select
Keep only the named columns, in the given order.
NoteExperimental
This function is experimental; its interface may change without notice.
Since 0.6.0.
Positional string columns select and reorder; other columns are dropped. A selected as-factor column keeps its discrete tag.
Usage
select(
data,
..names,
)Parameters
| Parameter | Default | Description |
|---|---|---|
data |
Row-store (array of dicts) or column-store (dict of arrays). | |
..names |
Columns to keep, as positional strings. |
Returns
A row-store array carrying only the named columns.
Examples
Keep just the class and highway columns.
#let trimmed = select(mpg, "class", "hwy")