Werk #5465: Fixed calculation of standard deviation.
| Komponente | Livestatus |
| Titel | Fixed calculation of standard deviation. |
| Datum | 24.11.2017 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk-Version | 1.5.0i2 |
| Level | Kleine Änderung |
| Klasse | Bugfix |
| Kompatibilität | Kompatibel - benötigt kein manuelles Eingreifen |
Note: This fixes only a slightly esoteric feature, namely "Stats: std ..." headers. Normal users are not affected, only those using this header via self-written scripts.
Livestatus incorrectly used a bias correction when calculating the standard deviation. For more mathematical background see:
https://en.wikipedia.org/wiki/Bessel%27s_correction http://mathworld.wolfram.com/StandardDeviation.html
