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spotify-lib-vis
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Added missing space on line #222

master
Chris Shyi 8 years ago
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1 changed files with 1 additions and 1 deletions
Whitespace
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      spotifyvis/views.py

2
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: 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)

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