【R】グラフの描き方(1)｜plot関数で散布図が描けます

 df3 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10),"C"=c(4,5,6,4,3,2))
df3
  A  B C
1 2  2 4
2 8  3 5
3 4  6 6
4 4  5 4
5 2  7 3
6 7 10 2

df1 <- data.frame("A"=c(2,8,4,4,2,7))
plot(df1)

df2 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10))
plot(df2[,1])

df2 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10))
plot(df2[,1],type="l")

df2 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10))
plot(df2[,1],df2[,2])

df2 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10))
plot(df2)

df2 <- data.frame("A"=c(2015,2016,2017,2018,2019,2020),"B"=c(2,3,6,5,7,10))
 plot(df2,type="l")

df3 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10),"C"=c(4,5,6,4,3,2))
 plot(df3)

df3 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10),"C"=c(4,5,6,4,3,2))
matplot(df3)

df3 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10),"C"=c(4,5,6,4,3,2))
matplot(df3,type="l")

df3 <- data.frame("A"=c(2,8,4,4,2,7),"B"=c(2,3,6,5,7,10),"C"=c(4,5,6,4,3,2))
> rownames(df3) <- c("2015", "2016", "2017","2018","2019","2020")
> df3
     A  B C
2015 2  2 4
2016 8  3 5
2017 4  6 6
2018 4  5 4
2019 2  7 3
2020 7 10 2

matplot(df3,axes=FALSE,type="l")
axis(1,1:6,rownames(df3))
axis(2)