DeleteMissing¶

Status: Stable

documented, exercised by the test suite and/or worked examples, with no known limitations recorded.

Description¶

DeleteMissing[expr]

Removes all Missing[...] elements (equivalent to DeleteCases[expr, _Missing]). Over an association, drops entries whose value is Missing[...].

Every input below was run against the current Mathilda build and its output recorded.

In[1]:= DeleteMissing[Lookup[<|"a" -> 1, "b" -> 2|>, {"a", "z", "b"}]]
Out[1]= {1, 2}

Attributes: Protected.

See also: Lookup