{"id":227,"date":"2020-10-29T12:39:46","date_gmt":"2020-10-29T03:39:46","guid":{"rendered":"https:\/\/www.ritzcolor.net\/?p=227"},"modified":"2021-02-02T19:09:07","modified_gmt":"2021-02-02T10:09:07","slug":"%e3%81%a9%e7%b4%a0%e4%ba%ba%e3%81%aekaggle6-%e4%bc%b8%e3%81%b3%e6%82%a9%e3%82%80%e3%81%ae%e3%81%a7%e5%85%88%e8%bc%a9%e3%81%aenote%e3%82%92%e3%81%bf%e3%82%8b-%e7%89%b9%e5%be%b4%e9%87%8fver","status":"publish","type":"post","link":"https:\/\/www.ritzcolor.net\/?p=227","title":{"rendered":"\u3069\u7d20\u4eba\u306eKaggle6 -\u4f38\u3073\u60a9\u3080\u306e\u3067\u5148\u8f29\u306eNote\u3092\u307f\u308b- -\u7279\u5fb4\u91cfver-"},"content":{"rendered":"\n<p>\u524d\u56de\u307e\u3067\u3067item, shop, category\u306erank\u5316\u3068\u305d\u306e\u533a\u5206\u5316\u3001\u305d\u3057\u3066date\u3092\u5e74\u6708\u65e5\u306b\u5206\u89e3\u3057\u3066\u4e88\u6e2c\u3057\u30011.41241\u3068\u3044\u3046\u30b9\u30b3\u30a2\u3092\u5f97\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u7d20\u4eba\u306e\u5272\u306b\u7d20\u65e9\u304f\u305d\u3053\u307e\u3067\u3044\u3051\u305f\u3057\u3001\u3053\u308c\u306f\u5272\u3068\u3059\u3050\u306b\u30b9\u30b3\u30a2\u4e0a\u304c\u3063\u3066\u3044\u304f\u3060\u308d\u3046\u30a6\u30d2\u30d2\u30d2\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u3053\u3053\u304b\u3089\u4f38\u3073\u60a9\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u8a66\u3057\u305f\u306e\u306f\u3001\u6c7a\u5b9a\u6728\u3067\u306f\u306a\u304f\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u306e\u4f7f\u7528\u3001\u6642\u7cfb\u5217\u3092\u6570\u5024\u3068\u307f\u306a\u3057\u305f\u4e0a\u3067\u3001\u7dda\u5f62\u56de\u5e30\u306a\u3069\u8a66\u3057\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u5909\u5316\u306a\u3057\u3002\u58f2\u308a\u4e0a\u3052\u3092\u6708\u3054\u3068\u306b\u307e\u3068\u3081\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u60aa\u5316\u3053\u305d\u3059\u308c\u826f\u5316\u305b\u305a\u3002\u3002\u3002<\/p>\n\n\n\n<p>\u3068\uff13\u65e5\u304f\u3089\u3044\u60a9\u3093\u3060\u3068\u3053\u308d\u3067\u3001kaggle\u306b\u3042\u308b\u5148\u8f29\u65b9\u306eNotebook\u3092\u53c2\u8003\u306b\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u5f53\u7136\u30b3\u30d4\u30da\u3057\u3066\u3082\u610f\u5473\u306a\u3044\u306e\u3067\u3001\u3056\u3063\u3068\u898b\u3066\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3057\u6b21\u306e\u4e00\u624b\u3092\u5b9a\u3081\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u53c2\u8003\u306b\u3057\u305f\u306e\u306f\u3001<a>Feature engineering, LightGBM &#8211; Top 1%<\/a>\u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u306e\u4e0b\u8a18\u306e\u5148\u8f29\u306eNotebook.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.kaggle.com\/uladzimirkapeika\/feature-engineering-lightgbm-top-1\">https:\/\/www.kaggle.com\/uladzimirkapeika\/feature-engineering-lightgbm-top-1<\/a><\/p>\n\n\n\n<p>\u5148\u8f29\u304c\u3084\u3063\u3066\u305f\u3053\u3068<br>1. \u5916\u308c\u5024\u306e\u524a\u9664<br>     \u5177\u4f53\u7684\u306b\u306fitem_price, item_cnt_day\u3092\u7bb1\u3072\u3052\u56f3\u3067\u898b\u3066\u3001\u5916\u308c\u5024\u3092\u78ba\u8a8d\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u304b\u3051\u3066\u3044\u307e\u3057\u305f\u3002\u78ba\u304b\u306b\u4ed6\u306b\u6bd4\u3079\u3066\u5927\u304d\u3044\u5024\u304c\u3042\u3063\u305f\u3089\u305d\u308c\u306b\u304b\u306a\u308a\u5f15\u3063\u5f35\u3089\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u57fa\u672c\u3067\u3057\u305f\u3002\u3002\u3002<\/p>\n\n\n\n<p>2. \u91cd\u8907\u3059\u308bshop\u306e\u62bd