Kevin-Mok/spotify-lib-vis
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Added missing space on line #222

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Chris Shyi
2018-05-20 18:40:22 -04:00
parent 6e1671b0f2
commit 4b263532d1
1 changed files with 1 additions and 1 deletions
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spotifyvis/views.py
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@@ -219,7 +219,7 @@ def update_std_dev(cur_mean, cur_std_dev, new_data_point, sample_size):
Returns:
(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/
new_mean = ((sample_size - 1) * cur_mean + new_data_point) / sample_size
delta_variance = (new_data_point - new_mean) * (new_data_point - cur_mean)