Test Valid Terms

Test whether each element in a term or term_rcrd object is valid.

valid_term(x)

Arguments

x

The object.

Value

A logical vector indicating whether each term is valid.

Details

Repairing a term vector replaces invalid terms with missing values.

See also

term-vector() and repair_terms()

Other valid: vld_term()

Examples

# valid term elements
valid_term(term("a", "a [3]", " b [ 1  ] ", "c[1,300,10]"))
#> [1] TRUE TRUE TRUE TRUE
# invalid term elements
valid_term(new_term(c("a b", "a[1]b", "a[0]", "b[1,]", "c[]", "d[1][2]")))
#> [1] FALSE FALSE FALSE FALSE FALSE FALSE