R cookbook

目录

• R cookbook
  • fct_relevel
  • paste
  • paste0
  • cbind
  • rbind
  • renames
  • colnames

R cookbook

fct_relevel

按照因子level重排序比如给面板数据的id

cul <- read_csv("../data/cul.csv")
pdata <- read_csv("../data/data_gao.csv")
pdata <- pdata %>% pdata.frame(index = c("id", "time")) %>% filter(!id %in% c("GB","ZA"))
pdata <-
    pdata %>%
    mutate(id = fct_relevel(id, cul$ctr_left)) %>% #按照cul$ctr_left的顺序重新排列id
    arrange(time, id)

paste

paste0

cbind

rbind

renames

colnames