Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2060755763', 'doi': 'https://doi.org/10.1002/sim.3429', 'title': 'An <i>R</i><sup>2</sup> statistic for fixed effects in the linear mixed model', 'display_name': 'An <i>R</i><sup>2</sup> statistic for fixed effects in the linear mixed model', 'publication_year': 2008, 'publication_date': '2008-09-24', 'ids': {'openalex': 'https://openalex.org/W2060755763', 'doi': 'https://doi.org/10.1002/sim.3429', 'mag': '2060755763', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/18816511', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/2587505'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/sim.3429', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S55189604', 'display_name': 'Statistics in Medicine', 'issn_l': '0277-6715', 'issn': ['0277-6715', '1097-0258'], '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://europepmc.org/articles/pmc2587505?pdf=render', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5077604995', 'display_name': 'Lloyd J. Edwards', 'orcid': 'https://orcid.org/0000-0002-7788-4575'}, 'institutions': [{'id': 'https://openalex.org/I114027177', 'display_name': 'University of North Carolina at Chapel Hill', 'ror': 'https://ror.org/0130frc33', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I114027177']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Lloyd J. Edwards', 'raw_affiliation_strings': ['Department of Biostatistics, School of Public Health, CB# 7420, The University of North Carolina, Chapel Hill, NC 27599, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Biostatistics, School of Public Health, CB# 7420, The University of North Carolina, Chapel Hill, NC 27599, U.S.A.', 'institution_ids': ['https://openalex.org/I114027177']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5110163574', 'display_name': 'Keith E. Muller', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I33213144', 'display_name': 'University of Florida', 'ror': 'https://ror.org/02y3ad647', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I33213144']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Keith E. Muller', 'raw_affiliation_strings': ['Division of Biostatistics, Department of Epidemiology and Health Policy Research, University of Florida, Gainesville, FL 32610, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Division of Biostatistics, Department of Epidemiology and Health Policy Research, University of Florida, Gainesville, FL 32610, U.S.A.', 'institution_ids': ['https://openalex.org/I33213144']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111713789', 'display_name': 'Russell D. Wolfinger', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I122754148', 'display_name': 'SAS Institute (United States)', 'ror': 'https://ror.org/01093z329', 'country_code': 'US', 'type': 'company', 'lineage': ['https://openalex.org/I122754148']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Russell D. Wolfinger', 'raw_affiliation_strings': ['SAS Institute, Inc., Cary, NC 27513, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'SAS Institute, Inc., Cary, NC 27513, U.S.A.', 'institution_ids': ['https://openalex.org/I122754148']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5082974900', 'display_name': 'Bahjat F. Qaqish', 'orcid': 'https://orcid.org/0000-0002-5154-2059'}, 'institutions': [{'id': 'https://openalex.org/I114027177', 'display_name': 'University of North Carolina at Chapel Hill', 'ror': 'https://ror.org/0130frc33', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I114027177']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Bahjat F. Qaqish', 'raw_affiliation_strings': ['Department of Biostatistics, School of Public Health, CB# 7420, The University of North Carolina, Chapel Hill, NC 27599, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Department of Biostatistics, School of Public Health, CB# 7420, The University of North Carolina, Chapel Hill, NC 27599, U.S.A.', 'institution_ids': ['https://openalex.org/I114027177']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5080333374', 'display_name': 'Oliver Schabenberger', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I122754148', 