vl.field(field)
A reference to a data field.
field
Method Overviewfield
API Reference# field.equals(equal)
Logical equals (==) comparison.
# field.gt(gt)
Logical greater than (>) comparison.
# field.gte(gte)
Logical greater than or equal to (>=) comparison.
# field.inRange(…range)
Logical value in range test.
# field.lt(lt)
Logical less than (<) comparison.
# field.lte(lte)
Logical less than or equal to (<=) comparison.
# field.oneOf(…oneOf)
Logical set membership test.
# field.order(order)
Indicates the sort order. One of "ascending"
or "descending"
. Only applicable if the field is being used as a sort parameter.
# field.type(type)
The data type of the field. One of "nominal"
, "ordinal"
, "quantitative"
, or "temporal"
.
# field.valid(valid)
Logical valid value test.