{"id":"https://openalex.org/W2991404495","doi":"https://doi.org/10.1109/ichi.2019.8904666","title":"XGBoost Imputation for Time Series Data","display_name":"XGBoost Imputation for Time Series Data","publication_year":2019,"publication_date":"2019-06-01","ids":{"openalex":"https://openalex.org/W2991404495","doi":"https://doi.org/10.1109/ichi.2019.8904666","mag":"2991404495"},"language":"en","primary_location":{"id":"doi:10.1109/ichi.2019.8904666","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ichi.2019.8904666","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Healthcare Informatics (ICHI)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5074003488","display_name":"Xinmeng Zhang","orcid":"https://orcid.org/0000-0002-3983-2635"},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"education","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xinmeng Zhang","raw_affiliation_strings":["Vanderbilt University,Department of EECS","Department of EECS, Vanderbilt University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vanderbilt University,Department of EECS","institution_ids":["https://openalex.org/I200719446"]},{"raw_affiliation_string":"Department of EECS, Vanderbilt University","institution_ids":["https://openalex.org/I200719446"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002556086","display_name":"Chao Yan","orcid":"https://orcid.org/0000-0002-6719-1388"},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"education","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chao Yan","raw_affiliation_strings":["Vanderbilt University,Department of EECS","Department of EECS, Vanderbilt University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vanderbilt University,Department of EECS","institution_ids":["https://openalex.org/I200719446"]},{"raw_affiliation_string":"Department of EECS, Vanderbilt University","institution_ids":["https://openalex.org/I200719446"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044112648","display_name":"Cheng Gao","orcid":"https://orcid.org/0000-0002-5830-3739"},"institutions":[{"id":"https://openalex.org/I901861585","display_name":"Vanderbilt University Medical Center","ror":"https://ror.org/05dq2gs74","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210162197","https://openalex.org/I901861585"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Cheng Gao","raw_affiliation_strings":["Vanderbilt University Medical Center,Department of Biomedical Informatics","Department of Biomedical Informatics, Vanderbilt University Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vanderbilt University Medical Center,Department of Biomedical Informatics","institution_ids":["https://openalex.org/I901861585"]},{"raw_affiliation_string":"Department of Biomedical Informatics, Vanderbilt University Medical Center","institution_ids":["https://openalex.org/I901861585"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090647314","display_name":"Bradley Malin","orcid":"https://orcid.org/0000-0003-3040-5175"},"institutions":[{"id":"https://openalex.org/I901861585","display_name":"Vanderbilt University Medical Center","ror":"https://ror.org/05dq2gs74","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210162197","https://openalex.org/I901861585"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bradley Malin","raw_affiliation_strings":["Vanderbilt University Medical Center,Department of Biomedical Informatics","Department of Biomedical Informatics, Vanderbilt University Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vanderbilt University Medical Center,Department of Biomedical Informatics","institution_ids":["https://openalex.org/I901861585"]},{"raw_affiliation_string":"Department of Biomedical Informatics, Vanderbilt University Medical Center","institution_ids":["https://openalex.org/I901861585"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100714052","display_name":"You Chen","orcid":"https://orcid.org/0000-0001-8232-8840"},"institutions":[{"id":"https://openalex.org/I901861585","display_name":"Vanderbilt University Medical Center","ror":"https://ror.org/05dq2gs74","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210162197","https://openalex.org/I901861585"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"You Chen","raw_affiliation_strings":["Vanderbilt University Medical Center,Department of Biomedical Informatics","Department of Biomedical Informatics, Vanderbilt University Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vanderbilt University Medical Center,Department of Biomedical Informatics","institution_ids":["https://openalex.org/I901861585"]},{"raw_affiliation_string":"Department of Biomedical Informatics, Vanderbilt University Medical Center","institution_ids":["https://openalex.org/I901861585"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13702","display_name":"Machine Learning in Healthcare","score":0.9979000091552734,"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"}},"topics":[{"id":"https://openalex.org/T13702","display_name":"Machine Learning in