R read.csv()

1 개요

R read.csv()

로컬 csv 파일 읽기 (윈도우)

df2 <- read.csv("D:/data/DiplomacySummary.csv")
str(df2)
## 'data.frame':	35 obs. of  7 variables:
##  $ Game.Turn : int  4 4 4 5 5 6 6 6 7 7 ...
##  $ Initiator : int  1 9 1 13 12 3 14 3 0 3 ...
##  $ Recipient : int  9 1 9 12 13 14 3 14 3 0 ...
##  $ Action    : Factor w/ 4 levels " Declared Friends",..: 4 4 3 4 4 4 4 3 4 4 ...
##  $ Details   : logi  NA NA NA NA NA NA ...
##  $ Mayhem    : num  0 0 0 0 0 0 0 0 0 0 ...
##  $ Visibility: int  0 0 0 0 0 0 0 0 0 0 ...

df1 <- read.csv("D:\\data\\DiplomacySummary.csv")
str(df1)
## 'data.frame':	35 obs. of  7 variables:
##  $ Game.Turn : int  4 4 4 5 5 6 6 6 7 7 ...
##  $ Initiator : int  1 9 1 13 12 3 14 3 0 3 ...
##  $ Recipient : int  9 1 9 12 13 14 3 14 3 0 ...
##  $ Action    : Factor w/ 4 levels " Declared Friends",..: 4 4 3 4 4 4 4 3 4 4 ...
##  $ Details   : logi  NA NA NA NA NA NA ...
##  $ Mayhem    : num  0 0 0 0 0 0 0 0 0 0 ...
##  $ Visibility: int  0 0 0 0 0 0 0 0 0 0 ...

웹상의 csv 파일 읽기

df <- read.csv("https://raw.githubusercontent.com/pandas-dev/pandas/master/pandas/tests/data/iris.csv")
str(df)

2 같이 보기

• R read.table()
• R write.csv()
• R csv 파일 읽기

3 참고

• https://www.rdocumentation.org/packages/utils/versions/3.6.1/topics/read.table