2021年5月24日
R(week 13_2)
摘要： install.packages('nycflights13') library(dplyr) library(utils) library(nycflights13) head(flights) flights_Month1_Day1 <- filter(flights, month == 1, 阅读全文
posted @ 2021-05-24 18:06 sinEagle 阅读(38) 评论(0) 推荐(0)
R(week 13)
摘要： d <- sample(1:10, 7) d sort(d, decreasing = TRUE) tmpIndex <- order(d) d[tmpIndex] tmpIndex <- order(airquality$Wind) tmpIndex scoreSheet1 <- data.fra 阅读全文
posted @ 2021-05-24 17:44 sinEagle 阅读(39) 评论(0) 推荐(0)