{"version":"1.0","width":"100%","provider_url":"https://hatena.blog","description":"tidyverse\u3067\u306fmutate_at\u95a2\u6570\u3067\u5217\u3092\u6307\u5b9a\u3057\u3066\u5217\u5358\u4f4d\u3067\u5909\u63db\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u5217\u9078\u629e\u306e\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002 library(tidyverse) data <- as_tibble(iris) # 3\u5217\u76ee\u4ee5\u964d\u306e\u5217\u3092\u6587\u5b57\u5217\u306b\u5909\u63db\u3057\u305ftibble\u3092\u4f5c\u6210\u3059\u308b\u3002 # \u6574\u6570\u7bc4\u56f2\u307e\u305f\u306f`vars(n:last_col())`\u3092\u4f7f\u3044\u307e\u3059\u3002 data %>% mutate_at(3:ncol(.), as.character) data %>% mutate_at(vars(3:last_col()), as.character) # 3\u5217\u76ee\u4ee5\u964d\u6700\u5f8c\u304b\u30892\u756a\u76ee\u306e\u5217\u3092\u6587\u5b57\u5217\u306b\u5909\u63db\u3057\u305ftibble\u2026","author_url":"https://blog.hatena.ne.jp/potisan/","height":"190","image_url":null,"blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","author_name":"potisan","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2022%2F03%2F02%2F224402\" title=\"R&amp;tidyverse mutate_at\u306b\u3088\u308b\u5217\u5358\u4f4d\u5909\u63db\u306e\u5217\u9078\u629e\u65b9\u6cd5 - potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://potisan-programming-memo.hatenablog.jp/","categories":["\u307e\u3068\u3081\u672a\u767b\u9332\uff08\u7ba1\u7406\u7528\uff09","R","tidyverse"],"title":"R&tidyverse mutate_at\u306b\u3088\u308b\u5217\u5358\u4f4d\u5909\u63db\u306e\u5217\u9078\u629e\u65b9\u6cd5","published":"2022-03-02 22:44:02","provider_name":"Hatena Blog","type":"rich","url":"https://potisan-programming-memo.hatenablog.jp/entry/2022/03/02/224402"}