{"id":47970,"date":"2024-12-02T12:33:10","date_gmt":"2024-12-02T04:33:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47970\/"},"modified":"2024-12-02T12:33:10","modified_gmt":"2024-12-02T04:33:10","slug":"php-%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e4%b8%8e-r-%e4%ba%a4%e4%ba%92%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47970\/","title":{"rendered":"PHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f<\/h1>\n

\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

PHP\u53ef\u4ee5\u901a\u8fc7Rserve\u4e0eR\u4ea4\u4e92\uff1a\u5b89\u88c5Rserve\u5305\u5e76\u4e0eRserve\u8fde\u63a5\u4f7f\u7528eval()\u51fd\u6570\u6267\u884cR\u4ee3\u7801\u4f7f\u7528get()\u51fd\u6570\u83b7\u53d6R\u5bf9\u8c61\u4f7f\u7528assign()\u51fd\u6570\u5411R\u53d1\u9001\u5bf9\u8c61\u5b9e\u6218\u6848\u4f8b\uff1a\u4f7f\u7528PHP Rserve\u9884\u6d4b\u8461\u8404\u9152\u4ef7\u683c<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

PHP \u548c R \u90fd\u662f\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5728\u4e0d\u540c\u7684\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8fde\u63a5\u8fd9\u4e24\u8005\u53ef\u4ee5\u8ba9\u4f60\u5229\u7528 R \u7684\u7edf\u8ba1\u548c\u673a\u5668\u5b66\u4e60\u4f18\u52bf\u6765\u589e\u5f3a\u4f60\u7684 PHP \u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

\u4f7f\u7528 Rserve<\/strong><\/p>\n

Rserve \u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5305\uff0c\u5141\u8bb8 PHP \u4e0e R \u4ea4\u4e92\u3002\u8981\u5b89\u88c5\u5b83\uff0c\u8bf7\u8fd0\u884c\uff1a<\/p>\n

sudo apt install r-cran-rserve<\/pre>\n
\u5728 PHP \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 rserve<\/code> \u51fd\u6570\u4e0e Rserve \u901a\u4fe1\uff1a<\/p>\n
$rs = new Rserve\\Rserve();\n$rs->connect();<\/pre>\n
\u6267\u884c R \u4ee3\u7801<\/strong><\/p>\n
\u8981\u6267\u884c R \u4ee3\u7801\uff0c\u8bf7\u4f7f\u7528 eval<\/code> \u51fd\u6570\uff1a<\/p>\n
$rs->eval(\"mean(c(1, 2, 3))\"); \/\/ \u8fd4\u56de 2<\/pre>\n
\u83b7\u53d6 R \u5bf9\u8c61<\/strong><\/p>\n
\u8981\u83b7\u53d6 R \u5bf9\u8c61\uff0c\u8bf7\u4f7f\u7528 get<\/code> \u51fd\u6570\uff1a<\/p>\n
$data = $rs->get(\"myData\"); \/\/ \u83b7\u53d6\u540d\u4e3a \"myData\" \u7684 R \u5bf9\u8c61<\/pre>\n
\u53d1\u9001 R \u5bf9\u8c61<\/strong><\/p>\n
\u8981\u5411 R \u53d1\u9001\u5bf9\u8c61\uff0c\u8bf7\u4f7f\u7528 assign<\/code> \u51fd\u6570\uff1a<\/p>\n
$rs->assign(\"myData\", array(1, 2, 3)); \/\/ \u53d1\u9001\u6570\u7ec4<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u8ba9\u6211\u4eec\u4f7f\u7528 PHP Rserve \u6765\u9884\u6d4b\u8461\u8404\u9152\u4ef7\u683c\uff1a<\/p>\n
1. \u8bfb\u53d6\u6570\u636e\u96c6<\/strong><\/p>\n
$data = csv_to_array(\"wines.csv\");<\/pre>\n
2. \u4e0e R \u8fde\u63a5<\/strong><\/p>\n
$rs = new Rserve\\Rserve();\n$rs->connect();<\/pre>\n
3. \u8bad\u7ec3\u6a21\u578b<\/strong><\/p>\n
\u5728 R \u4e2d\u8bad\u7ec3\u4e00\u4e2a\u7ebf\u6027\u56de\u5f52\u6a21\u578b\uff1a<\/p>\n
rs->eval(\"model <- lm(price ~ ., data = data)\");<\/pre>\n
4. \u9884\u6d4b\u4ef7\u683c<\/strong><\/p>\n
$features = [13, 1.2];\n$prediction = $rs->eval(\"predict(model, newdata=data.frame(alcohol=$features[0], acidity=$features[1]))\");<\/pre>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u901a\u8fc7\u4f7f\u7528 Rserve\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece PHP \u4e2d\u4e0e R \u4ea4\u4e92\u3002\u8fd9\u4f7f\u5f97\u4f60\u80fd\u8bbf\u95ee R \u5f3a\u5927\u7684\u7edf\u8ba1\u548c\u673a\u5668\u5b66\u4e60\u529f\u80fd\uff0c\u4ece\u800c\u589e\u5f3a\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f \u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP\u53ef\u4ee5\u901a\u8fc7Rserve\u4e0eR\u4ea4\u4e92\uff1a\u5b89\u88c5Rserve\u5305\u5e76\u4e0eRserve\u8fde\u63a5\u4f7f\u7528eval()\u51fd\u6570\u6267\u884cR\u4ee3\u7801\u4f7f\u7528get()\u51fd\u6570\u83b7\u53d6R\u5bf9\u8c61\u4f7f\u7528assign()\u51fd\u6570\u5411R\u53d1\u9001\u5bf9\u8c61\u5b9e\u6218\u6848\u4f8b\uff1a\u4f7f\u7528PHP Rserve\u9884\u6d4b\u8461\u8404\u9152\u4ef7\u683c PHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92 \u7b80\u4ecb PHP \u548c R \u90fd\u662f\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5728\u4e0d\u540c\u7684\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8fde\u63a5\u8fd9\u4e24\u8005\u53ef\u4ee5\u8ba9\u4f60\u5229\u7528 R \u7684\u7edf\u8ba1\u548c\u673a\u5668\u5b66\u4e60\u4f18\u52bf\u6765\u589e\u5f3a\u4f60\u7684 PHP \u5e94\u7528\u7a0b\u5e8f\u3002 \u4f7f\u7528 Rserve Rserve \u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5305\uff0c\u5141\u8bb8 PHP \u4e0e R \u4ea4\u4e92\u3002\u8981\u5b89\u88c5\u5b83\uff0c\u8bf7\u8fd0\u884c\uff1a sudo apt install r-cran-rserve \u5728 PHP \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 rserve \u51fd\u6570\u4e0e Rserve \u901a\u4fe1\uff1a $rs = new Rserve\\Rserve(); $rs->connect(); \u6267\u884c R \u4ee3\u7801 \u8981\u6267\u884c R \u4ee3\u7801\uff0c\u8bf7\u4f7f\u7528 eval \u51fd\u6570\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47970","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47970"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47970\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}