Refactoring: Changed remaining check parameters starting with an 's' to the new rules...
[check_mk.git] / .werks / 5465
blob2cb94e8190b9075cf194221f9642fe6970844bfb
1 Title: Fixed calculation of standard deviation.
2 Level: 1
3 Component: livestatus
4 Compatible: compat
5 Edition: cre
6 Version: 1.5.0i2
7 Date: 1511517478
8 Class: fix
10 Note: This fixes only a slightly esoteric feature, namely "Stats: std ..."
11 headers.  Normal users are not affected, only those using this header via
12 self-written scripts.
14 Livestatus incorrectly used a bias correction when calculating the standard
15 deviation. For more mathematical background see:
17    https://en.wikipedia.org/wiki/Bessel%27s_correction
18    http://mathworld.wolfram.com/StandardDeviation.html