R-数据分析-dplyr表格操作
1 2 3 4 5 6 7 8 9 library(tidyverse) # -- Attaching packages ----------------------------------------------------- tidyverse 1.3.1 -- # √ ggplot2 3.3.5 √ purrr 0.3.4 # √ tibble 3.1.2 √ dplyr 1.0.7 # √ tidyr 1.1.3 √ stringr 1.4.0 # √ readr 2.0.0 √ forcats 0.5.1 # -- Conflicts -------------------------------------------------------- tidyverse_conflicts() -- # x dplyr::filter() masks stats::filter() # x dplyr::lag() masks stats::lag() 1、表格筛选 1.1 select...