\u51fa<br>\u3000\u91cd\u8907\u3057\u3066\u3044\u308bshop\u306e\u540d\u524d\u3092\u691c\u51fa\u3057\u3066\u3001\u305d\u306eshop_id\u3092\u5909\u63db\u3057\u540c\u3058\u3082\u306e\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u5f71\u97ff\u3069\u3093\u306a\u3082\u3093\u306a\u3093\u3060\u308d\u3046\uff1f\uff1f\uff1f\u305d\u308c\u307b\u3069\u5927\u304d\u304f\u306a\u3044\u6c17\u3082\u3057\u307e\u3059\u304c\u3001\u3068\u308a\u3042\u3048\u305a\u30e1\u30e2\u3002<\/p>\n\n\n\n<p>3. \u30b7\u30f3\u30d7\u30eb\u306atrain\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u4f5c\u6210<br>\u3000date_block_num, shop_id, item_id\u306e\u30ab\u30e9\u30e0\u3068\u305d\u308c\u3089\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u5408\u8a08\u5024\u3092item_cnt_month\u3068\u3057\u3066\u4f5c\u6210\u3057\u3001\u305d\u306e\u4e8c\u3064\u3092\u7d50\u5408\u3057\u307e\u3059\u3002\u3053\u306e\u6642shop_id\u3068item_id\u306f\u305d\u308c\u305e\u308cunique\u3067\u3042\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8fba\u308a\u306e\u7d30\u304b\u3044\u51e6\u7406\u304c\u5dee\u306b\u306a\u308b\u306e\u304b\u3082\u3002<\/p>\n\n\n\n<p>4. test\u306bdate_block_num\u3092\u7d50\u5408<br>\u3000\u50d5\u306f2015\u5e7411\u6708\u3068\u3057\u3066test\u3092\u6271\u3063\u3066\u307e\u3057\u305f\u304c\u3001date_block_num\u306e\u307f\u3067\u6642\u7cfb\u5217\u60c5\u5831\u3092\u8868\u73fe\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u3053\u306e\u8fba\u308a\u3082\u7d50\u679c\u306b\u5dee\u304c\u51fa\u308b\u8981\u7d20\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>5. shop\u306e\u60c5\u5831\u3092\u30c6\u30fc\u30d6\u30eb\u5316<br>\u3000\u30ed\u30b7\u30a2\u8a9e\u306a\u306e\u3067\u89e6\u308c\u306a\u304b\u3063\u305fshop_name\u3092\u5206\u89e3\u3057\u3001city\u306e\u540d\u524d\u3092\u62bd\u51fa\u3057\u3066\u5ea7\u6a19\u3092\u8f9e\u66f8\u5316\u3057\u3066\u3001shop\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3066\u307e\u3059\u3002\u305d\u306e\u5ea7\u6a19\u3092(a,b,c)\u3068\u3057\u3066\u5165\u529b\u3057\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u4e2d\u306b\u305d\u308c\u305e\u308c\u3092\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002shop_name, a, b, c\u3068\u30b3\u30fc\u30c9\u5316\u3057\u305fcityname\u3092\u5165\u529b\u3002\u3053\u306e\u8fba\u308a\u306e\u30b3\u30fc\u30c9\u306f\u3071\u3063\u3068\u898b\u308f\u304b\u3089\u306a\u3044\u306e\u3067\u89e3\u8aad\u3057\u306a\u304c\u3089\u3058\u3083\u306a\u3044\u3068\u53c2\u8003\u306b\u3067\u304d\u306a\u3055\u305d\u3046\u3002shop\u306erank\u3088\u308a\u3082\u6b63\u3057\u3044\u3002\u3061\u306a\u307f\u306b\u5ea7\u6a19\u306ec\u306fcountry_code\u3089\u3057\u3044\u3067\u3059\u3002\u3053\u308c\u3082\u3069\u3046\u3084\u3063\u3066\u8abf\u3079\u308b\u3093\u3060\u308d\u3046\uff1f<\/p>\n\n\n\n<p>6. item\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210<br>\u3000\u3053\u3061\u3089\u3082\u30ed\u30b7\u30a2\u8a9e\u3067\u89e3\u6790\u3057\u306a\u304b\u3063\u305fcategory\u3092\u89e3\u6790\u3002\u3053\u3061\u3089\u306f\u5171\u901a\u3067\u5165\u3063\u3066\u3044\u308b\u30ef\u30fc\u30c9\u3092\u62bd\u51fa\u3057\u3066\u3001\u5171\u901a\u30ab\u30c6\u30b4\u30ea\u30fc\u30ef\u30fc\u30c9\u3092\u62bd\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8citem_id\u3092\u30ad\u30fc\u3068\u3057\u3066\u30c6\u30fc\u30d6\u30eb\u306b\u7d50\u5408\u3057\u3066\u307e\u3059\u3002\u3075\u3068\u307f\u308b\u3068train\u3068test\u3092\u7d50\u5408\u3057\u3066\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>7. calender\u306e\u4f5c\u6210<br>\u3000\u4f11\u65e5\u306e\u6570\u3068\u305d\u308c\u