group_by reorders data.table #623
Description
group_by reorders data.tables
library(dplyr)
library(data.table)
DF <- data.frame(
v1 = sample(5, N, TRUE)
)
DF %>% group_by(v1)
setDT(DF)
DF %>% group_by(v1){{ message }}
group_by reorders data.tables
library(dplyr)
library(data.table)
DF <- data.frame(
v1 = sample(5, N, TRUE)
)
DF %>% group_by(v1)
setDT(DF)
DF %>% group_by(v1)