{"id":872,"date":"2023-09-27T04:10:58","date_gmt":"2022-09-28T21:01:58","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/r%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%aeunique%e9%96%a2%e6%95%b0\/"},"modified":"2025-08-01T03:10:28","modified_gmt":"2025-07-31T18:10:28","slug":"r%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%aeunique%e9%96%a2%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/r%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%aeunique%e9%96%a2%e6%95%b0\/","title":{"rendered":"R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306eunique()\u95a2\u6570"},"content":{"rendered":"

R\u306eunique\uff08\uff09\u95a2\u6570\u306f\u3001\u30d9\u30af\u30c8\u30eb\u3001\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3001\u307e\u305f\u306f\u884c\u5217\u306b\u5b58\u5728\u3059\u308b\u91cd\u8907\u3057\u305f\u5024\u3084\u884c\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

unique()\u95a2\u6570\u306f\u3001\u63a2\u7d22\u7684\u30c7\u30fc\u30bf\u5206\u6790\uff08EDA\uff09\u306b\u304a\u3044\u3066\u91cd\u8981\u6027\u304c\u898b\u51fa\u3055\u308c\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u5185\u306e\u91cd\u8907\u5024\u3092\u76f4\u63a5\u7684\u306b\u7279\u5b9a\u3057\u3001\u524a\u9664\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001R\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306eunique()\u95a2\u6570\u306e\u3055\u307e\u3056\u307e\u306a\u5fdc\u7528\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3044\u3056\u30b9\u30bf\u30fc\u30c8\u3067\u3059\uff01<\/p>\n

\n

\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u5f97\u308b\u3068\u3044\u3046\u30a2\u30a4\u30c7\u30a2<\/h2>\n

\u305d\u308c\u3067\u306f\u3001\u8a71\u984c\u306b\u5165\u308b\u524d\u306b\u3001\u305d\u306e\u80cc\u5f8c\u306b\u3042\u308b\u30a2\u30a4\u30c7\u30a2\u3092\u77e5\u308b\u3053\u3068\u304c\u826f\u3044\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u305d\u308c\u306f\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3067\u3059\u3002\u30e6\u30cb\u30fc\u30af\u306a\u95a2\u6570\u306f\u3001\u91cd\u8907\u3057\u305f\u30ab\u30a6\u30f3\u30c8\u3092\u6392\u9664\u3057\u3066\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n

\"Unique<\/div>\n

\u56f3\u306f\u3001\u30e6\u30cb\u30fc\u30af\u306a\u95a2\u6570\u304c\u91cd\u8907\u3092\u691c\u7d22\u3057\u3001\u305d\u308c\u3092\u6392\u9664\u3057\u3066\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u8fd4\u3059\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u826f\u3044\u3053\u3068\u3092\u6559\u3048\u308b\u305f\u3081\u306b\u591a\u304f\u306e\u30a4\u30e9\u30b9\u30c8\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n

R\u306b\u304a\u3051\u308bUnique()\u95a2\u6570\u306e\u69cb\u6587<\/h2>\n

\u30e6\u30cb\u30fc\u30af: unique()\u95a2\u6570\u306f\u3001\u30c7\u30fc\u30bf\u5185\u306b\u5b58\u5728\u3059\u308b\u91cd\u8907\u30ab\u30a6\u30f3\u30c8\u3092\u7279\u5b9a\u3057\u3001\u9664\u53bb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

