{"id":242,"date":"2023-06-11T15:59:26","date_gmt":"2023-08-26T10:41:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%9c%a8r%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8min%e5%92%8cmax%e5%87%bd%e6%95%b0\/"},"modified":"2025-08-01T02:49:16","modified_gmt":"2025-07-31T18:49:16","slug":"%e5%9c%a8r%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8min%e5%92%8cmax%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8r%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8min%e5%92%8cmax%e5%87%bd%e6%95%b0\/","title":{"rendered":"R\u8bed\u8a00\u6559\u7a0b\uff1a\u638c\u63e1min()\u548cmax()\u51fd\u6570\u7684\u9ad8\u6548\u7528\u6cd5"},"content":{"rendered":"

\u5728R\u8bed\u8a00\u4e2d\uff0c\u4f7f\u7528min()<\/code>\u548cmax()<\/code>\u51fd\u6570\u975e\u5e38\u7b80\u5355\uff0c\u5b83\u4eec\u80fd\u5e2e\u52a9\u60a8\u8f7b\u677e\u627e\u5230\u6570\u636e\u96c6\u4e2d\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n

\u6211\u4eec\u90fd\u77e5\u9053\uff0cR\u8bed\u8a00\u63d0\u4f9b\u4e86\u50cfmean()<\/code>\u3001median()<\/code>\u3001sd()<\/code>\u548cmode()<\/code>\u7b49\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u6570\u503c\u7684\u5e73\u5747\u503c\u3001\u4e2d\u4f4d\u6570\u3001\u6807\u51c6\u5dee\u548c\u4f17\u6570\uff0c\u4ee5\u8861\u91cf\u6570\u636e\u7684\u96c6\u4e2d\u8d8b\u52bf\u548c\u79bb\u6563\u7a0b\u5ea6\u3002\u4f46\u662f\uff0c\u60a8\u662f\u5426\u66fe\u60f3\u8fc7\uff0c\u6709\u6ca1\u6709\u4e00\u4e2a\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u5411\u91cf\u6216\u6570\u636e\u6846\u4e2d\u7684\u6700\u5c0f\u548c\u6700\u5927\u503c\u5462\uff1f<\/p>\n

\u5982\u679c\u60a8\u7684\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u90a3\u4e48\u606d\u559c\u60a8\uff01R\u8bed\u8a00\u4e2d\u786e\u5b9e\u5b58\u5728\u8fd9\u6837\u7684\u51fd\u6570\uff0c\u5b83\u4eec\u5c31\u662fmin()<\/code>\u548cmax()<\/code>\uff0c\u5206\u522b\u7528\u4e8e\u8fd4\u56de\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n

\u542c\u8d77\u6765\u5f88\u6709\u8da3\uff0c\u5bf9\u5417\uff1f\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u5b83\u4eec\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff01<\/p>\n

