Select columns from a query and return a data frame — Select • acsets

Select columns from a query and return a data frame

Usage

Select(query, ...)

Arguments

query: An acset_query object from From() or Where().
...: Character names of subparts to include as columns.

Value

A data frame with the selected columns.

Examples

sch <- BasicSchema(
  obs = c("V"),
  attrtypes = c("Name"),
  attrs = list(attr_spec("name", "V", "Name"))
)
g <- ACSet(sch)
add_parts(g, "V", 3, name = c("Alice", "Bob", "Carol"))
#> [1] 1 2 3
From(g, "V") |> Select("name")
#>   id  name
#> 1  1 Alice
#> 2  2   Bob
#> 3  3 Carol