Numpy moving average

Moving average numpy

def moving_average(a, n=3) :
    ret = np.cumsum(a, dtype=float)
    ret[n:] = ret[n:] - ret[:-n]
    return ret[n - 1:] / n

>>> a = np.arange(20)
>>> moving_average(a)
array([  1.,   2.,   3.,   4.,   5.,   6.,   7.,   8.,   9.,  10.,  11.,
        12.,  13.,  14.,  15.,  16.,  17.,  18.])
>>> moving_average(a, n=4)
array([  1.5,   2.5,   3.5,   4.5,   5.5,   6.5,   7.5,   8.5,   9.5,
        10.5,  11.5,  12.5,  13.5,  14.5,  15.5,  16.5,  17.5])

Source: stackoverflow.com

Numpy moving average

import numpy as np

def moving_average(x, w):
    return np.convolve(x, np.ones(w), 'valid') / w

Source: stackoverflow.com

Similar codes

2 votes190 views1 answer
All frequency offset in pandas
Python
0 vote178 views1 answer
List Change a Element
Python
0 vote194 views1 answer
How to make input box if else statement in tkinter
Python
0 vote207 views2 answers
Python merge strings
Python
0 vote183 views1 answer
How to change a kivy button text in kivy lang from python file
Python
2 votes192 views3 answers
Rotate matrix 90 degrees clockwise python
Python
0 vote178 views1 answer
Python selenium for desktop application
Python
1 vote169 views2 answers
Pygame window at center
Python
3 votes178 views6 answers
ImportError: Couldn't import Django. Are you sure it's installed and available on your PYTHONPATH environment variable? Did you forget to activate a virtual environment?
Python
0 vote192 views2 answers
The readlines() method returns
Python