numpy.ma.is_masked() function | Python (original) (raw)

Last Updated : 05 May, 2020

numpy.ma.is_masked() function determine whether input has masked values & accepts any object as input, but always returns False unless the input is a MaskedArray containing masked values.

Syntax : numpy.ma.is_masked(arr)

Parameters :
arr : [array_like] Array to check for masked values.

Return : [bool] True if arr is a MaskedArray with masked values, False otherwise.

Code #1 :

import numpy as geek

import numpy.ma as ma

arr = ma.masked_equal([ 0 , 1 , 2 , 0 , 3 ], 0 )

gfg = ma.is_masked(arr)

print (gfg)

Output :

True

Code #2 :

import numpy as geek

import numpy.ma as ma

arr = [ True , False , True ]

gfg = ma.is_masked(arr)

print (gfg)

Output :

False

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