.. _api.general_functions:

================= General functions

.. currentmodule:: pandas

.. note:: For an overview, see :ref:reshaping.

Data manipulations

.. autosummary::
   :toctree: api/

   melt
   pivot
   pivot_table
   crosstab
   cut
   qcut
   merge
   merge_ordered
   merge_asof
   concat
   get_dummies
   from_dummies
   factorize
   unique
   lreshape
   wide_to_long

Top-level missing data

.. autosummary:: :toctree: api/

isna isnull notna notnull

Top-level dealing with numeric data

.. autosummary::
   :toctree: api/

   to_numeric

Top-level dealing with datetimelike data

.. autosummary:: :toctree: api/

to_datetime to_timedelta date_range bdate_range period_range timedelta_range infer_freq

Top-level dealing with Interval data

.. autosummary::
   :toctree: api/

   interval_range

Top-level evaluation
~~~~~~~~~~~~~~~~~~~~
.. autosummary::
   :toctree: api/

   col
   eval

Datetime formats
~~~~~~~~~~~~~~~~
.. autosummary::
   :toctree: api/

   tseries.api.guess_datetime_format

Hashing
~~~~~~~
.. autosummary::
   :toctree: api/

   util.hash_array
   util.hash_pandas_object

Importing from other DataFrame libraries

.. autosummary:: :toctree: api/

api.interchange.from_dataframe