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Author Alextp
Recipients Alextp, rhettinger, steven.daprano, zach.ware
Date 2014-03-24.16:30:08
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Message-id <1395678608.76.0.842189165568.issue21046@psf.upfronthosting.co.za>
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I wrote not ok formula for median_grouped. But i can't get idea from source. THIS SHOWS that source code is NOT ok doc, even student can't get it
 
e.g. pvariance.
Calculates population variance of iterable. It's given by formula:

pvariance([x1, x2, ..., xN]) = ((x1 - M)**2 + ... + (xN - M)**2) / N,
where M is mean of all values:
M = (x1 + ... + xN) / N
History
Date User Action Args
2014-03-24 16:30:08Alextpsetrecipients: + Alextp, rhettinger, steven.daprano, zach.ware
2014-03-24 16:30:08Alextpsetmessageid: <1395678608.76.0.842189165568.issue21046@psf.upfronthosting.co.za>
2014-03-24 16:30:08Alextplinkissue21046 messages
2014-03-24 16:30:08Alextpcreate