{"updated":"2025-01-19T09:38:23.393013+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00235019","sets":["1164:11612:11613:11628"]},"path":["11628"],"owner":"44499","recid":"235019","title":["NPBとMLBにおける打者の抑え方の比較-データに基づく投球戦術の分析-"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-06-14"},"_buckets":{"deposit":"2ce3e9c4-1580-488c-a33c-5be0ff99c34e"},"_deposit":{"id":"235019","pid":{"type":"depid","value":"235019","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"NPBとMLBにおける打者の抑え方の比較-データに基づく投球戦術の分析-","author_link":["641580","641579","641578","641581"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"NPBとMLBにおける打者の抑え方の比較-データに基づく投球戦術の分析-"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ポスター発表","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-06-14","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"現在，国立大学法人徳島大学"},{"subitem_text_value":"現在，国立大学法人徳島大学"},{"subitem_text_value":"現在，国立大学法人徳島大学"},{"subitem_text_value":"現在，株式会社ベースボールパートナーズ徳島"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/235019/files/IPSJ-SI24001036.pdf","label":"IPSJ-SI24001036.pdf"},"date":[{"dateType":"Available","dateValue":"2026-06-14"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SI24001036.pdf","filesize":[{"value":"863.4 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"54"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"eb469505-c1f5-4d0e-88c2-c9ddbfedf20e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"河原, 寛治"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"谷岡, 広樹"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"上田, 哲史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"殖栗, 正登"}],"nameIdentifiers":[{}]}]},"item_4_relation_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_select":"NCID","subitem_relation_type_id_text":"AB00027484"}}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2759-4408","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"野球はスコアを競うスポーツであり，その結果は投手の能力に大きく左右される．投手が打者に打たれなければ，試合に負けることはない．しかしながら，1 人の投手が全試合に登板することはできず，中 4 日なら少なくともチームごとに 5 名の先発投手が必要となる．近年，NPB (Nippon Professional Baseball) で活躍した投手が MLB (Major League Baseball) へ移籍するケースが増加してきた背景としては，このような事情があると考えられる．そのような状況で，NPB で活躍した投手が MLB でも活躍するケースが増加している．一方，NPB で活躍していた投手が，MLB では活躍できていないケースもあることが，過去のインタビューや分析から明らかになってきた．NPB と MLB では投球戦略やプレースタイルに違いが影響しているという．そこで本研究では，NPB と MLB における打者の抑え方の違いを明らかにすることを目的とし，NPB と MLB のそれぞれの対戦成績ついて，球速などの投球内容と，その結果である被打と失点との関係について，Spearman の順位相関で相関分析で分析した結果，NPB も MLB でも共通して，1 打席の球数や前の球との縦座標の差の最小値と被打，塁にランナーがいることと失点の相関が高いことが分かった．また，NPB ではストライクゾーンに投げた割合と被打との間に正の相関がみられたが，MLB ではストライクのカウント数と被打との間に負の相関がみられた．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"2","bibliographic_titles":[{"bibliographic_title":"研究報告スポーツ情報学（SI）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-06-14","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"36","bibliographicVolumeNumber":"2024-SI-1"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:36:59.031399+00:00","id":235019,"links":{}}