unique(<\/span>x)<\/span>\r\n<\/code><\/pre>\n
\u3069\u3053\u3067\uff1a<\/p>\n
X\u306f\u30d9\u30af\u30c8\u30eb\u3001\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3001\u307e\u305f\u306f\u884c\u5217\u306e\u3044\u305a\u308c\u304b\u3067\u3059\u3002<\/p>\n
\n
R \u3067\u306e unique() \u95a2\u6570\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b<\/h2>\n
\u30d9\u30af\u30c8\u30eb\u306b\u91cd\u8907\u3057\u305f\u5024\u304c\u3042\u308b\u5834\u5408\u3001unique() \u95a2\u6570\u306e\u4f7f\u7528\u306b\u3088\u308a\u3001\u305f\u3063\u305f\u4e00\u884c\u306e\u30b3\u30fc\u30c9\u3067\u7c21\u5358\u306b\u305d\u308c\u3089\u3092\u9664\u53bb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3069\u3046\u3044\u3046\u98a8\u306b\u6a5f\u80fd\u3059\u308b\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002 (Dou iu fuu ni kinou suru ka mite mimashou.)<\/p>\n
#An input vector having duplicate values<\/span>\r\ndf<-<\/span>c(<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>,<\/span>2<\/span>,<\/span>4<\/span>,<\/span>5<\/span>,<\/span>1<\/span>,<\/span>6<\/span>,<\/span>8<\/span>,<\/span>9<\/span>,<\/span>8<\/span>,<\/span>6<\/span>)<\/span>\r\n\r\n#elimnates the duplicate values in the vector <\/span>\r\nunique(<\/span>df)<\/span>\r\n<\/code><\/pre>\n
Output = 1 2 3 4 5 6 8 9\r\n<\/code><\/pre>\n
\u4e0a\u306e\u30a4\u30e9\u30b9\u30c8\u3067\u306f\u3001\u5165\u529b\u30d9\u30af\u30c8\u30eb\u306b\u306f\u591a\u304f\u306e\u91cd\u8907\u3057\u305f\u5024\u304c\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3001\u79c1\u305f\u3061\u304c\u305d\u306e\u30d9\u30af\u30c8\u30eb\u3092\u30e6\u30cb\u30fc\u30af\u306a\u95a2\u6570\u306b\u6e21\u3059\u3068\u3001\u91cd\u8907\u3057\u305f\u5024\u306f\u3059\u3079\u3066\u53d6\u308a\u9664\u304b\u308c\u3001\u30e6\u30cb\u30fc\u30af\u306a\u5024\u306e\u307f\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n
\n
\u884c\u5217\u5185\u306e\u4e00\u610f\u306e\u5024\u3092\u898b\u3064\u3051\u308b<\/h2>\n
\u4eca\u3001\u79c1\u305f\u3061\u306f\u884c\u5217\u306b\u5b58\u5728\u3059\u308b\u91cd\u8907\u3057\u305f\u5024\u3092\u898b\u3064\u3051\u3001\u30e6\u30cb\u30fc\u30af\u306a\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3089\u3092\u524a\u9664\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u306b\u306f\u3001\u307e\u305a\u91cd\u8907\u3059\u308b\u5024\u3092\u6301\u3064\u300cn\u300d\u884c\u3068\u5217\u306e\u884c\u5217\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001\u884c\u5217\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
#creates a 6 x 4 matrix having 24 elements <\/span>\r\ndf<-<\/span>matrix(<\/span>rep(<\/span>1<\/span>:<\/span>20<\/span>,<\/span>length.out=<\/span>24<\/span>)<\/span>,<\/span>nrow =<\/span> 6<\/span>,<\/span>ncol=<\/span>4<\/span>,<\/span>byrow =<\/span> T)<\/span>\r\n<\/code><\/pre>\n
      [,1] [,2] [,3] [,4]\r\n[1,]    1    2    3    4\r\n[2,]    5    6    7    8\r\n[3,]    9   10   11   12\r\n[4,]   13   14   15   16\r\n[5,]   17   18   19   20\r\n[6,]    1    2    3    4\r\n<\/code><\/pre>\n
\u7c21\u5358\u306b\u6c17\u3065\u3051\u308b\u3088\u3046\u306b\u3001\u6700\u5f8c\u306e\u884c\u304c\u5b8c\u5168\u306b\u91cd\u8907\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002unique\uff08\uff09\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u91cd\u8907\u3057\u305f\u5024\u3092\u524a\u9664\u3059\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002<\/p>\n
#removes the duplicate values<\/span>\r\nunique(<\/span>df)<\/span>\r\n<\/code><\/pre>\n
       [,1] [,2] [,3] [,4]\r\n[1,]    1    2    3    4\r\n[2,]    5    6    7    8\r\n[3,]    9   10   11   12\r\n[4,]   13   14   15   16\r\n[5,]   17   18   19   20\r\n<\/code><\/pre>\n
\u3084\u3063\u305f\uff01<\/p>\n
\u3084\u3063\u305f\u306d\uff01\u884c\u5217\u5185\u306e\u91cd\u8907\u3057\u305f\u5024\u306f\u3001\u30e6\u30cb\u30fc\u30af\u306a\u95a2\u6570\u306b\u3088\u3063\u3066\u524a\u9664\u3055\u308c\u3001\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3060\u3051\u3092\u542b\u3080\u884c\u5217\u304c\u8fd4\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\n
