://www.wikidata.org/wiki/Q7449607","display_name":"Semiparametric model","level":3,"score":0.512923002243042},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.4539704918861389},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.4385557770729065},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.43786856532096863},{"id":"https://openalex.org/C207609745","wikidata":"https://www.wikidata.org/wiki/Q4944086","display_name":"Bootstrapping (finance)","level":2,"score":0.42474284768104553},{"id":"https://openalex.org/C152877465","wikidata":"https://www.wikidata.org/wiki/Q208042","display_name":"Regression analysis","level":2,"score":0.41805827617645264},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.40248751640319824},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.06226909160614014},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.jmva.2011.08.018","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jmva.2011.08.018","pdf_url":null,"source":{"id":"https://openalex.org/S133905466","display_name":"Journal of Multivariate Analysis","issn_l":"0047-259X","issn":["0047-259X","1095-7243"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Multivariate Analysis","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W135795571","https://openalex.org/W565133926","https://openalex.org/W638544165","https://openalex.org/W1576686186","https://openalex.org/W1598266570","https://openalex.org/W1824682467","https://openalex.org/W1974978855","https://openalex.org/W1982171259","https://openalex.org/W1990593655","https://openalex.org/W2001424819","https://openalex.org/W2029419398","https://openalex.org/W2030351330","https://openalex.org/W2037430361","https://openalex.org/W2042089645","https://openalex.org/W2047028564","https://openalex.org/W2050117464","https://openalex.org/W2059813665","https://openalex.org/W2083123688","https://openalex.org/W2086449111","https://openalex.org/W2088912739","https://openalex.org/W2092297269","https://openalex.org/W2101950184","https://openalex.org/W2117178635","https://openalex.org/W2140286963","https://openalex.org/W2314246804","https://openalex.org/W2403035479","https://openalex.org/W2796930440","https://openalex.org/W2796941408","https://openalex.org/W2903607238","https://openalex.org/W3023906401","https://openalex.org/W3102998043","https://openalex.org/W3140916703","https://openalex.org/W4206495155","https://openalex.org/W4234698323","https://openalex.org/W4244637328","https://openalex.org/W4294570726","https://openalex.org/W4300579247","https://openalex.org/W4302599714"],"related_works":["https://openalex.org/W4317551319","https://openalex.org/W2755085875","https://openalex.org/W2189458496","https://openalex.org/W3123217622","https://openalex.org/W3151010055","https://openalex.org/W1532780914","https://openalex.org/W3125245799","https://openalex.org/W3122686941","https://openalex.org/W2026556990","https://openalex.org/W2090382595"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":11},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}