`mustBeNonmissing`

Checks that the input has no missing values.

Category: Programming > Functions

Syntax

mustBeNonmissing(A)

Checks that A contains no missing values. Returns nothing if the check passes and throws an error if not.

Description

mustBeNonmissing is a validator: it inspects its input and either returns silently or raises an error with the identifier MATLAB:validators:mustBeNonmissing. The error message states the requirement that was violated, so the caller sees what was expected rather than a generic failure.

Missing means NaN for numeric arrays and <missing> for strings. Ordinary text in a character array is never missing. Unlike mustBeFinite, an Inf value is accepted.

Input arguments

A: The value to check. Any array of the class the validator accepts.

Example

Passing and failing input

mustBeNonmissing([1 2 3]);
disp('passed')
try
    mustBeNonmissing([1 NaN])
catch err
    disp(err.message)
end

Output

passed
Value must not have missing data.

See also

ismissing mustBeNonNan mustBeFinite rmmissing