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Type: Feature Request
Resolution: Done
Priority: Major
Fix Version/s: 7.0.0.Beta8
Affects Version/s: None
Component/s: core engine
Labels:
None

Docs QE Status:
NEW
QE Status:
NEW

After a bunch of research I've found the way to do this efficiently:
https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Online_algorithm
Simply use Welford's algorithm.

relates to

PLANNER-713 Support for zero-based variance / standard deviation (for fairness/load balancing constraints) in Drools DRL in Tennis example

Resolved

Assignee:: Geoffrey De Smet (Inactive)

Reporter:: Geoffrey De Smet (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Created:: 2017/02/01 4:32 AM

Updated:: 2022/09/23 8:07 AM

Resolved:: 2017/03/10 5:02 AM