.. _fwflag_add_feat_norms:
================
--add_feat_norms
================
Switch
======

--add_feat_norms

Description
===========

Adds a ``feat_norms`` summary (mean/std of each feature's ``group_norm`` across groups) to an existing feature table given by :doc:`fwflag_f`.

Argument and Default Value
==========================

No argument. Boolean switch, default: ``False``.

Details
=======

Calls ``FeatureRefiner.addFeatNorms(groupFreqThresh, setGFTWarning)`` — respects :doc:`fwflag_group_freq_thresh` the same way most refinement actions do.

Other Switches
==============

Required Switches:

* :doc:`fwflag_f`

Optional Switches:

* :doc:`fwflag_group_freq_thresh`

Example Commands
================

.. code-block:: bash

	dlatkInterface.py -d dla_tutorial -t msgs -c user_id -f 'feat$1gram$msgs$user_id$16to16' --add_feat_norms