numpy.ma.masked_equal

ma.masked_equal(x, value, copy=True)[source]

Mask an array where equal to a given value.

Return a MaskedArray, masked where the data in array x are equal to value. The fill_value of the returned MaskedArray is set to value.

For floating point arrays, consider using masked_values(x, value).

See also

masked_where

Mask where a condition is met.

masked_values

Mask using floating point equality.

Examples

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>>> import numpy as np
>>> import numpy.ma as ma
>>> a = np.arange(4)
>>> a
array([0, 1, 2, 3])
>>> ma.masked_equal(a, 2)
masked_array(data=[0, 1, --, 3],
             mask=[False, False,  True, False],
       fill_value=2)

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