“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
Xgboost\uff1a<\/p>\n
\u4f18\u7f3a\u70b9\uff1a1\uff09\u5728\u5bfb\u627e\u6700\u4f73\u5206\u5272\u70b9\u65f6\uff0c\u8003\u8651\u4f20\u7edf\u7684\u679a\u4e3e\u6bcf\u4e2a\u7279\u5f81\u7684\u6240\u6709\u53ef\u80fd\u5206\u5272\u70b9\u7684\u8d2a\u5fc3\u6cd5\u6548\u7387\u592a\u4f4e\uff0cxgboost\u5b9e\u73b0\u4e86\u4e00\u79cd\u8fd1\u4f3c\u7684\u7b97\u6cd5\u3002\u5927\u81f4\u7684\u601d\u60f3\u662f\u6839\u636e\u767e\u5206\u4f4d\u6cd5\u5217\u4e3e\u51e0\u4e2a\u53ef\u80fd\u6210\u4e3a\u5206\u5272\u70b9\u7684\u5019\u9009\u8005\uff0c\u7136\u540e\u4ece\u5019\u9009\u8005\u4e2d\u6839\u636e\u4e0a\u9762\u6c42\u5206\u5272\u70b9\u7684\u516c\u5f0f\u8ba1\u7b97\u627e\u51fa\u6700\u4f73\u7684\u5206\u5272\u70b9\u30022\uff09xgboost\u8003\u8651\u4e86\u8bad\u7ec3\u6570\u636e\u4e3a\u7a00\u758f\u503c\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u4e3a\u7f3a\u5931\u503c\u6216\u8005\u6307\u5b9a\u7684\u503c\u6307\u5b9a\u5206\u652f\u7684\u9ed8\u8ba4\u65b9\u5411\uff0c\u8fd9\u80fd\u5927\u5927\u63d0\u5347\u7b97\u6cd5\u7684\u6548\u7387\uff0cpaper\u63d0\u523050\u500d\u30023\uff09\u7279\u5f81\u5217\u6392\u5e8f\u540e\u4ee5\u5757\u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u5728\u8fed\u4ee3\u4e2d\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\uff1b\u867d\u7136boosting\u7b97\u6cd5\u8fed\u4ee3\u5fc5\u987b\u4e32\u884c\uff0c\u4f46\u662f\u5728\u5904\u7406\u6bcf\u4e2a\u7279\u5f81\u5217\u65f6\u53ef\u4ee5\u505a\u5230\u5e76\u884c\u30024\uff09\u6309\u7167\u7279\u5f81\u5217\u65b9\u5f0f\u5b58\u50a8\u80fd\u4f18\u5316\u5bfb\u627e\u6700\u4f73\u7684\u5206\u5272\u70b9\uff0c\u4f46\u662f\u5f53\u4ee5\u884c\u8ba1\u7b97\u68af\u5ea6\u6570\u636e\u65f6\u4f1a\u5bfc\u81f4\u5185\u5b58\u7684\u4e0d\u8fde\u7eed\u8bbf\u95ee\uff0c\u4e25\u91cd\u65f6\u4f1a\u5bfc\u81f4cache miss\uff0c\u964d\u4f4e\u7b97\u6cd5\u6548\u7387\u3002paper\u4e2d\u63d0\u5230\uff0c\u53ef\u5148\u5c06\u6570\u636e\u6536\u96c6\u5230\u7ebf\u7a0b\u5185\u90e8\u7684buffer\uff0c\u7136\u540e\u518d\u8ba1\u7b97\uff0c\u63d0\u9ad8\u7b97\u6cd5\u7684\u6548\u7387\u30025\uff09xgboost \u8fd8\u8003\u8651\u4e86\u5f53\u6570\u636e\u91cf\u6bd4\u8f83\u5927\uff0c\u5185\u5b58\u4e0d\u591f\u65f6\u600e\u4e48\u6709\u6548\u7684\u4f7f\u7528\u78c1\u76d8\uff0c\u4e3b\u8981\u662f\u7ed3\u5408\u591a\u7ebf\u7a0b\u3001\u6570\u636e\u538b\u7f29\u3001\u5206\u7247\u7684\u65b9\u6cd5\uff0c\u5c3d\u53ef\u80fd\u7684\u63d0\u9ad8\u7b97\u6cd5\u7684\u6548\u7387\u3002<\/p>\n
\u9002\u7528\u573a\u666f\uff1a\u5206\u7c7b\u56de\u5f52\u95ee\u9898\u90fd\u53ef\u4ee5\u3002<\/p>\n
Rf\uff1a<\/p>\n
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\u9002\u7528\u573a\u666f\uff1a\u6570\u636e\u7ef4\u5ea6\u76f8\u5bf9\u4f4e\uff08\u51e0\u5341\u7ef4\uff09\uff0c\u540c\u65f6\u5bf9\u51c6\u786e\u6027\u6709\u8f83\u9ad8\u8981\u6c42\u65f6\u3002\u56e0\u4e3a\u4e0d\u9700\u8981\u5f88\u591a\u53c2\u6570\u8c03\u6574\u5c31\u53ef\u4ee5\u8fbe\u5230\u4e0d\u9519\u7684\u6548\u679c\uff0c\u57fa\u672c\u4e0a\u4e0d\u77e5\u9053\u7528\u4ec0\u4e48\u65b9\u6cd5\u7684\u65f6\u5019\u90fd\u53ef\u4ee5\u5148\u8bd5\u4e00\u4e0b\u968f\u673a\u68ee\u6797\u3002<\/p>\n
Lr\uff1a<\/p>\n
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<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u53c2\u8003\u56de\u7b54\uff1a Xgboost\uff1a \u4f18\u7f3a\u70b9\uff1a1\uff09\u5728\u5bfb\u627e\u6700\u4f73\u5206\u5272\u70b9\u65f6\uff0c\u8003\u8651\u4f20\u7edf\u7684\u679a\u4e3e\u6bcf […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-45039","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45039","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=45039"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45039\/revisions"}],"predecessor-version":[{"id":45040,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45039\/revisions\/45040"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=45039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=45039"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=45039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}