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\u3053\u306e\u65b9\u6cd5\u304c\u5f79\u7acb\u3064\u7406\u7531\u3092\u76f4\u611f\u3067\u62bc\u3055\u3048\u308b\u30021\u56de\u3060\u3051\u306e\u5206\u5272\u3067\u306f\u3001\u305f\u307e\u305f\u307e\u300c\u6613\u3057\u3044\u8a55\u4fa1\u7528\u30c7\u30fc\u30bf\u300d\u3084\u300c\u96e3\u3057\u3044\u8a55\u4fa1\u7528\u30c7\u30fc\u30bf\u300d\u306b\u5f53\u305f\u308b\u6050\u308c\u304c\u3042\u308b\u304c\u3001\u8907\u6570\u56de\u306e\u5165\u308c\u66ff\u3048\u8a55\u4fa1\u306e\u5e73\u5747\u3067\u898b\u308c\u3070\u3001\u305d\u306e\u5076\u7136\u3092\u306a\u3089\u305b\u308b\u3002\u7279\u306b\u30c7\u30fc\u30bf\u304c\u591a\u304f\u306a\u3044\u5834\u9762\u3084\u3001\u30e2\u30c7\u30eb\u306e\u6bd4\u8f03\u30fb\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u3092\u884c\u3046\u5834\u9762\u3067\u3001\u3088\u308a\u4fe1\u983c\u3067\u304d\u308b\u6027\u80fd\u898b\u7a4d\u3082\u308a\u304c\u5f97\u3089\u308c\u308b\u3002[2][3][4]\n\n\n\n
\u5206\u985e\u30bf\u30b9\u30af\u3067\u30af\u30e9\u30b9\u306e\u6570\u304c\u504f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u300c\u5c64\u5316k\u5206\u5272\u4ea4\u5dee\u691c\u8a3c\u300d\u3092\u4f7f\u3046\u306e\u304c\u5b9a\u77f3\u3060\u3002\u3053\u308c\u306f\u5404\u30d5\u30a9\u30fc\u30eb\u30c9\u5185\u306e\u30af\u30e9\u30b9\u6bd4\u304c\u5143\u306e\u30c7\u30fc\u30bf\u306b\u8fd1\u304f\u306a\u308b\u3088\u3046\u306b\u5206\u3051\u308b\u65b9\u6cd5\u3067\u3001\u3042\u308b\u6298\u306b\u5c11\u6570\u30af\u30e9\u30b9\u304c\u307b\u3068\u3093\u3069\u542b\u307e\u308c\u306a\u3044\u4e8b\u6545\u3092\u9632\u304e\u3001\u8a55\u4fa1\u306e\u5b89\u5b9a\u6027\u3092\u9ad8\u3081\u308b\u3002\u4e0d\u5747\u8861\u30c7\u30fc\u30bf\u304c\u5f53\u305f\u308a\u524d\u306e\u6545\u969c\u4e88\u77e5\u3067\u306f\u3001\u5c64\u5316\u3092\u5fb9\u5e95\u3059\u308b\u3053\u3068\u304c\u8a55\u4fa1\u306e\u516c\u6b63\u3055\u306b\u76f4\u7d50\u3059\u308b\u3002[5][6][2]\n\n\n\n
\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u306b\u306f\u3001\u901a\u5e38\u306e\u30e9\u30f3\u30c0\u30e0\u306ak\u5206\u5272\u306f\u5411\u304b\u306a\u3044\u3002\u672a\u6765\u306e\u60c5\u5831\u3092\u8a13\u7df4\u5074\u306b\u6df7\u305c\u3066\u3057\u307e\u3046\u300c\u30c7\u30fc\u30bf\u30ea\u30fc\u30af\u300d\u304c\u8d77\u304d\u308b\u304b\u3089\u3067\u3001\u3053\u308c\u306f\u975e\u73fe\u5b9f\u7684\u306a\u9ad8\u7cbe\u5ea6\u306e\u539f\u56e0\u306b\u306a\u308b\u3002\u305d\u3053\u3067TimeSeriesSplit\u306e\u3088\u3046\u306b\u3001\u6642\u9593\u9806\u3092\u4fdd\u3061\u300c\u904e\u53bb\u3067\u5b66\u3073\u3001\u305d\u306e\u76f4\u5f8c\u306e\u672a\u6765\u3067\u691c\u8a3c\u3059\u308b\u300d\u65b9\u6cd5\u3092\u7528\u3044\u308b\u3002\u3053\u306e\u5206\u5272\u306f\u5404\u56de\u306e\u691c\u8a3c\u304c\u6642\u9593\u7684\u306b\u5148\u3078\u9032\u3080\u306b\u3064\u308c\u3001\u8a13\u