\n

\u8bed\u6cd5\u8be6\u89e3<\/h2>\n

min()<\/code>\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

min(<\/span>x,<\/span> na.rm =<\/span> FALSE<\/span>)<\/span><\/code><\/pre>\n
    \n
  • x<\/code>\uff1a\u8868\u793a\u5411\u91cf\u6216\u6570\u636e\u6846\u3002<\/li>\n
  • na.rm<\/code>\uff1a\u7528\u4e8e\u6307\u5b9a\u662f\u5426\u79fb\u9664NA<\/code>\uff08\u7f3a\u5931\u503c\uff09\u3002\u5982\u679c\u8bbe\u7f6e\u4e3aFALSE<\/code>\uff08\u9ed8\u8ba4\u503c\uff09\uff0c\u5219\u4f1a\u8003\u8651NA<\/code>\u503c\uff1b\u5982\u679c\u8bbe\u7f6e\u4e3aTRUE<\/code>\uff0c\u5219\u4f1a\u4ece\u5411\u91cf\u6216\u6570\u636e\u6846\u4e2d\u79fb\u9664NA<\/code>\u503c\u540e\u518d\u8fdb\u884c\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n
    max()<\/code>\u51fd\u6570\u7684\u8bed\u6cd5\u4e0emin()<\/code>\u51fd\u6570\u7c7b\u4f3c\uff1a<\/p>\n
    max(<\/span>x,<\/span> na.rm =<\/span> FALSE<\/span>)<\/span><\/code><\/pre>\n
      \n
    • x<\/code>\uff1a\u8868\u793a\u5411\u91cf\u6216\u6570\u636e\u6846\u3002<\/li>\n
    • na.rm<\/code>\uff1a\u7528\u4e8e\u6307\u5b9a\u662f\u5426\u79fb\u9664NA<\/code>\uff08\u7f3a\u5931\u503c\uff09\u3002\u5982\u679c\u8bbe\u7f6e\u4e3aFALSE<\/code>\uff08\u9ed8\u8ba4\u503c\uff09\uff0c\u5219\u4f1a\u8003\u8651NA<\/code>\u503c\uff1b\u5982\u679c\u8bbe\u7f6e\u4e3aTRUE<\/code>\uff0c\u5219\u4f1a\u4ece\u5411\u91cf\u6216\u6570\u636e\u6846\u4e2d\u79fb\u9664NA<\/code>\u503c\u540e\u518d\u8fdb\u884c\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n
      \n
      R\u8bed\u8a00\u4e2d\u7684max()<\/code>\u51fd\u6570\u5e94\u7528<\/h2>\n
      \u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u5982\u4f55\u67e5\u627e\u5411\u91cf\u4e2d\u7684\u6700\u5927\u503c\u3002\u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5411\u91cf\uff0c\u7136\u540e\u5e94\u7528max()<\/code>\u51fd\u6570\u6765\u83b7\u53d6\u5176\u4e2d\u7684\u6700\u5927\u503c\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5411\u91cf<\/span>\r\nvector<-<\/span>c(<\/span>45.6<\/span>,<\/span>78.8<\/span>,<\/span>65.0<\/span>,<\/span>78.9<\/span>,<\/span>456.7<\/span>,<\/span>345.89<\/span>,<\/span>87.6<\/span>,<\/span>988.3<\/span>)<\/span>\r\n\r\n# \u8fd4\u56de\u5411\u91cf\u4e2d\u7684\u6700\u5927\u503c<\/span>\r\nmax(<\/span>vector)<\/span><\/code><\/pre>\n
      \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a988.3<\/code><\/p>\n
      \n
      R\u8bed\u8a00\u4e2d\u7684min()<\/code>\u51fd\u6570\u5e94\u7528<\/h2>\n
      \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528min()<\/code>\u51fd\u6570\u6765\u67e5\u627e\u5411\u91cf\u4e2d\u7684\u6700\u5c0f\u503c\u3002\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5411\u91cf\uff0c\u7136\u540e\u5c06min()<\/code>\u51fd\u6570\u5e94\u7528\u4e8e\u8be5\u5411\u91cf\uff0c\u4ee5\u8fd4\u56de\u6700\u5c0f\u503c\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5411\u91cf<\/span>\r\nvector<-<\/span>c(<\/span>45.6<\/span>,<\/span>78.8<\/span>,<\/span>65.0<\/span>,<\/span>78.9<\/span>,<\/span>456.7<\/span>,<\/span>345.89<\/span>,<\/span>87.6<\/span>,<\/span>988.3<\/span>)<\/span>\r\n\r\n# \u8fd4\u56de\u5411\u91cf\u4e2d\u7684\u6700\u5c0f\u503c<\/span>\r\nmin(<\/span>vector)<\/span><\/code><\/pre>\n
      \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a45.6<\/code><\/p>\n
      \n
      \u5728R\u8bed\u8a00\u4e2d\u5904\u7406\u542bNA<\/code>\u503c\u7684max()<\/code>\u51fd\u6570<\/h2>\n
