{"id":321,"date":"2023-02-20T13:17:44","date_gmt":"2023-02-20T13:17:44","guid":{"rendered":"https:\/\/yunshangtulv.com.cn\/?p=321"},"modified":"2023-02-20T13:17:44","modified_gmt":"2023-02-20T13:17:44","slug":"r%e8%af%ad%e8%a8%80%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e9%80%9f%e8%a7%88","status":"publish","type":"post","link":"https:\/\/yunshangtulv.com.cn\/?p=321","title":{"rendered":"R\u8bed\u8a00\u57fa\u7840\u77e5\u8bc6\u901f\u89c8"},"content":{"rendered":"

\u57fa\u672c\u8bed\u6cd5<\/strong><\/p>

<\/p>\n

\u8fdb\u5165\u4ea4\u4e92\u5f0f\u7f16\u7a0b\u7a97\u53e3<\/h2>\n
R<\/code><\/pre>\n
\u5de5\u4f5c\u76ee\u5f55<\/h2>\n
    \n
  • getwd()<\/strong>\u00a0<\/span>: \u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/li>\n
  • setwd()<\/strong>\u00a0<\/span>: \u8bbe\u7f6e\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/li>\n<\/ul>\n
    \n
    \u5b9e\u4f8b<\/h3>\n
    # \u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\r\ngetwd()\r\n\r\n# \u8bbe\u7f6e\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\r\nsetwd(\"\/\u6559\u7a0b\")\r\n\r\n# \u67e5\u770b\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\r\ngetwd()<\/code><\/pre>\n
     <\/p>\n<\/div>\n
    <\/span><\/pre>\n
    \u9000\u51fa\u4ea4\u4e92\u5f0f\u7f16\u7a0b\u7a97\u53e3<\/h2>\n
    q()<\/code><\/pre>\n
    \u6267\u884c\u6587\u4ef6\u811a\u672c<\/h2>\n
    Rscript XXXX.R   #XXXX\u4e3a\u540e\u7f00\u4e3a.R\u7684\u6587\u4ef6\u540d<\/code><\/pre>\n
     <\/p>\n
     <\/p>\n
    \u53d8\u91cf\u53ca\u5176\u547d\u540d<\/h2>\n
    \u6709\u6548\u53d8\u91cf\u547d\u540d\uff1a<\/p>\n
      \n
    • \u7ec4\u6210\uff1a\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u70b9\u53f7\u00a0<\/span>.<\/span>\u00a0<\/span>\u6216\u4e0b\u5212\u7ebf\u00a0<\/span>_<\/span>\u00a0<\/span><\/li>\n
    • \u4ee5\u5b57\u6bcd\u6216\u70b9\u5f00\u5934<\/li>\n
    • \u4e0d\u80fd\u6570\u5b57\u5f00\u5934<\/li>\n
    • \u4e0d\u80fd\u4ee5\u4e0b\u5212\u7ebf _ \u5f00\u5934<\/li>\n
    • . \u53f7\u5f00\u5934\u540e\u9762\u4e0d\u80fd\u8ddf\u7740\u6570\u5b57<\/li>\n
    • \u4e0d\u53ef\u5305\u542b\u975e\u6cd5\u5b57\u7b26\uff0c\u5982%<\/li>\n<\/ul>\n
      \u53d8\u91cf\u8d4b\u503c<\/h2>\n
      \u8d4b\u503c\u65b9\u5f0f\uff1a<\/h3>\n
        \n
      • \u5de6\u7bad\u5934\u00a0<\/span><-<\/span><\/li>\n
      • \u7b49\u53f7\u00a0<\/span>=<\/span> <\/span><\/li>\n
      • \u53f3\u7bad\u5934\u00a0<\/span>-><\/span>\u00a0<\/span><\/li>\n<\/ul>\n
        \n
        \u5b9e\u4f8b<\/h3>\n
        \n
        # \u7b49\u53f7 = \u53f7\u8d4b\u503c\r\nvar_name = c(0,1,2,3)\r\n\r\n# \u5de6\u7bad\u5934 <-\u8d4b\u503c \r\nvar_name <- c(0,1,2,3) \u00a0 \r\n\r\n# \u53f3\u7bad\u5934 -> \u8d4b\u503c \r\nc(0,1,2,3) -> var_name \r\n<\/code><\/pre>\n
        \u8f93\u5165\u8f93\u51fa<\/h2>\n
        print()<\/code><\/pre>\n
        \u5b9e\u4f8b<\/h3>\n
        print(var_name)<\/code><\/pre>\n<\/div>\n<\/div>\n
        \u67e5\u770b\u5df2\u5b9a\u4e49\u7684\u53d8\u91cf<\/h2>\n
        \u00a0<\/span>ls()<\/strong>\u00a0<\/span>\u51fd\u6570<\/p>\n
        \n
        \u5b9e\u4f8b<\/h3>\n
        \n
        ls()\r\nprint(ls())\r\n#\u6ce8\u610f\u4e24\u8005\u4e4b\u95f4\u8fd0\u7b97\u7ed3\u679c\u533a\u522b<\/code><\/pre>\n<\/div>\n<\/div>\n
        \u5220\u9664\u53d8\u91cf<\/h2>\n
        \u00a0<\/span>rm()<\/strong>\u00a0<\/span>\u51fd\u6570<\/p>\n
        \n
        \u5b9e\u4f8b<\/h3>\n
        <\/span><\/p>\n
        rm(var_name)\r\nprint(ls())<\/code><\/pre>\n<\/div>\n
        \u6ce8\u91ca<\/span><\/h2>\n
          \n
        • \u8ba9\u9605\u8bfb\u8005\u66f4\u6613\u7406\u89e3<\/li>\n
        • \u7f16\u7a0b\u8bed\u8a00\u7684\u6ce8\u91ca\u4f1a\u88ab\u7f16\u8bd1\u5668\u5ffd\u7565\u6389\uff0c\u4e14\u4e0d\u4f1a\u5f71\u54cd\u4ee3\u7801\u7684\u6267\u884c<\/li>\n
        • R \u8bed\u8a00\u53ea\u652f\u6301\u5355\u884c\u6ce8\u91ca\uff0c\u6ce8\u91ca\u7b26\u53f7\u4e3a #<\/li>\n<\/ul>\n
          #\u8fd9\u662f\u5355\u884c\u6ce8\u91ca<\/code><\/pre>\n
          #\u4e5f\u53ef\u4ee5\u8fd9\u6837\u4f5c\u4e3a\u591a\u884c\u6ce8\u91ca \r\n#\u662f\u7684\u8fd9\u662f\u591a\u884c\u6ce8\u91ca\u7684\u7b2c\u4e8c\u884c<\/code><\/pre>\n
          \n
          #\u591a\u884c\u6ce8\u91ca\u7684\u5176\u4ed6\u65b9\u6cd5\uff1a\u4f7f\u7528 if \u8bed\u8a00\r\nif(FALSE) {\r\n    \"\r\n    \u8fd9\u662f\u4e00\u4e2a\u591a\u884c\u6ce8\u91ca\u7684\u5b9e\u4f8b\r\n    \u6ce8\u91ca\u5185\u5bb9\u653e\u5728\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\u4e4b\u95f4\r\n    \"\r\n}<\/code><\/pre>\n<\/div>\n<\/div>\n
          <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":111,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-321","post","type-post","status-publish","format-standard","hentry","category-r"],"_links":{"self":[{"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=\/wp\/v2\/users\/111"}],"replies":[{"embeddable":true,"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=321"}],"version-history":[{"count":0,"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/321\/revisions"}],"wp:attachment":[{"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunshangtulv.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}