7df4\u306b\u4f7f\u3048\u308b\u5c65\u6b74\u304c\u5897\u3048\u3066\u3044\u304f\u8a2d\u5b9a\u3067\u3001\u73fe\u5b9f\u306e\u904b\u7528\u306b\u8fd1\u3044\u8a55\u4fa1\u3092\u5b9f\u73fe\u3059\u308b\u3002\u5b9f\u88c5\u4f8b\u3067\u3082\u3001\u6307\u5b9a\u3057\u305f\u5206\u5272\u6570\u3067\u6642\u9593\u9806\u306b\u8a13\u7df4\u30fb\u691c\u8a3c\u3092\u7e70\u308a\u8fd4\u3059\u624b\u9806\u304c\u793a\u3055\u308c\u3066\u304a\u308a\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8a13\u7df4\u30b5\u30a4\u30ba\u3092\u4e00\u5b9a\u306b\u5236\u5fa1\u3067\u304d\u308b\u3002[3][7]\n\n\n\n
\u5b9f\u52d9\u3067\u306e\u9032\u3081\u65b9\u3092\u6bb5\u968e\u7684\u306b\u307e\u3068\u3081\u308b\u3002\u307e\u305a\u3001\u30c7\u30fc\u30bf\u306e\u6027\u8cea\u3092\u78ba\u8a8d\u3059\u308b\uff08\u5206\u985e\u306e\u4e0d\u5747\u8861\u306e\u6709\u7121\u3001\u6642\u7cfb\u5217\u304b\u5426\u304b\uff09\u3002\u5206\u985e\u3067\u4e0d\u5747\u8861\u304c\u3042\u308b\u306a\u3089\u5c64\u5316k\u5206\u5272\u3001\u6642\u7cfb\u5217\u306a\u3089TimeSeriesSplit\u3092\u9078\u3076\u306e\u304c\u57fa\u672c\u3067\u3042\u308b\u3002\u6b21\u306b\u3001\u8a55\u4fa1\u6307\u6a19\u3092\u6c7a\u3081\u308b\u3002\u6545\u969c\u4e88\u77e5\u3067\u306f\u5358\u7d14\u306a\u6b63\u89e3\u7387\u3088\u308a\u3001\u5c11\u6570\u30af\u30e9\u30b9\u306e\u898b\u3064\u3051\u3084\u3059\u3055\u3092\u53cd\u6620\u3059\u308b\u6307\u6a19\uff08\u518d\u73fe\u7387\u3001\u9069\u5408\u7387\u3001F1\u3001PR\u66f2\u7dda\u306a\u3069\uff09\u3092\u91cd\u8996\u3057\u3001\u305d\u306e\u5e73\u5747\u3084\u5206\u6563\u3092\u5404\u6298\u3067\u96c6\u8a08\u3059\u308b\u3002\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3084\u30e2\u30c7\u30eb\u6bd4\u8f03\u306f\u3001\u3053\u306e\u67a0\u7d44\u307f\u4e0a\u3067\u884c\u3044\u3001\u6700\u7d42\u7684\u306a\u30e2\u30c7\u30eb\u9078\u629e\u306f\u5e73\u5747\u6027\u80fd\u3060\u3051\u3067\u306a\u304f\u3070\u3089\u3064\u304d\uff08\u6a19\u6e96\u504f\u5dee\uff09\u3082\u4f75\u305b\u3066\u5224\u65ad\u3059\u308b\u3002[4][2][3][5]\n\n\n\n
\u6ce8\u610f\u70b9\u3082\u660e\u78ba\u306b\u3057\u3066\u304a\u304f\u3002- \u5404\u30d5\u30a9\u30fc\u30eb\u30c9\u3054\u3068\u306b\u8a13\u7df4\u30c7\u30fc\u30bf\u3067\u524d\u51e6\u7406\uff08\u6a19\u6e96\u5316\u306a\u3069\uff09\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5b66\u3073\u3001\u691c\u8a3c\u5074\u306b\u9069\u7528\u3059\u308b\u9806\u5e8f\u3092\u5b88\u308b\uff08\u5168\u4f53\u3067\u5148\u306b\u8a08\u7b97\u3059\u308b\u3068\u60c5\u5831\u6f0f\u3048\u3044\uff09\u3002- k\u304c\u5927\u304d\u3059\u304e\u308b\u3068\u5b66\u7fd2\u3092\u4f55\u5ea6\u3082\u3084\u308a\u76f4\u3059\u8a08\u7b97\u8ca0\u8377\u304c\u91cd\u304f\u306a\u308a\u3001\u5c0f\u3055\u3059\u304e\u308b\u3068\u8a55\u4fa1\u306e\u3070\u3089\u3064\u304d\u304c\u5927\u304d\u3044\u307e\u307e\u6b8b\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