그래프 종류

데카르트 방식: plot(x,y)

수식기반 방식: plot(x~y)

plot(1:5)
plot(c(2,2,2,2,2)) 
# 하나면 x는 1씩 증가, y는 벡터의 값
plot(1:3, 3:1) 
# 두개면 앞 x, 뒤 y정
plot(1:3,3:1, xlim=c(1,10), ylim=c(1,5))
# x, y 의 값의 리밋값을 설정 xlim=c(최소값,최대값)
plot(1:3,3:1, 
     xlim=c(1,10), ylim=c(1,5),
     xlab='x축',
     ylab='y축',
     main='테스트'
     )

type = ‘p’ 점 (디폴트)

l 선, b 점과 선, c b에서 점생략

o 점과선 중첩, h 점에서 x축까지 수직

라인타입

lty = 0, lty = “blank” 투명선

lty = 1, lty = “solid” 실선

lty = 3, lty = “dotted” 점선

색깔 col = “red”

배경색 bg = “yellow”

선의 굵기 lwd = “2”

점이나 문자의 굵기 cex = “3”

target <- round(runif(5,100,150),0)
plot(
  target,
  type = 'o',
  col = 'red',
  ylim = c(0,200),
  axes = F, #hide x, y 축
  ann = F #x, y 축에 no title
)
axis(
  1, # x축
  at=1:5,
  lab = c('월','화','수','목','금')
)
axis(
  2, # y축
  at=1:5
)
title(
  main = '과일',
  col.main = 'red',
  font.main = 4
)
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