relocate_dt: Change column order

In tidyfst: Tidy Verbs for Fast Data Manipulation

Change column order

Description

Change the position of columns, using the same syntax as 'select_dt()'. Check similar function as 'relocate' in dplyr.

Usage

relocate_dt(.data, ..., how = "first", where = NULL)

Arguments

.data	A data.frame
...	Columns to move
how	The mode of movement, including "first","last","after","before". Default uses "first".
where	Destination of columns selected by .... Applicable for "after" and "before" mode.

Value

A data.table with rearranged columns.

See Also

relocate

Examples

df <- data.table(a = 1, b = 1, c = 1, d = "a", e = "a", f = "a")
df
df %>% relocate_dt(f)
df %>% relocate_dt(a,how = "last")

df %>% relocate_dt(is.character)
df %>% relocate_dt(is.numeric, how = "last")
df %>% relocate_dt("[aeiou]")

df %>% relocate_dt(a, how = "after",where = f)
df %>% relocate_dt(f, how = "before",where = a)
df %>% relocate_dt(f, how = "before",where = c)
df %>% relocate_dt(f, how = "after",where = c)

df2 <- data.table(a = 1, b = "a", c = 1, d = "a")
df2 %>% relocate_dt(is.numeric,
                    how = "after",
                    where = is.character)
df2 %>% relocate_dt(is.numeric,
                    how="before",
                    where = is.character)

tidyfst documentation built on Sept. 16, 2024, 9:06 a.m.