      \u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u60a8\u6709\u65f6\u53ef\u80fd\u4f1a\u5728\u6570\u636e\u6846\u6216\u5411\u91cf\u4e2d\u9047\u5230NA<\/code>\uff08\u7f3a\u5931\u503c\uff09\u3002\u4e3a\u4e86\u83b7\u5f97\u6b63\u786e\u7684\u7ed3\u679c\uff0c\u60a8\u9700\u8981\u59a5\u5584\u5904\u7406\u8fd9\u4e9bNA<\/code>\u503c\u3002<\/p>\n
      \u5982\u679cmax()<\/code>\u51fd\u6570\u5728\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u9047\u5230NA<\/code>\u503c\uff0c\u5b83\u5c06\u4e0d\u4f1a\u8fd4\u56de\u4efb\u4f55\u6709\u6548\u6570\u503c\uff0c\u800c\u662f\u8fd4\u56deNA<\/code>\u3002\u56e0\u6b64\uff0c\u60a8\u5fc5\u987b\u4ece\u5411\u91cf\u6216\u6570\u636e\u6846\u4e2d\u79fb\u9664NA<\/code>\u503c\u624d\u80fd\u83b7\u5f97\u6700\u5927\u503c\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5305\u542bNA\u503c\u7684\u5411\u91cf<\/span>\r\ndf<-<\/span> c(<\/span>134<\/span>,<\/span>555<\/span>,<\/span>NA<\/span>,<\/span>567<\/span>,<\/span>876<\/span>,<\/span>543<\/span>,<\/span>NA<\/span>,<\/span>456<\/span>)<\/span>\r\n\r\n# \u7531\u4e8e\u5b58\u5728NA\u503c\uff0cmax\u51fd\u6570\u5c06\u8fd4\u56deNA<\/span>\r\nmax(<\/span>df)<\/span>\r\n\r\n# \u7ed3\u679c\u4e3aNA\uff0c\u800c\u4e0d\u662f\u6700\u5927\u503c<\/span>\r\nOutput =<\/span> NA<\/span><\/code><\/pre>\n
      \u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\u5e76\u83b7\u5f97\u6700\u5927\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528na.rm = TRUE<\/code>\u53c2\u6570\u4ece\u5411\u91cf\u4e2d\u79fb\u9664NA<\/code>\u503c\u3002\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u770b\u5230max()<\/code>\u51fd\u6570\u5c06\u8fd4\u56de\u6b63\u786e\u7684\u6700\u5927\u503c\u3002<\/p>\n
      # max\u51fd\u6570\uff0c\u79fb\u9664NA\u503c\u8bbe\u7f6e\u4e3aTRUE\u3002<\/span>\r\nmax(<\/span>df,<\/span> na.rm =<\/span> T)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = 876<\/p>\n
      \n
      \u5728R\u4e2d\u5904\u7406\u542bNA\u503c\u7684Min()\u51fd\u6570<\/h2>\n
      \u6b63\u5982\u6211\u4eec\u5728\u4e0a\u4e00\u8282\u4e2d\u5e94\u7528\u4e86max\u51fd\u6570\u4e00\u6837\uff0c\u8fd9\u91cc\u6211\u4eec\u8981\u627e\u51fa\u4e00\u4e2a\u542b\u6709NA\u503c\u7684\u5411\u91cf\u4e2d\u7684\u6700\u5c0f\u503c\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5305\u542bNA\u503c\u7684\u5411\u91cf<\/span>\r\ndf<-<\/span> c(<\/span>134<\/span>,<\/span>555<\/span>,<\/span>NA<\/span>,<\/span>567<\/span>,<\/span>876<\/span>,<\/span>543<\/span>,<\/span>NA<\/span>,<\/span>456<\/span>)<\/span>\r\n\r\n# \u8fd4\u56deNA\u800c\u4e0d\u662f\u6700\u5c0f\u503c<\/span>\r\nmin(<\/span>df)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = \u4e0d\u9002\u7528<\/p>\n
      \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u4f7f\u7528na.rm<\/code>\u53c2\u6570\u4ece\u5411\u91cf\u4e2d\u5220\u9664NA\u503c\u3002\u73b0\u5728\u4f60\u53ef\u4ee5\u770b\u5230min()<\/code>\u51fd\u6570\u8fd4\u56de\u4e86\u6700\u5c0f\u503c\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5305\u542bNA\u503c\u7684\u5411\u91cf<\/span>\r\ndf<-<\/span> c(<\/span>134<\/span>,<\/span>555<\/span>,<\/span>NA<\/span>,<\/span>567<\/span>,<\/span>876<\/span>,<\/span>543<\/span>,<\/span>NA<\/span>,<\/span>456<\/span>)<\/span>\r\n\r\n# \u79fb\u9664NA\u503c\u5e76\u8fd4\u56de\u5411\u91cf\u4e2d\u7684\u6700\u5c0f\u503c<\/span>\r\nmin(<\/span>df,<\/span> na.rm =<\/span> T)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = 134<\/p>\n
      \n
      \u5b57\u7b26\u5411\u91cf\u4e2d\u7684Min()\u548cMax()\u51fd\u6570<\/h2>\n