'display_name': 'SAS Institute (United States)', 'ror': 'https://ror.org/01093z329', 'country_code': 'US', 'type': 'company', 'lineage': ['https://openalex.org/I122754148']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Oliver Schabenberger', 'raw_affiliation_strings': ['SAS Institute, Inc., Cary, NC 27513, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'SAS Institute, Inc., Cary, NC 27513, U.S.A.', 'institution_ids': ['https://openalex.org/I122754148']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 4940, 'currency': 'USD', 'value_usd': 4940, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 6.187, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 542, 'citation_normalized_percentile': {'value': 0.945917, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '27', 'issue': '29', 'first_page': '6137', 'last_page': '6157'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10243', 'display_name': 'Statistical Methods and Bayesian Inference', 'score': 0.9856, '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/T10243', 'display_name': 'Statistical Methods and Bayesian Inference', 'score': 0.9856, '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/T11235', 'display_name': 'Statistical Methods in Clinical Trials', 'score': 0.9586, '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/T13309', 'display_name': 'Reliability and Agreement in Measurement', 'score': 0.9583, '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/press-statistic', 'display_name': 'PRESS statistic', 'score': 0.7657397}, {'id': 'https://openalex.org/keywords/statistic', 'display_name': 'Statistic', 'score': 0.74200076}, {'id': 'https://openalex.org/keywords/mixed-model', 'display_name': 'Mixed model', 'score': 0.5943234}, {'id': 'https://openalex.org/keywords/univariate', 'display_name': 'Univariate', 'score': 0.57748467}, {'id': 'https://openalex.org/keywords/completeness', 'display_name': 'Completeness (order theory)', 'score': 0.47022128}, {'id': 'https://openalex.org/keywords/sufficient-statistic', 'display_name': 'Sufficient statistic', 'score': 0.43651882}], 'concepts': [{'id': 'https://openalex.org/C162511642', 'wikidata': 'https://www.wikidata.org/wiki/Q7120293', 'display_name': 'PRESS statistic', 'level': 5, 'score': 0.7657397}, {'id': 'https://openalex.org/C89128539', 'wikidata': 'https://www.wikidata.org/wiki/Q1949963', 'display_name': 'Statistic', 'level': 2, 'score': 0.74200076}, {'id': 'https://openalex.org/C141286372', 'wikidata': 'https://www.wikidata.org/wiki/Q4753046', 'display_name': 'Ancillary statistic', 'level': 4, 'score': 0.7206444}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.6170309}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.61495805}, {'id': 'https://openalex.org/C16012445', 'wikidata': 'https://www.wikidata.org/wiki/Q1501135', 'display_name': 'Mixed model', 'level': 2, 'score': 0.5943234}, {'id': 'https://openalex.org/C199163554', 'wikidata': 'https://www.wikidata.org/wiki/Q1681619', 'display_name': 'Univariate', 'level': 3, 'score': 0.57748467}, {'id': 'https://openalex.org/C110460608', 'wikidata': 'https://www.wikidata.org/wiki/Q1386253', 'display_name': 'F-test', 'level': 3, 'score': 0.53976345}, {'id': 'https://openalex.org/C163175372', 'wikidata': 'https://www.wikidata.org/wiki/Q3339222', 'display_name': 'Linear model', 'level': 2, 'score': 0.5315114}, {'id': 'https://openalex.org/C44970651', 'wikidata': 'https://www.wikidata.org/wiki/Q17014030', 'display_name': 'Fixed effects model', 'level': 3, 'score': 0.5306334}, {'id': 'https://openalex.org/C153720581', 'wikidata': 'https://www.wikidata.org/wiki/Q5532490', 'display_name': 'Generalized linear mixed model', 'level': 2, 'score': 0.5261252}, {'id': 'https://openalex.org/C169857963', 'wikidata': 'https://www.wikidata.org/wiki/Q1461038', 'display_name': 'Test statistic', 'level': 3, 'score': 0.51856}, {'id': 'https://openalex.org/C178650346', 'wikidata': 'https://www.wikidata.org/wiki/Q201984', 'display_name': 'Covariance', 'level': 2, 'score': 0.50355285}, {'id': 'https://openalex.org/C48921125', 'wikidata': 'https://www.wikidata.org/wiki/Q10861030', 