我有一個data.frame
如下:轉換(一個dplyr TBL-對象)的柱爲TBL-頭
types long_name
(chr) (chr)
1 neighborhood Upper East Side
2 sublocality Manhattan
3 postal_code 10021
我想如下改造它:
neighborhood sublocality postal_code
(chr) (chr) (chr)
1 Upper East Side Manhattan 10021
必須有做一個快速簡便的方法。
編者按:這是顯示的,而不是作爲的R數據幀,但作爲一個DPLY TBL-對象:
dput(as.tbl(dfrm))
structure(list(types = c("neighborhood", "sublocality", "postal_code"
), long_name = c("Upper East Side", "Manhattan", "10021")), .Names = c("types",
"long_name"), class = c("tbl_df", "tbl", "data.frame"), row.names = c(NA,
-3L))
dplyr-'tbl'似乎是新的'data.table',因爲noobs經常會將它們誤認爲是實際的R數據幀。我認爲更有知識的用戶需要在對象類意識方面保持一定的清晰度。 –
@ 42-我的道歉,下次會更加小心 – Armin