Kevin-Mok/spotify-lib-vis
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added missing space on line #222

Browse Source
This commit is contained in:
Chris Shyi
2018-05-20 18:40:22 -04:00
parent 6e1671b0f2
commit 4b263532d1
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
spotifyvis/views.py
View File

@@ -219,7 +219,7 @@ def update_std_dev(cur_mean, cur_std_dev, new_data_point, sample_size):
Returns: Returns:
(new_mean, new_std_dev) (new_mean, new_std_dev)
""" """
# This is an implementationof Welford's method # This is an implementation of Welford's method
# http://jonisalonen.com/2013/deriving-welfords-method-for-computing-variance/ # http://jonisalonen.com/2013/deriving-welfords-method-for-computing-variance/
new_mean = ((sample_size - 1) * cur_mean + new_data_point) / sample_size new_mean = ((sample_size - 1) * cur_mean + new_data_point) / sample_size
delta_variance = (new_data_point - new_mean) * (new_data_point - cur_mean) delta_variance = (new_data_point - new_mean) * (new_data_point - cur_mean)