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DOC: use ipython in bool replace doc warning #6412

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Feb 19, 2014
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DOC: use ipython in bool replace doc warning #6412

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DOC: use ipython in bool replace doc warning
cpcloud Feb 19, 2014
342423f
DOC: use code block for shorter error message
cpcloud Feb 19, 2014
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8 changes: 5 additions & 3 deletions doc/source/missing_data.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -602,17 +602,19 @@ You can also operate on the DataFrame in place
argument to ``replace`` (``to_replace``) must match the type of the value
being replaced type. For example,

.. code-block::
.. code-block:: python

s = Series([True, False, True])
s.replace({'a string': 'new value', True: False})
s.replace({'a string': 'new value', True: False}) # raises

TypeError: Cannot compare types 'ndarray(dtype=bool)' and 'str'

will raise a ``TypeError`` because one of the ``dict`` keys is not of the
correct type for replacement.

However, when replacing a *single* object such as,

.. code-block::
.. ipython:: python

s = Series([True, False, True])
s.replace('a string', 'another string')
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