Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2135749034', 'doi': None, 'title': 'Estimation of sampling errors for complex survey data', 'display_name': 'Estimation of sampling errors for complex survey data', 'publication_year': 2003, 'publication_date': '2003-01-01', 'ids': {'openalex': 'https://openalex.org/W2135749034', 'mag': '2135749034'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://unstats.un.org/unsd/demographic/meetings/egm/Sampling_1203/docs/no_6.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5028591370', 'display_name': 'Ibrahim S. Yansaneh', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Ibrahim S. Yansaneh', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5028591370'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 3, 'citation_normalized_percentile': {'value': 0.47185, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 70, 'max': 73}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10243', 'display_name': 'Methods for Handling Missing Data in Statistical Analysis', 'score': 0.9943, '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': 'Methods for Handling Missing Data in Statistical Analysis', 'score': 0.9943, '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': 'Regularization and Variable Selection Methods', 'score': 0.9814, '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/T11539', 'display_name': 'Survey Methodology and Response Rates Analysis', 'score': 0.9745, 'subfield': {'id': 'https://openalex.org/subfields/3312', 'display_name': 'Sociology and Political Science'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/survey-methodology', 'display_name': 'Survey Methodology', 'score': 0.638117}, {'id': 'https://openalex.org/keywords/web-based-surveys', 'display_name': 'Web-Based Surveys', 'score': 0.637544}, {'id': 'https://openalex.org/keywords/model-selection', 'display_name': 'Model Selection', 'score': 0.622663}, {'id': 'https://openalex.org/keywords/model-complexity', 'display_name': 'Model Complexity', 'score': 0.620498}, {'id': 'https://openalex.org/keywords/covariance-estimation', 'display_name': 'Covariance Estimation', 'score': 0.619393}], 'concepts': [{'id': 'https://openalex.org/C140779682', 'wikidata': 'https://www.wikidata.org/wiki/Q210868', 'display_name': 'Sampling (signal processing)', 'level': 3, 'score': 0.5182871}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.5025377}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.5002849}, {'id': 'https://openalex.org/C96250715', 'wikidata': 'https://www.wikidata.org/wiki/Q965330', 'display_name': 'Estimation', 'level': 2, 'score': 0.49075255}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.27837574}, {'id': 'https://openalex.org/C106131492', 'wikidata': 'https://www.wikidata.org/wiki/Q3072260', 'display_name': 'Filter (signal processing)', 'level': 2, 'score': 0.10783684}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.08974302}, {'id': 'https://openalex.org/C201995342', 'wikidata': 'https://www.wikidata.org/wiki/Q682496', 'display_name': 'Systems engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C31972630', 'wikidata': 'https://www.wikidata.org/wiki/Q844240', 'display_name': 'Computer vision', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://unstats.un.org/unsd/demographic/meetings/egm/Sampling_1203/docs/no_6.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 10, 'referenced_works': ['https://openalex.org/W143431577', 'https://openalex.org/W1994221687', 'https://openalex.org/W2003312414', 'https://openalex.org/W2060882825', 'https://openalex.org/W2117161260', 'https://openalex.org/W2139647584', 'https://openalex.org/W2164629226', 'https://openalex.org/W2335699666', 'https://openalex.org/W2401436686', 'https://openalex.org/W2916767885'], 'related_works': ['https://openalex.org/W565114028', 'https://openalex.org/W50355841', 'https://openalex.org/W3084097784', 'https://openalex.org/W2802511270', 'https://openalex.org/W2801786660', 'https://openalex.org/W2600026571', 'https://openalex.org/W2505248892', 'https://openalex.org/W2503751287', 'https://openalex.org/W2492610822', 'https://openalex.org/W2490775890', 'https://openalex.org/W2488196107', 'https://openalex.org/W2488095220', 'https://openalex.org/W2478278025', 'https://openalex.org/W2387655925', 'https://openalex.org/W2287763571', 'https://openalex.org/W2184565466', 'https://openalex.org/W2005288666', 'https://openalex.org/W1596480161', 'https://openalex.org/W1503035345', 'https://openalex.org/W1125102328'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2135749034', 'counts_by_year': [{'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}], 'updated_date': '2024-08-28T16:00:29.363618', 'created_date': '2016-06-24'}