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DOC: correct rpy2 examples (GH15142) #15450

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DOC: correct rpy2 examples (GH15142) #15450

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11 changes: 6 additions & 5 deletions doc/source/r_interface.rst
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Expand Up @@ -41,15 +41,17 @@ In the remainder of this page, a few examples of explicit conversion is given. T
Transferring R data sets into Python
------------------------------------

The ``pandas2ri.ri2py`` function retrieves an R data set and converts it to the
appropriate pandas object (most likely a DataFrame):
Once the pandas conversion is activated (``pandas2ri.activate()``), many conversions
of R to pandas objects will be done automatically. For example, to obtain the 'iris' dataset as a pandas DataFrame:

.. ipython:: python

r.data('iris')
df_iris = pandas2ri.ri2py(r['iris'])
df_iris.head()
r['iris'].head()

If the pandas conversion was not activated, the above could also be accomplished
by explicitly converting it with the ``pandas2ri.ri2py`` function
(``pandas2ri.ri2py(r['iris'])``).

Converting DataFrames into R objects
------------------------------------
Expand All @@ -65,7 +67,6 @@ DataFrames into the equivalent R object (that is, **data.frame**):
print(type(r_dataframe))
print(r_dataframe)


The DataFrame's index is stored as the ``rownames`` attribute of the
data.frame instance.

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