masked_values(x, value, rtol=1e-05, atol=1e-08, shrink=True)
This docstring was copied from numpy.ma.masked_values.
Some inconsistencies with the Dask version may exist.
Return a MaskedArray, masked where the data in array x
are approximately equal to :None:None:`value`
, determined using isclose
. The default tolerances for masked_values
are the same as those for isclose
.
For integer types, exact equality is used, in the same way as masked_equal
.
The fill_value is set to :None:None:`value`
and the mask is set to nomask
if possible.
Array to mask.
Masking value.
Tolerance parameters passed on to isclose
Whether to return a copy of x
.
Whether to collapse a mask full of False to nomask
.
Mask using floating point equality.
masked_equal
Mask where equal to a given value (integers).
masked_where
Mask where a condition is met.
>>> import numpy.ma as ma # doctest: +SKIP
... x = np.array([1, 1.1, 2, 1.1, 3]) # doctest: +SKIP
... ma.masked_values(x, 1.1) # doctest: +SKIP masked_array(data=[1.0, --, 2.0, --, 3.0], mask=[False, True, False, True, False], fill_value=1.1)
Note that :None:None:`mask`
is set to nomask
if possible.
>>> ma.masked_values(x, 1.5) # doctest: +SKIP masked_array(data=[1. , 1.1, 2. , 1.1, 3. ], mask=False, fill_value=1.5)
For integers, the fill value will be different in general to the result of masked_equal
.
>>> x = np.arange(5) # doctest: +SKIPThis example is valid syntax, but we were not able to check execution
... x # doctest: +SKIP array([0, 1, 2, 3, 4])
>>> ma.masked_values(x, 2) # doctest: +SKIP masked_array(data=[0, 1, --, 3, 4], mask=[False, False, True, False, False], fill_value=2)This example is valid syntax, but we were not able to check execution
>>> ma.masked_equal(x, 2) # doctest: +SKIP masked_array(data=[0, 1, --, 3, 4], mask=[False, False, True, False, False], fill_value=2)See :
The following pages refer to to this document either explicitly or contain code examples using this.
dask.array.ma.masked_values
dask.array.ma.masked_where
dask.array.ma.masked_equal
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