u91cf\u3068\u8a08\u7b97\u8cc7\u6e90\u306b\u5408\u308f\u305b\u3066\u6c7a\u3081\u308b\u3002- \u6642\u7cfb\u5217\u3067\u306f\u6642\u9593\u9806\u5e8f\u3092\u5d29\u3055\u306a\u3044\u5206\u5272\u4ee5\u5916\u306f\u4f7f\u308f\u306a\u3044\u3002TimeSeriesSplit\u3092\u7528\u3044\u308c\u3070\u3001\u672a\u6765\u306e\u30c7\u30fc\u30bf\u304c\u8a13\u7df4\u5074\u306b\u6df7\u3058\u308b\u3053\u3068\u3092\u907f\u3051\u3089\u308c\u308b\u3002[8][7][3]\n\n\n\n
\u3088\u304f\u4f7f\u3046\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u6574\u7406\u3059\u308b\u3002- k\u5206\u5272\u4ea4\u5dee\u691c\u8a3c\uff1a\u6700\u3082\u57fa\u672c\u7684\u3002\u30c7\u30fc\u30bf\u3092k\u7b49\u5206\u3057\u3001\u5404\u6298\u3067\u5b66\u7fd2\u30fb\u8a55\u4fa1\u3092\u4ea4\u66ff\u3057\u3066\u5e73\u5747\u3002- \u5c64\u5316k\u5206\u5272\u4ea4\u5dee\u691c\u8a3c\uff1a\u5206\u985e\u306e\u4e0d\u5747\u8861\u306b\u5f37\u3044\u3002\u5404\u6298\u3067\u30af\u30e9\u30b9\u6bd4\u3092\u5143\u30c7\u30fc\u30bf\u306b\u8fd1\u3065\u3051\u308b\u3002- \u6642\u7cfb\u5217\u4ea4\u5dee\u691c\u8a3c\uff08TimeSeriesSplit\uff09\uff1a\u6642\u9593\u9806\u3092\u4fdd\u3064\u3002\u904e\u53bb\u2192\u76f4\u5f8c\u306e\u672a\u6765\u3067\u306e\u691c\u8a3c\u3092\u7e70\u308a\u8fd4\u3059\u3002- LOOCV\uff081\u3064\u6b8b\u3057\u6cd5\uff09\u306a\u3069\u306e\u6975\u7aef\u306a\u8a2d\u5b9a\u3082\u3042\u308b\u304c\u8a08\u7b97\u8ca0\u8377\u304c\u975e\u5e38\u306b\u5927\u304d\u304f\u3001\u5b9f\u52d9\u3067\u306fk\u5206\u5272\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u3002[7][9][1][2][3][4][5]\n\n\n\n
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\u73fe\u5834\u3067\u306e\u843d\u3068\u3057\u7a74\u3068\u56de\u907f\u7b56\u3092\u6319\u3052\u308b\u3002- \u30e9\u30f3\u30c0\u30e0k\u5206\u5272\u3092\u6642\u7cfb\u5217\u306b\u4f7f\u3046\uff1a\u6642\u9593\u306e\u56e0\u679c\u3092\u58ca\u3057\u3001\u975e\u73fe\u5b9f\u7684\u306a\u9ad8\u7cbe\u5ea6\u306b\u898b\u3048\u308b\u3002TimeSeriesSplit\u3078\u5207\u308a\u66ff\u3048\u308b\u3002- \u4e0d\u5747\u8861\u3067\u5c64\u5316\u3057\u306a\u3044\uff1a\u6298\u306b\u3088\u3063\u3066\u5c11\u6570\u30af\u30e9\u30b9\u304c\u307b\u307c\u30bc\u30ed\u306b\u306a\u308a\u3001\u8a55\u4fa1\u304c\u4e0d\u5b89\u5b9a\u3002\u5c64\u5316\u3092\u5fc5\u305a\u6307\u5b9a\u3059\u308b\u3002- \u524d\u51e6\u7406\u306e\u60c5\u5831\u6f0f\u3048\u3044\uff1a\u5168\u4f53\u3067\u6a19\u6e96\u5316\u306e\u5e73\u5747\u30fb\u5206\u6563\u3092\u8a08\u7b97\u3057\u3066\u304b\u3089\u5206\u5272\u3059\u308b\u3068\u6f0f\u3048\u3044\u3002\u5404\u6298\u3067\u8a13\u7df4\u5074\u306e\u307f\u3067\u5b66\u3073\u691c\u8a3c\u3078\u9069\u7528\u3059\u308b\u3002- k\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u56fa\u5b9a\u89b3\u5ff5\uff1a\u30c7\u30fc\u30bf\u91cf\u30fb\u5206\u5e03\u30fb\u8a08\u7b97\u8cc7\u6e90\u306b\u5408\u308f\u305b\u3066k\u3001\u5206\u5272\u65b9\u6cd5\u3001\u8a55\u4fa1\u6307\u6a19\u3092\u898b\u76f4\u3059\u3002[2][8][7][5][3]\n\n\n\n
