{"id":105488,"date":"2024-03-22T09:51:41","date_gmt":"2024-03-22T00:51:41","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/r%e8%a8%80%e8%aa%9e%e3%81%a7%e6%ac%a0%e6%90%8d%e5%80%a4%e3%82%92%e5%87%a6%e7%90%86%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95-2\/"},"modified":"2024-04-05T13:49:55","modified_gmt":"2024-04-05T04:49:55","slug":"r%e8%a8%80%e8%aa%9e%e3%81%a7%e6%ac%a0%e6%90%8d%e5%80%a4%e3%82%92%e5%87%a6%e7%90%86%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/r%e8%a8%80%e8%aa%9e%e3%81%a7%e6%ac%a0%e6%90%8d%e5%80%a4%e3%82%92%e5%87%a6%e7%90%86%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95-2\/","title":{"rendered":"R\u8a00\u8a9e\u3067\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

R\u8a00\u8a9e\u306b\u304a\u3044\u3066\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u304c\u8907\u6570\u3042\u308a\u3001\u4e00\u822c\u7684\u306a\u51e6\u7406\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. na. \u7701\u7565<\/li>\n<\/ol>\n
    data <- na.omit(data)\r\n<\/code><\/pre>\n
      \n
    1. na.\u57cb\u3081\u5c3d\u304f\u3059()<\/li>\n<\/ol>\n
      data <- na.fill(data, value)\r\n<\/code><\/pre>\n
        \n
      1. na.approx()<\/li>\n
      2. na.spline()<\/li>\n<\/ol>\n
        data <- na.approx(data)\r\ndata <- na.spline(data)\r\n<\/code><\/pre>\n
          \n
        1. \u5e73\u5747\u5024<\/li>\n
        2. \u4e2d\u592e\u5024()<\/li>\n
        3. \u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u3002<\/li>\n
        4. ifelse()<\/li>\n<\/ol>\n
          mean_value <- mean(data, na.rm = TRUE)\r\ndata <- ifelse(is.na(data), mean_value, data)\r\n\r\nmedian_value <- median(data, na.rm = TRUE)\r\ndata <- ifelse(is.na(data), median_value, data)\r\n\r\nmode_value <- Mode(data) # \u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u8ba1\u7b97\u4f17\u6570\r\ndata <- ifelse(is.na(data), mode_value, data)\r\n<\/code><\/pre>\n
            \n
          1. na.locf()<\/li>\n<\/ol>\n
            data <- na.locf(data)\r\n<\/code><\/pre>\n
              \n
            1. \u6b20\u640d\u5024\u3092\u30e2\u30c7\u30eb\u4e88\u6e2c\u3067\u57cb\u3081\u5408\u308f\u305b\u308b\uff1a\u6b20\u640d\u5024\u306e\u3042\u308b\u5909\u6570\u4ee5\u5916\u306e\u5909\u6570\u306e\u5024\u3092\u5229\u7528\u3059\u308b\u304b\u3001\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3057\u3066\u6b20\u640d\u5024\u3092\u4e88\u6e2c\u3057\u3001\u6b20\u640d\u5024\u3092\u57cb\u3081\u5408\u308f\u305b\u307e\u3059\u3002<\/li>\n<\/ol>\n
              # \u4f7f\u7528\u5176\u4ed6\u53d8\u91cf\u7684\u503c\u9884\u6d4b\u7f3a\u5931\u503c\r\nmodel <- lm(y ~ x, data = data) # \u5047\u8bbey\u548cx\u662fdata\u4e2d\u7684\u53d8\u91cf\r\npredicted_values <- predict(model, newdata = subset(data, is.na(y)))\r\ndata$y[is.na(data$y)] <- predicted_values\r\n\r\n# \u5efa\u7acb\u6a21\u578b\u9884\u6d4b\u7f3a\u5931\u503c\r\nmodel <- lm(y ~ x, data = subset(data, !is.na(y))) # \u5047\u8bbey\u548cx\u662fdata\u4e2d\u7684\u53d8\u91cf\r\npredicted_values <- predict(model, newdata = subset(data, is.na(y)))\r\ndata$y[is.na(data$y)] <- predicted_values\r\n<\/code><\/pre>\n
              \u6b20\u640d\u5024\u306e\u6271\u3044\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u3001\u30c7\u30fc\u30bf\u306e\u7279\u6027\u3068\u5206\u6790\u306e\u76ee\u7684\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u624b\u6cd5\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              R\u8a00\u8a9e\u306b\u304a\u3044\u3066\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u304c\u8907\u6570\u3042\u308a\u3001\u4e00\u822c\u7684\u306a\u51e6\u7406\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002 na. \u7701\u7565 data <- na.omit(data) na.\u57cb\u3081\u5c3d\u304f\u3059() data <- na.fill(data,  […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-105488","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nR\u8a00\u8a9e\u3067\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/r\u8a00\u8a9e\u3067\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5-2\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u8a00\u8a9e\u3067\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"R\u8a00\u8a9e\u306b\u304a\u3044\u3066\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u304c\u8907\u6570\u3042\u308a\u3001\u4e00\u822c\u7684\u306a\u51e6\u7406\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u8a18\u8f09\u3057\u307e\u3059\u3002 na. \u7701\u7565 data <- na.omit(data) na.\u57cb\u3081\u5c3d\u304f\u3059() data <- na.fill(data, […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/r\u8a00\u8a9e\u3067\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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