\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u5185\u306e\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u898b\u3064\u3051\u308b<\/h2>\n
\u4eca\u307e\u3067\u3001\u79c1\u305f\u3061\u306f\u30d9\u30af\u30c8\u30eb\u3068\u884c\u5217\u306b\u53d6\u308a\u7d44\u3093\u3067\u3001\u91cd\u8907\u3057\u305f\u6570\u3092\u524a\u9664\u3057\u3001\u4e00\u610f\u306e\u5024\u3092\u62bd\u51fa\u3059\u308b\u4f5c\u696d\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u306b\u5b58\u5728\u3059\u308b\u4e00\u610f\u306e\u5024\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
#creates a data frame<\/span>\r\n><\/span> Class_data<-<\/span>data.frame(<\/span>Student=<\/span>c(<\/span>'Naman'<\/span>,<\/span>'Megh'<\/span>,<\/span>'Mark'<\/span>,<\/span>'Naman'<\/span>,<\/span>'Megh'<\/span>,<\/span>'Mark'<\/span>)<\/span>,<\/span>Age=<\/span>c(<\/span>22<\/span>,<\/span>23<\/span>,<\/span>24<\/span>,<\/span>22<\/span>,<\/span>23<\/span>,<\/span>24<\/span>)<\/span>,<\/span>Gender=<\/span>c(<\/span>'Male'<\/span>,<\/span>'Female'<\/span>,<\/span>'Male'<\/span>,<\/span>'Male'<\/span>,<\/span>'Female'<\/span>,<\/span>'Male'<\/span>)<\/span>)<\/span>\r\n\r\n#dataframe<\/span>\r\nClass_data\r\n<\/code><\/pre>\n
   Student Age Gender\r\n1   Naman  22   Male\r\n2    Megh  23  Female\r\n3    Mark  24   Male\r\n4   Naman  22   Male\r\n5    Megh  23  Female\r\n6    Mark  24   Male\r\n<\/code><\/pre>\n
\u4e0a\u8a18\u306b\u793a\u3059\u91cd\u8907\u6570\u3092\u6301\u3064\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3067\u3059\u3002\u3053\u3053\u306b\u3042\u308b\u91cd\u8907\u5024\u3092\u53d6\u308a\u9664\u304f\u305f\u3081\u306b\u3001\u30e6\u30cb\u30fc\u30af\u95a2\u6570\u3092\u9069\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
unique(<\/span>Class_data)<\/span>\r\n<\/code><\/pre>\n
   Student Age  Gender\r\n1   Naman  22   Male\r\n2    Megh  23  Female\r\n3    Mark  24   Male\r\n<\/code><\/pre>\n
\u308f\u3042\uff01\u30e6\u30cb\u30fc\u30af\u306a\u6a5f\u80fd\u306f\u3001\u91cd\u8907\u3057\u305f\u5024\u3092\u6392\u9664\u3057\u3066\u3001\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u306b\u5b58\u5728\u3059\u308b\u3059\u3079\u3066\u306e\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u8fd4\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u305f\u3060\u3053\u3093\u306a\u98a8\u306b\u3001R\u306eunique()\u95a2\u6570\u3092\u4f7f\u3048\u3070\u3001\u30c7\u30fc\u30bf\u306b\u542b\u307e\u308c\u308b\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u7c21\u5358\u306b\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n
\u7279\u5b9a\u306e\u5217\u306e\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u898b\u3064\u3051\u308b\u3053\u3068<\/h2>\n
\u7279\u5b9a\u306e\u5217\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304b\u3089\u4e00\u610f\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u3069\u3046\u3057\u307e\u3059\u304b\uff1f<\/p>\n
\u5fc3\u914d\u3057\u306a\u3044\u3067\u3001unique\uff08\uff09\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7279\u5b9a\u306e\u5217\u304b\u3089\u4e00\u610f\u306e\u5024\u3082\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
#creates a data frame<\/span>\r\n><\/span> Class_data<-<\/span>data.frame(<\/span>Student=<\/span>c(<\/span>'Naman'<\/span>,<\/span>'Megh'<\/span>,<\/span>'Mark'<\/span>,<\/span>'Naman'<\/span>,<\/span>'Megh'<\/span>,<\/span>'Mark'<\/span>)<\/span>,<\/span>Age=<\/span>c(<\/span>22<\/span>,<\/span>23<\/span>,<\/span>24<\/span>,<\/span>22<\/span>,<\/span>23<\/span>,<\/span>24<\/span>)<\/span>,<\/span>Gender=<\/span>c(<\/span>'Male'<\/span>,<\/span>'Female'<\/span>,<\/span>'Male'<\/span>,<\/span>'Male'<\/span>,<\/span>'Female'<\/span>,<\/span>'Male'<\/span>)<\/span>)<\/span>\r\n\r\n#dataframe<\/span>\r\nClass_data\r\n<\/code><\/pre>\n
   Student Age Gender\r\n1   Naman  22   Male\r\n2    Megh  23  Female\r\n3    Mark  24   Male\r\n4   Naman  22   Male\r\n5    Megh  23  Female\r\n6    Mark  24   Male\r\n<\/code><\/pre>\n