      \u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5df2\u7ecf\u5904\u7406\u4e86\u6570\u503c\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002\u5982\u679c\u6211\u5fc5\u987b\u544a\u8bc9\u4f60\u4e00\u4e9b\u4e8b\u60c5\uff0c\u6211\u5e0c\u671b\u8bf4\u7684\u662f\u4f60\u4e5f\u53ef\u4ee5\u627e\u5230\u5b57\u7b26\u5411\u91cf\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002\u6ca1\u9519\uff0c\u4f60\u6ca1\u542c\u9519\uff01<\/p>\n
      \u8ba9\u6211\u4eec\u770b\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff01<\/p>\n
      \u5bf9\u4e8e\u5b57\u7b26\u5411\u91cf\u7684\u60c5\u51b5\uff0c\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u51fd\u6570\u5c06\u8003\u8651\u5b57\u6bcd\u987a\u5e8f\uff0c\u5e76\u76f8\u5e94\u5730\u8fd4\u56de\u6700\u5c0f\u548c\u6700\u5927\u503c\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e00\u4e9b\u540d\u5b57\u7684\u5b57\u7b26\u5411\u91cf<\/span>\r\ncharacter_vector<-<\/span> c(<\/span>'John'<\/span>,<\/span>'Angelina'<\/span>,<\/span>'Smuts'<\/span>,<\/span>'Garena'<\/span>,<\/span>'Lucifer'<\/span>)<\/span>\r\n\r\n# \u8fd4\u56de\u6700\u5927\u503c<\/span>\r\nmax(<\/span>character_vector)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = \u201cSmuts\u201d<\/p>\n
      \u540c\u6837\u5730\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 min()<\/code> \u51fd\u6570\u6765\u627e\u5230\u5b57\u7b26\u5411\u91cf\u4e2d\u7684\u6700\u5c0f\u503c\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
      # \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e00\u4e9b\u540d\u5b57\u7684\u5b57\u7b26\u5411\u91cf<\/span>\r\ncharacter_vector<-<\/span> c(<\/span>'John'<\/span>,<\/span>'Angelina'<\/span>,<\/span>'Smuts'<\/span>,<\/span>'Garena'<\/span>,<\/span>'Lucifer'<\/span>)<\/span>\r\n\r\n# \u8fd4\u56de\u5411\u91cf\u4e2d\u7684\u6700\u5c0f\u503c<\/span>\r\nmin(<\/span>character_vector)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = “Angelina”<\/p>\n
      \n
      \u6570\u636e\u6846\u4e2d\u7684Min()\u548cMax()\u51fd\u6570<\/h2>\n
      \u8ba9\u6211\u4eec\u901a\u8fc7\u5bfc\u5165\u6570\u636e\u6846\u6765\u5bfb\u627e\u6700\u5c0f\u548c\u6700\u5927\u503c\u3002\u6570\u636e\u96c6\u4e2d\u7684\u6700\u5c0f\u548c\u6700\u5927\u503c\u5c06\u5bf9\u6570\u636e\u5206\u5e03\u7ed9\u51fa\u4e00\u4e2a\u516c\u6b63\u7684\u6982\u5ff5\u3002<\/p>\n
      \u8fd9\u662fR Studio\u4e2d\u53ef\u7528\u7684\u7a7a\u6c14\u8d28\u91cf\u6570\u636e\u96c6\u3002\u8bf7\u6ce8\u610f\uff0c\u6570\u636e\u96c6\u4e2d\u5305\u542bNA\u503c\u3002\u901a\u8fc7\u4f7f\u7528na.rm<\/code>\u51fd\u6570\u53bb\u9664NA\u503c\u7684\u77e5\u8bc6\uff0c\u8ba9\u6211\u4eec\u627e\u51fa\u81ed\u6c27\u503c\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n
      \"\u7a7a\u6c14\u8d28\u91cf\u6570\u636e\u96c6\"<\/div>\n
      min(<\/span>airquality$<\/span>Ozone,<\/span> na.rm=<\/span>T)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = 1<\/p>\n
      \u8fd9\u662f\u6587\u7ae0\u300a\u5728R\u4e2d\u5982\u4f55\u4f7f\u7528min()\u548cmax()\u51fd\u6570\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
      max(<\/span>airquality$<\/span>Ozone,<\/span> na.rm =<\/span> T)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = 168<\/p>\n
      \u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u627e\u51fa\u7a7a\u6c14\u8d28\u91cf\u6570\u636e\u96c6\u4e2d\u6e29\u5ea6\u503c\u7684\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u3002<\/p>\n
      min(<\/span>airquality$<\/span>Temp,<\/span> na.rm =<\/span> T)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = 56<\/p>\n
      max(<\/span>airquality$<\/span>Temp,<\/span> na.rm =<\/span> T)<\/span>\r\n<\/code><\/pre>\n
      \u8f93\u51fa = 97<\/p>\n
      \n
      \u603b\u7ed3<\/h2>\n
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