Group by multiple columns in R's dplyr -


i group data frame multiple columns names elements of vector names_vec:

df %>% group_by(names_vec)

i error message: "column names_vec unknown". because there no 1 column called names_vec.

how achieve this?

use rlang::syms() coupled !!!:

library(rlang) df %>% group_by(!!!syms(names_vec))

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