\u306f\u3044\u3001\u7c21\u5358\u306a\u7406\u89e3\u306e\u305f\u3081\u306b\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3057\u305f\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3068\u540c\u3058\u3082\u306e\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u300c\u91cd\u8907\u3057\u305f\u5024\u3092\u6392\u9664\u3059\u308b\u305f\u3081\u306b\u3001\u30e6\u30cb\u30fc\u30af\u306a\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002\u300d<\/p>\n
unique(<\/span>Class_data$<\/span>Student)<\/span>\r\n<\/code><\/pre>\n
Output = \"Naman\" \"Megh\"  \"Mark\" \r\n<\/code><\/pre>\n
\u540c\u69d8\u306b\u3001Age\u3084Gender\u306e\u5217\u3067\u3082\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
unique(<\/span>Class_data$<\/span>Gender)<\/span>\r\n<\/code><\/pre>\n
\"Male\"   \"Female\"\r\n<\/code><\/pre>\n
\n
\u30e6\u30cb\u30fc\u30af\u306a\u5024\u306e\u9577\u3055\u3092\u6c42\u3081\u308b\u3002<\/h2>\n
\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u30e6\u30cb\u30fc\u30af\u306a\u5024\u306e\u6570\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3057\u3001\u3055\u3089\u306a\u308b\u5206\u6790\u306e\u305f\u3081\u306b\u6e96\u5099\u3059\u308b\u305f\u3081\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n
#importing the dataset<\/span>\r\ndatasets::<\/span>BOD\r\n<\/code><\/pre>\n
    Time  demand\r\n1    1     8.3\r\n2    2    10.3\r\n3    3    19.0\r\n4    4    16.0\r\n5    5    15.6\r\n6    7    19.8\r\n<\/code><\/pre>\n
\u3048\u3048\u3068\u3001\u3053\u3053\u3067\u306fBOD\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3092\u898b\u3064\u3051\u3066\u3001\u305d\u306e\u5f8c\u306b\u305d\u306e\u6570\u3092\u6570\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n
#returns the unique value<\/span>\r\nunique(<\/span>BOD$<\/span>demand)<\/span>\r\n<\/code><\/pre>\n
Output = 8.3  10.3 19.0  16.0  15.6  19.8\r\n<\/code><\/pre>\n
\u3067\u306f\u3001BOD\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u9700\u8981\u5217\u306b\u5b58\u5728\u3059\u308b\u30e6\u30cb\u30fc\u30af\u306a\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4eca\u3001\u30e6\u30cb\u30fc\u30af\u306a\u5024\u306e\u6570\u3092\u63a2\u3059\u305f\u3081\u306b\u6e96\u5099\u304c\u6574\u3044\u307e\u3057\u305f\u3002<\/p>\n
#returns the length of unique values<\/span>\r\nlength(<\/span>unique(<\/span>BOD$<\/span>demand)<\/span>)<\/span>\r\n<\/code><\/pre>\n
Output =  6\r\n<\/code><\/pre>\n
\n
\u7de0\u3081\u304f\u304f\u308b (Shimekukuru)<\/h2>\n
\u3048\u3048\u3001R\u306eunique()\u95a2\u6570\u306f\u3001\u63a2\u7d22\u7684\u30c7\u30fc\u30bf\u5206\u6790\uff08EDA\uff09\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u8cb4\u91cd\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n
\u30c7\u30fc\u30bf\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u306e\u306b\u5f79\u7acb\u3061\u3001\u7279\u5b9a\u306e\u30ab\u30a6\u30f3\u30c8\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u8a18\u4e8b\u306f\u3001unique() \u95a2\u6570\u306e\u8907\u6570\u306e\u5fdc\u7528\u3068\u4f7f\u7528\u4f8b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u5206\u6790\u3092\u697d\u3057\u3093\u3067\u304f\u3060\u3055\u3044\uff01<\/p>\n
\u3082\u3063\u3068\u8aad\u3080\uff1aR\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3<\/p>\n","protected":false},"excerpt":{"rendered":"
R\u306eunique\uff08\uff09\u95a2\u6570\u306f\u3001\u30d9\u30af\u30c8\u30eb\u3001\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3001\u307e\u305f\u306f\u884c\u5217\u306b\u5b58\u5728\u3059\u308b\u91cd\u8907\u3057\u305f\u5024\u3084\u884c\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 unique()\u95a2\u6570\u306f\u3001\u63a2\u7d22\u7684\u30c7\u30fc\u30bf\u5206\u6790\uff08EDA\uff09\u306b\u304a\u3044\u3066\u91cd\u8981\u6027\u304c\u898b\u51fa\u3055\u308c\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u5185\u306e\u91cd\u8907\u5024\u3092 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-872","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\nR\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306eunique()\u95a2\u6570 - 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