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numpy.ma.is_masked() function | Python

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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 :




# Python program explaining
# numpy.ma.is_masked() function
  
# importing numpy as geek 
# and numpy.ma module as ma 
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 :




# Python program explaining
# numpy.ma.is_masked() function
  
# importing numpy as geek 
# and numpy.ma module as ma 
import numpy as geek 
import numpy.ma as ma 
  
arr = [True, False, True]
  
# always returns False unless
# the input is a MaskedArray 
gfg = ma.is_masked(arr)
  
print (gfg)


Output :

False

Last Updated : 05 May, 2020
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