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Masked arrays

doc/source/reference/maskedarray.rst

2.5.0.dev0374 B
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.. _maskedarray:


Masked arrays


Masked arrays are arrays that may have missing or invalid entries. The :mod:numpy.ma module provides a nearly work-alike replacement for numpy that supports data arrays with masks.

.. index:: single: masked arrays

.. toctree:: :maxdepth: 2

maskedarray.generic maskedarray.baseclass routines.ma