<< cumsum

Data analysis

issorted >>

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ismissing

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Check for missing values.

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Syntax

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tf = ismissing(M)

Input argument

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M

a variable

Output argument

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tf

logical: result of 'ismissing'.

Description

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ismissing returns a logical array which is true where elements of M are missing values.

missing data are defined as:

NaN for double or single

missing for string array

' ' for character array

'' for cell of character array

Example

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A = ["Nel", NaN, "son"];
ismissing(A)
B = [1 2 NaN Inf];
ismissing(B)
C = 'Nel son'
ismissing(C)
D = {'Nel' '' 'son'}
ismissing(D)

See also

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isfinite.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET