Search and remove values at given indices, which can be numeric or character or both. Invalid indices are ignored.
discard_at(.x, ...)
ref_discard_at(.x, ...)
# S3 method for Container
discard_at(.x, ...)
# S3 method for Container
ref_discard_at(.x, ...)
# S3 method for dict.table
discard_at(.x, ...)
# S3 method for dict.table
ref_discard_at(.x, ...)any R object.
indices at which values are to be discarded.
For Container, an object of class Container (or one of the
respective derived classes).
For dict.table, an object of class dict.table.
co = container(a = 1, b = 2, 3)
discard_at(co, "a", "b") # [3]
#> [3]
discard_at(co, 1:2) # [3]
#> [3]
discard_at(co, "a", 3) # [b = 2]
#> [b = 2]
discard_at(co, "x") # ignored
#> [a = 1, b = 2, 3]
dit = as.dict.table(head(sleep))
discard_at(dit, "ID")
#> <dict.table> with 6 rows and 2 columns
#> extra group
#> 1: 0.7 1
#> 2: -1.6 1
#> 3: -0.2 1
#> 4: -1.2 1
#> 5: -0.1 1
#> 6: 3.4 1
discard_at(dit, "ID", 1)
#> <dict.table> with 6 rows and 1 column
#> group
#> 1: 1
#> 2: 1
#> 3: 1
#> 4: 1
#> 5: 1
#> 6: 1
discard_at(dit, "foo") # ignored
#> <dict.table> with 6 rows and 3 columns
#> extra group ID
#> 1: 0.7 1 1
#> 2: -1.6 1 2
#> 3: -0.2 1 3
#> 4: -1.2 1 4
#> 5: -0.1 1 5
#> 6: 3.4 1 6