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This is a method for the dplyr relocate() generic. It is translated to the j argument of [.data.table.
relocate()
j
[.data.table
# S3 method for dtplyr_step relocate(.data, ..., .before = NULL, .after = NULL)
A lazy_dt().
lazy_dt()
<tidy-select> Columns to move.
tidy-select
<tidy-select> Destination of columns selected by .... Supplying neither will move columns to the left-hand side; specifying both is an error.
...
library(dplyr, warn.conflicts = FALSE) dt <- lazy_dt(data.frame(x = 1, y = 2, z = 3)) dt %>% relocate(z) dt %>% relocate(y, .before = x) dt %>% relocate(y, .after = y)
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