cf.ne¶
-
cf.
ne
(value, units=None, exact=True, attr=None)[source]¶ Return a
cf.Query
object for a variable for being equal to a value.Parameters: - value : object
The value which a variable is to be compared with.
- units : str or cf.Units, optional
The units of value. By default, the same units as the variable being tested are assumed, if applicable.
- exact : bool, optional
If False then string values are to be treated as regular expressions understood by the
re
module and are evaluated using there.match
method.- attr : str, optional
Return a query object for a variable’s attr attribute.
Returns: - out : cf.Query
The query object.
Examples: >>> q = cf.ne(5) >>> q <CF Query: x ne 5> >>> q.evaluate(4) True >>> q.evaluate(5) False