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\u307e\u3068\u3081\u308b\u3068\u3001\u30af\u30ed\u30b9\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u300c\u5076\u7136\u306b\u4f9d\u5b58\u3057\u306a\u3044\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u898b\u7a4d\u3082\u308a\u300d\u3092\u5f97\u308b\u305f\u3081\u306e\u57fa\u672c\u624b\u6bb5\u3067\u3042\u308a\u3001\u5206\u985e\u306e\u4e0d\u5747\u8861\u306b\u306f\u5c64\u5316\u3001\u6642\u9593\u4f9d\u5b58\u306b\u306fTimeSeriesSplit\u3001\u3068\u30c7\u30fc\u30bf\u306e\u6027\u8cea\u306b\u5408\u308f\u305b\u3066\u5206\u5272\u6cd5\u3092\u9078\u3076\u306e\u304c\u8981\u70b9\u3067\u3042\u308b\u3002\u3055\u3089\u306b\u3001\u5404\u6298\u3067\u306e\u524d\u51e6\u7406\u9806\u5e8f\u306e\u53b3\u5b88\u3068\u3001\u5e73\u5747\u3060\u3051\u3067\u306a\u304f\u3070\u3089\u3064\u304d\u3082\u898b\u308b\u59ff\u52e2\u304c\u3001\u73fe\u5834\u9069\u7528\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u3002[8][7][2][3]\n\n\n\n[1] https:\/\/aiacademy.jp\/media\/?p=263<\/p>\n\n\n\n[2] https:\/\/boritaso-blog.com\/cross_validation\/<\/p>\n\n\n\n[3] https:\/\/www.codexa.net\/cross_validation\/<\/p>\n\n\n\n[4] https:\/\/musashi-ai.com\/glossary\/2023\/06\/6088547addedd3af3fbe0d460b0a0948a97e9cf0.html<\/p>\n\n\n\n[5] https:\/\/gucci-j.github.io\/post\/cv-intro\/<\/p>\n\n\n\n[6] https:\/\/blog.amedama.jp\/entry\/2018\/08\/25\/174530<\/p>\n\n\n\n[7] http:\/\/www.digitalreactor.net\/2025\/03\/time-series-cross-validation\/<\/p>\n\n\n\n[8] https:\/\/datachemeng.com\/cautions_in_cross_validation\/<\/p>\n\n\n\n[9] https:\/\/www.netattest.com\/cross-validation-2024_mkt_tst<\/p>\n\n\n\n[10] https:\/\/zenn.dev\/megane_otoko\/articles\/067_time_series_pred_2nd<\/p>\n\n\n\n[11] https:\/\/best-biostatistics.com\/correlation_regression\/crossvalidation.html<\/p>\n\n\n\n[12] https:\/\/www.youtube.com\/watch?v=RI0WgcBS3g0<\/p>\n\n\n\n[13] https:\/\/zenn.dev\/skata\/articles\/20241204-tscv<\/p>\n\n\n\n[14] https:\/\/note.com\/super_yes_man\/n\/n2489c354f8f4<\/p>\n\n\n\n[15] https:\/\/qiita.com\/s_katagiri\/items\/7f06ca85f851e0a50516<\/p>\n\n\n\n[16] https:\/\/note.com\/united_code\/n\/na1a17115d855<\/p>\n\n\n\n[17] https:\/\/appswingby.com\/k%E5%88%86%E5%89%B2%E4%BA%A4%E5%B7%AE%E6%A4%9C%E8%A8%BC-%E4%BB%8A%E6%9B%B4%E8%81%9E%E3%81%91%E3%81%AA%E3%81%84it%E7%94%A8%E8%AA%9E%E9%9B%86\/<\/p>\n\n\n\n[18] https:\/\/book.st-hakky.com\/data-science\/cross-validation-in-machine-learning<\/p>\n\n\n\n[19] https:\/\/blog.amedama.jp\/entry\/time-series-cv<\/p>\n\n\n\n[20] https:\/\/ja.wikipedia.org\/wiki\/%E4%BA%A4%E5%B7%AE%E6%A4%9C%E8%A8%BC<\/p>\n\n\n\n
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