'display_name': 'Linear regression', 'level': 2, 'score': 0.48399758}, {'id': 'https://openalex.org/C17231256', 'wikidata': 'https://www.wikidata.org/wiki/Q5156540', 'display_name': 'Completeness (order theory)', 'level': 2, 'score': 0.47022128}, {'id': 'https://openalex.org/C178197554', 'wikidata': 'https://www.wikidata.org/wiki/Q1099110', 'display_name': 'Sufficient statistic', 'level': 2, 'score': 0.43651882}, {'id': 'https://openalex.org/C168743327', 'wikidata': 'https://www.wikidata.org/wiki/Q1826427', 'display_name': 'Random effects model', 'level': 3, 'score': 0.41933212}, {'id': 'https://openalex.org/C161584116', 'wikidata': 'https://www.wikidata.org/wiki/Q1952580', 'display_name': 'Multivariate statistics', 'level': 2, 'score': 0.387715}, {'id': 'https://openalex.org/C87007009', 'wikidata': 'https://www.wikidata.org/wiki/Q210832', 'display_name': 'Statistical hypothesis testing', 'level': 2, 'score': 0.26387924}, {'id': 'https://openalex.org/C6422946', 'wikidata': 'https://www.wikidata.org/wiki/Q857354', 'display_name': 'Panel data', 'level': 2, 'score': 0.1639638}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.07670832}, {'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/C95190672', 'wikidata': 'https://www.wikidata.org/wiki/Q815382', 'display_name': 'Meta-analysis', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D001699', 'descriptor_name': 'Biometry', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D016014', 'descriptor_name': 'Linear Models', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000293', 'descriptor_name': 'Adolescent', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001699', 'descriptor_name': 'Biometry', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001794', 'descriptor_name': 'Blood Pressure', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002648', 'descriptor_name': 'Child', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003627', 'descriptor_name': 'Data Interpretation, Statistical', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008137', 'descriptor_name': 'Longitudinal Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003765', 'descriptor_name': 'Models, Dental', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015999', 'descriptor_name': 'Multivariate Analysis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009970', 'descriptor_name': 'Orthodontics', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009970', 'descriptor_name': 'Orthodontics', 'qualifier_ui': 'Q000706', 'qualifier_name': 'statistics & numerical data', 'is_major_topic': False}, {'descriptor_ui': 'D044469', 'descriptor_name': 'Racial Groups', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 5, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/sim.3429', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S55189604', 'display_name': 'Statistics in Medicine', 'issn_l': '0277-6715', 'issn': ['0277-6715', '1097-0258'], '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc2587505', 'pdf_url': 'https://europepmc.org/articles/pmc2587505?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2587505', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.665.8364', 'pdf_url': 'http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2587505/pdf/nihms66636.pdf?origin%3Dpublication_detail', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/18816511', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc2587505', 'pdf_url': 'https://europepmc.org/articles/pmc2587505?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'acceptedVersion', 'is_accepted': True, 'is_published': False}, 'sustainable_development_goals': [{'score': 0.51, 'id': 'https://metadata.un.org/sdg/10', 'display_name': 'Reduced inequalities'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 27, 'referenced_works': ['https://openalex.org/W15349034', 'https://openalex.org/W1981747359', 'https://openalex.org/W1996549107', 'https://openalex.org/W1996930205', 'https://openalex.org/W1998359556', 'https://openalex.org/W2001018895', 'https://openalex.org/W2006779293', 'https://openalex.org/W2039194061', 'https://openalex.org/W2057327562', 'https://openalex.org/W2062913726', 