Healthcare","score":0.9979000091552734,"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"}},{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.986299991607666,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.9747999906539917,"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/missing-data","display_name":"Missing data","score":0.8382192850112915},{"id":"https://openalex.org/keywords/imputation","display_name":"Imputation (statistics)","score":0.8073587417602539},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7452441453933716},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5903634428977966},{"id":"https://openalex.org/keywords/completeness","display_name":"Completeness (order theory)","score":0.5166254639625549},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.4624614417552948},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.4600418210029602},{"id":"https://openalex.org/keywords/data-quality","display_name":"Data quality","score":0.4382946789264679},{"id":"https://openalex.org/keywords/informatics","display_name":"Informatics","score":0.42088478803634644},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4127691388130188},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3740319013595581},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.37259262800216675},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09464865922927856},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09091982245445251},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.06974866986274719}],"concepts":[{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.8382192850112915},{"id":"https://openalex.org/C58041806","wikidata":"https://www.wikidata.org/wiki/Q1660484","display_name":"Imputation (statistics)","level":3,"score":0.8073587417602539},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7452441453933716},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5903634428977966},{"id":"https://openalex.org/C17231256","wikidata":"https://www.wikidata.org/wiki/Q5156540","display_name":"Completeness (order theory)","level":2,"score":0.5166254639625549},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.4624614417552948},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.4600418210029602},{"id":"https://openalex.org/C24756922","wikidata":"https://www.wikidata.org/wiki/Q1757694","display_name":"Data quality","level":3,"score":0.4382946789264679},{"id":"https://openalex.org/C191630685","wikidata":"https://www.wikidata.org/wiki/Q4027615","display_name":"Informatics","level":2,"score":0.42088478803634644},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4127691388130188},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3740319013595581},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.37259262800216675},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09464865922927856},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09091982245445251},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.06974866986274719},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ichi.2019.8904666","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ichi.2019.8904666","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Healthcare Informatics (ICHI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2113559481","https://openalex.org/W2115098571","https://openalex.org/W2146130798","https://openalex.org/W2295598076","https://openalex.org/W2396881363","https://openalex.org/W2510090379","https://openalex.org/W2741416490","https://openalex.org/W2771817472","https://openalex.org/W2949419207","https://openalex.org/W3003365835","https://openalex.org/W3102476541","https://openalex.org/W6641162989","https://openalex.org/W6682042988"],"related_works":["https://openalex.org/W2181530120","https://openalex.org/W4211215373","https://openalex.org/W2024529227","https://openalex.org/W1574575415","https://openalex.org/W3144172081","https://openalex.org/W3179858851","https://openalex.org/W3028371478","https://openalex.org/W2081476516","https://openalex.org/W2581984549","https://openalex.org/W3123177881"],"abstract_inverted_index":{"Data":[0],"quality":[1],"plays":[2],"an":[3],"important":[4],"role":[5],"in":[6,37],"the":[7,14,22,54],"data-driven":[8],"based":[9],"biomedical":[10],"informatics":[11],"research":[12,18,38],"because":[13],"effectiveness":[15],"of":[16,24,30],"these":[17],"heavily":[19],"relies":[20],"on":[21],"completeness":[23],"data":[25,55],"being":[26],"collected.":[27],"The":[28],"problem":[29],"missing":[31,58,77],"values,":[32],"however,":[33],"is":[34,60,79],"commonly":[35],"encountered":[36],"practice,":[39],"which":[40],"impedes":[41],"researchers":[42],"to":[43,82],"build":[44],"accurate":[45,76],"models":[46],"and":[47],"then":[48],"make":[49],"reasonable":[50],"decisions.":[51],"Simply":[52],"removing":[53],"instances":[56],"having":[57],"value(s)":[59],"a":[61,80],"candidate":[62],"strategy,":[63],"but":[64],"risks":[65],"incorporating":[66],"biases":[67],"or":[68],"even":[69],"yielding":[70],"incorrect":[71],"models.":[72,87],"[1].":[73],"Thus,":[74],"imputing":[75],"values":[78],"prerequisite":[81],"training":[83],"good":[84],"machine":[85],"learning":[86]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}