relocate | R Documentation |
Use 'relocate()' to change column positions, using the same syntax as 'select()'. Check similar function as 'relocate()' in dplyr.
relocate(.data, ..., how = "first", where = NULL)
.data |
A data.table |
... |
Columns to move |
how |
The mode of movement, including "first","last","after","before". Default uses "first". |
where |
Destination of columns selected by |
Once you relocate the columns, the order changes forever.
A data.table with rearranged columns.
df <- data.table(a = 1, b = 1, c = 1, d = "a", e = "a", f = "a") df df %>% relocate(f) df %>% relocate(a,how = "last") df %>% relocate(is.character) df %>% relocate(is.numeric, how = "last") df %>% relocate("[aeiou]") df %>% relocate(a, how = "after",where = f) df %>% relocate(f, how = "before",where = a) df %>% relocate(f, how = "before",where = c) df %>% relocate(f, how = "after",where = c) df2 <- data.table(a = 1, b = "a", c = 1, d = "a") df2 %>% relocate(is.numeric, how = "after", where = is.character) df2 %>% relocate(is.numeric, how="before", where = is.character)
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