èªã¿è¾¼ã¿ ä½ã¯ã¨ãããèªã¿è¾¼ã¾ãªãã¨å§ã¾ããªãã¾ããããã¼ãã£ã¼ãã¼ã¿ç¸æãªããæ±ç¨æ§ãé«ãèªã¿è¾¼ã¿é度ããããããªread_csv()ãããããã§ããcol_typesã¯åæ°ãå°ãªãå ´åãå ¨åcharacterãç¡é£ã§ãã #### ããããã¤ããããã«ãé 5è¡ã ããèªã¿è¾¼ã¿ã test_read <- read_csv("https://datumstudio.jp/wp-content/uploads/2017/09/170912_data_cleansing.csv", col_types = cols(.default = "c"), # å ¨åcharacter # na = c("", "NA"), # ""ã¨"NA"ãNAã«ç½®æãããããªãå ´åã¯ãããå¼ãã¾ã # trim_ws = TRUE, # è¦ç´ æ«å°¾ã®åè§ã¹ãã¼ã¹ãåé¤ãããããªãå ´åã¯ãããFALSEã«ãã¾ã n_

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