{"id":"https://openalex.org/W3216232103","doi":"https://doi.org/10.48550/arxiv.2111.10931","title":"A code for two-dimensional frequency analysis using the Least Absolute Shrinkage and Selection Operator (Lasso) for multidisciplinary use","display_name":"A code for two-dimensional frequency analysis using the Least Absolute Shrinkage and Selection Operator (Lasso) for multidisciplinary use","publication_year":2021,"publication_date":"2021-11-22","ids":{"openalex":"https://openalex.org/W3216232103","doi":"https://doi.org/10.48550/arxiv.2111.10931","mag":"3216232103"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2111.10931","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2111.10931","pdf_url":"https://arxiv.org/pdf/2111.10931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2111.10931","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101093792","display_name":"Taichi Kato","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kato, Taichi","raw_affiliation_strings":["Kyoto U","Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto U","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan","institution_ids":["https://openalex.org/I22299242"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101093792"],"corresponding_institution_ids":["https://openalex.org/I22299242"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.45089998841285706,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.45089998841285706,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10136","display_name":"Statistical Methods and Inference","score":0.1200999990105629,"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/T13487","display_name":"Statistical and numerical algorithms","score":0.04859999939799309,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/lasso","display_name":"LASSO","score":0.8460000157356262},{"id":"https://openalex.org/keywords/sparse-modeling","display_name":"sparse models","score":0.8140000104904175},{"id":"https://openalex.org/keywords/dynamic-spectra","display_name":"dynamic spectra","score":0.9750000238418579},{"id":"https://openalex.org/keywords/variable-stars","display_name":"variable stars","score":0.9459999799728394},{"id":"https://openalex.org/keywords/su-uma-stars","display_name":"SU UMa stars","score":0.9110000133514404},{"id":"https://openalex.org/keywords/superhumps","display_name":"superhumps","score":0.9110000133514404},{"id":"https://openalex.org/keywords/nova-eruption","display_name":"nova eruption","score":0.7160000205039978},{"id":"https://openalex.org/keywords/rotation-period","display_name":"rotation period","score":0.6909999847412109},{"id":"https://openalex.org/keywords/bird-vocalizations","display_name":"bird vocalizations","score":0.9319999814033508},{"id":"https://openalex.org/keywords/eurasian-wren","display_name":"Eurasian wren","score":0.9900000095367432},{"id":"https://openalex.org/keywords/species-identification","display_name":"species identification","score":0.8119999766349792},{"id":"https://openalex.org/keywords/power-spectrum","display_name":"power spectrum","score":0.7039999961853027},{"id":"https://openalex.org/keywords/r-code","display_name":"R code","score":0.8659999966621399}],"concepts":[{"id":"https://openalex.org/C37616216","wikidata":"https://www.wikidata.org/wiki/Q3218363","display_name":"Lasso (programming language)","level":2,"score":0.7850602269172668},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.5507265329360962},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.491181343793869},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.48444345593452454},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47734907269477844},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.463566392660141},{"id":"https://openalex.org/C97118885","wikidata":"https://www.wikidata.org/wiki/Q565636","display_name":"Frequency analysis","level":2,"score":0.43584173917770386},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42953312397003174},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.420433908700943},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.39155885577201843},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23004275560379028},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.1151159405708313},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2111.10931","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2111.10931","pdf_url":"https://arxiv.org/pdf/2111.10931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2111.10931","doi":"https://doi.org/10.48550/arxiv.2111.10931","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2111.10931","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2111.10931","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2111.10931","pdf_url":"https://arxiv.org/pdf/2111.10931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Life on land","score":0.4000000059604645,"id":"https://metadata.un.org/sdg/15"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G7080498118","display_name":"Research on the smart observation system with the automatic decision making for the follow-up observations of astronomical transients","funder_award_id":"21K03616","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320320912","display_name":"Ministry of Education, Culture, Sports, Science and Technology","ror":"https://ror.org/048rj2z13"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2018724146","https://openalex.org/W2024081693","https://openalex.org/W2040834157","https://openalex.org/W2063978378","https://openalex.org/W2067366609","https://openalex.org/W2129638195","https://openalex.org/W2296616510","https://openalex.org/W2905241809","https://openalex.org/W3099035095","https://openalex.org/W3102851199","https://openalex.org/W3104241162","https://openalex.org/W3104941754","https://openalex.org/W3203130772","https://openalex.org/W3211042213","https://openalex.org/W4200318473"],"related_works":["https://openalex.org/W4256576576","https://openalex.org/W120075840","https://openalex.org/W3090384609","https://openalex.org/W182374993","https://openalex.org/W3194013178","https://openalex.org/W2326808910","https://openalex.org/W4249086404","https://openalex.org/W4236464082","https://openalex.org/W3017839092","https://openalex.org/W2044702560"],"abstract_inverted_index":{"In":[0,82],"Kato":[1],"and":[2,11,71,90,119,143,187],"Uemura":[3],"(2012),":[4],"we":[5],"introduced":[6],"the":[7,68,88,113,116,120,123,127,130,157,160,192,204],"Least":[8],"Absolute":[9],"Shrinkage":[10],"Selection":[12],"Operator":[13],"(Lasso)":[14],"method,":[15],"a":[16,60,97,177],"kind":[17],"of":[18,25,63,67,78,92,103,115,122,129,149,159,191,195,207],"sparse":[19],"modeling,":[20],"to":[21,36,46,50,111,147,168],"study":[22],"frequency":[23,31,39,48,57,188],"structures":[24,155],"variable":[26,208],"stars.":[27,81,209],"A":[28],"very":[29],"high":[30,185],"resolution":[32],"was":[33],"achieved":[34],"compared":[35],"traditional":[37],"Fourier-type":[38],"analysis.":[40],"This":[41,54,106,134,173],"method":[42],"has":[43,108],"been":[44,109],"extended":[45],"two-dimensional":[47,55],"analysis":[49,58,148],"obtain":[51],"dynamic":[52],"spectra.":[53],"Lasso":[56],"yielded":[59],"wide":[61],"range":[62],"results":[64],"including":[65],"separation":[66],"orbital,":[69],"superhump":[70,73],"negative":[72],"signals":[74],"in":[75,140,156,180,202],"Kepler":[76],"data":[77],"SU":[79],"UMa":[80],"this":[83,93],"paper,":[84],"I":[85,95,144,152],"briefly":[86],"reviewed":[87],"progress":[89],"applications":[91,146],"method.":[94],"present":[96],"full":[98],"R":[99],"code":[100,107,135,174],"with":[101,184],"examples":[102],"its":[104],"usage.":[105],"confirmed":[110],"detect":[112],"appearance":[114],"orbital":[117],"signal":[118],"variation":[121],"spin":[124],"period":[125],"after":[126],"eruption":[128],"nova":[131],"V1674":[132],"Her.":[133],"also":[136,199],"can":[137],"be":[138,169,176,200],"used":[139,170],"multidisciplinary":[141],"purposes":[142],"provide":[145],"avian":[150,182,196],"vocalizations.":[151],"found":[153],"fine":[154],"call":[158],"Eurasian":[161],"wren":[162],"($\\textit{Troglodytes":[163],"troglodytes}$),":[164],"which":[165],"is":[166],"likely":[167],"species":[171],"identification.":[172],"would":[175],"new":[178],"tool":[179],"studying":[181],"vocalizations":[183,197],"temporal":[186],"resolutions.":[189],"Interpretations":[190],"power":[193,205],"spectra":[194,206],"will":[198],"helpful":[201],"interpreting":[203]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-10T09:11:00.788812","created_date":"2025-10-10T00:00:00"}