'https://openalex.org/W2072014595', 'https://openalex.org/W2075384682', 'https://openalex.org/W2082246284', 'https://openalex.org/W2104448343', 'https://openalex.org/W2140765506', 'https://openalex.org/W2140817846', 'https://openalex.org/W2143170158', 'https://openalex.org/W2571395702', 'https://openalex.org/W2588647575', 'https://openalex.org/W3122029381', 'https://openalex.org/W4230076583', 'https://openalex.org/W4230803260', 'https://openalex.org/W4236679173', 'https://openalex.org/W4238221682', 'https://openalex.org/W4238658453', 'https://openalex.org/W4241105318', 'https://openalex.org/W97879490'], 'related_works': ['https://openalex.org/W2995994809', 'https://openalex.org/W2794698711', 'https://openalex.org/W2489859977', 'https://openalex.org/W2333613621', 'https://openalex.org/W2186854421', 'https://openalex.org/W2149023695', 'https://openalex.org/W2060755763', 'https://openalex.org/W2018361134', 'https://openalex.org/W2014359367', 'https://openalex.org/W1970608232'], 'abstract_inverted_index': {'Abstract': [0], 'Statisticians': [1], 'most': [2], 'often': [3], 'use': [4], 'the': [5, 19, 24, 36, 53, 72, 76, 80, 105, 114, 128, 133, 138, 176, 179, 185, 211, 216], 'linear': [6, 25, 37, 54, 81], 'mixed': [7, 38, 55, 82, 155], 'model': [8, 27, 48, 56, 116, 120, 156], 'to': [9, 35, 45, 144, 184], 'analyze': [10], 'Gaussian': [11], 'longitudinal': [12, 168], 'data.': [13], 'The': [14, 63, 84, 111], 'value': [15, 177], 'and': [16, 42, 75, 199], 'familiarity': [17], 'of': [18, 93, 148, 170, 178, 197], 'R': [20, 49, 65, 85, 139, 151, 192], '2': [21, 50, 66, 86, 140, 152, 193], 'statistic': [22, 51, 67, 87, 97, 112, 141], 'in': [23, 32, 79, 107, 157], 'univariate': [26], 'naturally': [28], 'creates': [29], 'great': [30], 'interest': [31], 'extending': [33], 'it': [34], 'model.': [39, 62, 83, 110], 'We': [40], 'define': [41], 'describe': [43], 'how': [44], 'compute': [46], 'a': [47, 60, 90, 108, 118, 145, 149, 161, 167, 189, 195], 'for': [52, 98, 215], 'by': [57], 'using': [58], 'only': [59], 'single': [61], 'proposed': [64], 'measures': [68], 'multivariate': [69], 'association': [70, 209], 'between': [71], 'repeated': [73, 212], 'outcomes': [74, 214], 'fixed': [77, 101, 123], 'effects': [78, 102, 124], 'arises': [88], 'as': [89, 166], '1–1': [91], 'function': [92], 'an': [94, 206], 'appropriate': [95], 'F': [96], 'testing': [99], 'all': [100, 122], '(except': [103, 126], 'typically': [104, 127], 'intercept)': [106, 129], 'full': [109, 115], 'compares': [113], 'with': [117, 121, 210], 'null': [119], 'deleted': [125], 'while': [130], 'retaining': [131], 'exactly': [132], 'same': [134], 'covariance': [135], 'structure.': [136], 'Furthermore,': [137], 'leads': [142], 'immediately': [143], 'natural': [146], 'definition': [147], 'partial': [150], 'statistic.': [153, 180], 'A': [154], 'which': [158], 'ethnicity': [159, 204], 'gives': [160], 'very': [162, 190], 'small': [163, 191], 'p': [164, 187], '‐value': [165], 'predictor': [169], 'blood': [171], 'pressure': [172], '(BP)': [173], 'compellingly': [174], 'illustrates': [175], 'In': [181], 'sharp': [182], 'contrast': [183], 'extreme': [186], '‐value,': [188], ',': [194], 'measure': [196], 'statistical': [198], 'scientific': [200], 'importance,': [201], 'indicates': [202], 'that': [203], 'has': [205], 'almost': [207], 'negligible': [208], 'BP': [213], 'study.': [217], 'Copyright': [218], '©': [219], '2008': [220], 'John': [221], 'Wiley': [222], '&': [223], 'Sons,': [224], 'Ltd.': [225]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2060755763', 'counts_by_year': [{'year': 2024, 'cited_by_count': 23}, {'year': 2023, 'cited_by_count': 46}, {'year': 2022, 'cited_by_count': 52}, {'year': 2021, 'cited_by_count': 63}, {'year': 2020, 'cited_by_count': 56}, {'year': 2019, 'cited_by_count': 43}, {'year': 2018, 'cited_by_count': 57}, {'year': 2017, 'cited_by_count': 35}, {'year': 2016, 'cited_by_count': 36}, {'year': 2015, 'cited_by_count': 23}, {'year': 2014, 'cited_by_count': 33}, {'year': 2013, 'cited_by_count': 25}, {'year': 2012, 'cited_by_count': 22}], 'updated_date': '2025-01-04T00:08:27.915567', 'created_date': '2016-06-24'}