Dataset_info/sleep
sleep 데이터셋 예제
modernity4Rcmdr
2022. 6. 25. 10:29
datasets::sleep()
?sleep #sleep 데이터셋 도움말 보기
# 아래는 example(sleep) 입니다.
require(stats)
## Student's paired t-test
with(sleep,
t.test(extra[group == 1],
extra[group == 2], paired = TRUE))
## The sleep *prolongations*
sleep1 <- with(sleep, extra[group == 2] - extra[group == 1])
summary(sleep1)
stripchart(sleep1, method = "stack", xlab = "hours",
main = "Sleep prolongation (n = 10)")
boxplot(sleep1, horizontal = TRUE, add = TRUE,
at = .6, pars = list(boxwex = 0.5, staplewex = 0.25))