305e\u308c\u306e\u6708\u306e\u65e5\u6570\u3092\u8a08\u6e2c\u3057\u3066\u30c6\u30fc\u30d6\u30eb\u306b\u7d50\u5408\u3002\u3053\u308c\u307e\u305f\u30b3\u30fc\u30c9\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u3002\u3002\u3002\u4f11\u65e5\u3068\u5e73\u65e5\u306e\u305d\u308c\u305e\u308c\u306e\u65e5\u6570\u304c\u58f2\u308a\u4e0a\u3052\u306b\u5f71\u97ff\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>8. item\u304c\u4f55\u56de\u58f2\u308c\u305f\u304b\u3092\u8a18\u8f09\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210<br>\u3000\u65b0\u88fd\u54c1\u304b\u3089\u53e4\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u58f2\u308c\u305a\u3089\u304f\u306a\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u306d\u3002\u78ba\u304b\u306b\u60f3\u5b9a\u3059\u308b2015\u5e7411\u6708\u306b\u65b0\u88fd\u54c1\u3068\u3057\u3066\u51fa\u308b\u3082\u306e\u3068\u30013\u5e74\u524d\u304b\u3089\u58f2\u3063\u3066\u3044\u308b\u3082\u306e\u3067\u306f\u58f2\u308a\u4e0a\u3052\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3082\u904e\u53bb\u306b\u58f2\u308c\u305f\u3053\u3068\u3082\u306a\u3044item=\u65b0\u88fd\u54c1\u306f\u4eca\u307e\u3067\u306e\u3084\u308a\u65b9\u3067\u306f\u5168\u304f\u58f2\u308c\u306a\u3044\u4e88\u6e2c\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u308c\u3082\u76f2\u70b9\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>9. item\u306e\u5e73\u5747price\u3092\u8ffd\u52a0<br>\u3000item\u306fshop\u3084\u6708\u306b\u3088\u3063\u3066price\u304c\u5909\u308f\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u305d\u306e\u5e73\u5747\u5024\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3082\u30b3\u30fc\u30c9\u304c\u96e3\u3057\u3044\u3002\u3002\u3002<\/p>\n\n\n\n<p>10. Target Encording<br>\u3000\u76f4\u8fd13\u30f6\u6708\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u91cf\u3092\u5f37\u5316\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u99b4\u67d3\u307f\u304c\u306a\u304f\u3001\u4e0d\u52c9\u5f37\u3067\u3057\u305f\u304c\u7279\u5fb4\u91cf\u3092\u65b0\u305f\u306b\u4f5c\u6210\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u5358\u7d14\u306b\u8003\u3048\u305f\u3089\u76f4\u8fd13\u30f6\u6708\u306e\u30c7\u30fc\u30bf\u306f\u5f71\u97ff\u304c\u5f37\u3044\u304b\u3089\u3068\u304b\u305d\u3093\u306a\u5358\u7d14\u306a\u8003\u3048\u65b9\u3067\u826f\u3044\u306e\u304b\uff1f<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u30b3\u30fc\u30c9\u7406\u89e3\u306b\u5927\u3044\u306b\u4e0d\u5b89\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u6539\u5584\u306e\u305f\u3081\u7279\u5fb4\u91cf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3068\u3057\u3066\u3084\u3063\u3066\u308b\u3053\u3068\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u50d5\u306e\u77e5\u8b58\u7684\u306b\u4e0a\u8a18\u3092\u7406\u89e3\u3057\u306a\u304c\u3089\u6539\u5584\u3059\u308b\u306e\u306f\u56f0\u96e3\u3060\u3063\u305f\u305f\u3081\u3001\u3053\u306e\u30b3\u30f3\u30da\u306f\u4e00\u65e6\u7d42\u4e86\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u4ed6\u306e\u30b3\u30f3\u30da\u3084\u672c\u306b\u3088\u308b\u5b66\u7fd2\u3092\u884c\u3063\u305f\u4e0a\u3067\u518d\u5ea6\u30c8\u30e9\u30a4\u3057\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002\u6700\u7d42\u30b3\u30fc\u30c9\u3001\u9806\u4f4d\u306f\u5225\u9014note\u3042\u305f\u308a\u3067\u307e\u3068\u3081\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u306e\u3046\u3061\u30fb\u30fb\u30fb<\/p>\n\n\n\n<p><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u56de\u307e\u3067\u3067item, 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