R 컬럼명 변경

1 개요

R 데이터프레임 컬럼명 변경

df <- read.csv(header=T, stringsAsFactors=F, text="
col1,col2,col3
2019-06-01,apple,1
2019-06-02,banana,2
2019-06-03,apple,4
")
df
##         col1   col2 col3
## 1 2019-06-01  apple    1
## 2 2019-06-02 banana    2
## 3 2019-06-03  apple    4
####
names(df)[1] <- "day"
names(df)[2] <- "fruit"
names(df)[3] <- "ea"
df
##          day  fruit ea
## 1 2019-06-01  apple  1
## 2 2019-06-02 banana  2
## 3 2019-06-03  apple  4

2 같이 보기

• R names()
• R 데이터 전처리

3 참고

• https://www.datanovia.com/en/lessons/rename-data-frame-columns-in-r/