{"id":"https://openalex.org/W1570508907","doi":"https://doi.org/10.23919/ecc.2003.7085056","title":"Why are errors-in-variables problems often tricky?","display_name":"Why are errors-in-variables problems often tricky?","publication_year":2003,"publication_date":"2003-09-01","ids":{"openalex":"https://openalex.org/W1570508907","doi":"https://doi.org/10.23919/ecc.2003.7085056","mag":"1570508907"},"language":"en","primary_location":{"id":"doi:10.23919/ecc.2003.7085056","is_oa":false,"landing_page_url":"https://doi.org/10.23919/ecc.2003.7085056","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 European Control Conference (ECC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-67841","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113448316","display_name":"Torsten S\u00f6derstr\u00f6m","orcid":null},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Torsten Soderstrom","raw_affiliation_strings":["Systems and Control, Uppsala University, Uppsala, Sweden","Systems and Control, Department of Information Technology, Uppsala University, P.O. Box 337, SE-751 05 Uppsala, Sweden#TAB#"],"affiliations":[{"raw_affiliation_string":"Systems and Control, Uppsala University, Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]},{"raw_affiliation_string":"Systems and Control, Department of Information Technology, Uppsala University, P.O. Box 337, SE-751 05 Uppsala, Sweden#TAB#","institution_ids":["https://openalex.org/I123387679"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113448316"],"corresponding_institution_ids":["https://openalex.org/I123387679"],"apc_list":null,"apc_paid":null,"fwci":3.2713,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.90736582,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"802","last_page":"807"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11236","display_name":"Control Systems and Identification","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10876","display_name":"Fault Detection and Control Systems","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/variance","display_name":"Variance (accounting)","score":0.7804950475692749},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7792460918426514},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.7060625553131104},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6580293774604797},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6071755886077881},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.6059017181396484},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5869238376617432},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4425508677959442},{"id":"https://openalex.org/keywords/noise-measurement","display_name":"Noise measurement","score":0.4279504120349884},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.37533366680145264},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31385499238967896},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3060152232646942},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.23850739002227783},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1062365174293518},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.09560883045196533},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.07362690567970276}],"concepts":[{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.7804950475692749},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7792460918426514},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.7060625553131104},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6580293774604797},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6071755886077881},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6059017181396484},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5869238376617432},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4425508677959442},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.4279504120349884},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.37533366680145264},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31385499238967896},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3060152232646942},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.23850739002227783},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1062365174293518},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.09560883045196533},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.07362690567970276},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.23919/ecc.2003.7085056","is_oa":false,"landing_page_url":"https://doi.org/10.23919/ecc.2003.7085056","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 European Control Conference (ECC)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.142.605","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.142.605","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.it.uu.se/research/reports/2002-040/2002-040-nc.ps","raw_type":"text"},{"id":"pmh:oai:DiVA.org:uu-67841","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-67841","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Report"}],"best_oa_location":{"id":"pmh:oai:DiVA.org:uu-67841","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-67841","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Report"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1586984143","https://openalex.org/W1965324089","https://openalex.org/W1983569967","https://openalex.org/W2000329349","https://openalex.org/W2020375515","https://openalex.org/W2021177008","https://openalex.org/W2047654663","https://openalex.org/W2079702803","https://openalex.org/W2095692981","https://openalex.org/W2132182426","https://openalex.org/W2319105149","https://openalex.org/W2913465992","https://openalex.org/W3042168128"],"related_works":["https://openalex.org/W4287880334","https://openalex.org/W4366700029","https://openalex.org/W4285230481","https://openalex.org/W4385769873","https://openalex.org/W4281634296","https://openalex.org/W4319161863","https://openalex.org/W3122602933","https://openalex.org/W2950038056","https://openalex.org/W1544940847","https://openalex.org/W2289285490"],"abstract_inverted_index":{"There":[0],"are":[1,27,68],"several":[2,21],"identification":[3],"methods":[4],"designed":[5],"for":[6,20,76],"the":[7,17,37,52,60,63,77,84,88,107,121],"errors-in-variables":[8],"problem.":[9],"In":[10],"this":[11,115],"paper":[12],"we":[13],"focus":[14],"on":[15],"discussing":[16],"underlying":[18],"assumptions":[19,26],"of":[22,51,62,120],"these":[23],"methods.":[24],"Some":[25],"shown":[28],"to":[29,41,80,105,113],"have":[30],"far":[31],"reaching":[32],"consequences.":[33],"For":[34],"example,":[35],"if":[36],"noise-free":[38],"input":[39,64,95],"happens":[40],"be":[42,57,74,81,98],"periodic,":[43],"simple":[44],"estimators":[45],"that":[46],"give":[47],"consistent":[48],"parameter":[49],"estimates":[50],"system":[53,78,108],"parameters":[54,109],"can":[55],"easily":[56],"designed.":[58],"If":[59],"variances":[61],"and":[65,94],"output":[66,91],"noises":[67],"unknown,":[69],"some":[70],"structural":[71],"assumption":[72],"must":[73],"added":[75],"dynamics":[79],"identifiable.":[82],"On":[83],"other":[85],"hand,":[86],"should":[87],"ratio":[89],"between":[90],"noise":[92,96],"variance":[93,97],"known,":[99],"it":[100],"is":[101],"possible":[102],"not":[103],"only":[104],"estimate":[106,119],"consistently,":[110],"but":[111],"also":[112],"combine":[114],"with":[116],"a":[117],"reasonable":[118],"unperturbed":[122],"input.":[123]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}