# -*- coding: utf-8 -*-
# This software is open source software available under the BSD-3 license.
#
# Copyright (c) 2019 Triad National Security, LLC. All rights reserved.
# Copyright (c) 2019 Lawrence Livermore National Security, LLC. All rights
# reserved.
# Copyright (c) 2019 UT-Battelle, LLC. All rights reserved.
#
# Additional copyright and license information can be found in the LICENSE file
# distributed with this code, or at
# https://raw.githubusercontent.com/MPAS-Dev/MPAS-Analysis/master/LICENSE
#
from __future__ import absolute_import, division, print_function, \
unicode_literals
[docs]def compute_moving_avg(ds, movingAveragePoints=12): # {{{
'''
Compute the rolling mean of a data set
Parameters
----------
ds : ``xarray.Dataset``
a dataset to be averaged
movingAveragePoints : int, optional
The number of points (months) over which to perform the rolling average
of the data set
Returns
-------
ds : ``xarray.Dataset``
The anomaly of the rolling time mean from the start of the simulation
'''
# Authors
# -------
# Xylar Asay-Davis
ds = ds.rolling(Time=movingAveragePoints,
center=True).mean().dropna('Time')
return ds
# }}}
# vim: foldmethod=marker ai ts=4 sts=4 et sw=4 ft=python