feat(CB_GF): add reduction

VowpalWabbit / vowpal_wabbit

Vowpal Wabbit is a machine learning system which pushes the frontier of machine learning with techniques such as online, hashing, allreduce, reductions, learning2search, active, and interactive learning.

https://vowpalwabbit.org

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feat(CB_GF): add reduction #4560

Closed olgavrou closed 1 year ago

olgavrou commented 1 year ago

CB with graph feedback implementation of paper: https://arxiv.org/abs/2302.08631

TODO:

[x] Third party notice
[x] change gamma to increase same as squarecb
[x] store the example count during save load

In next PR:

[ ] graph feedback input added to json input

olgavrou commented 1 year ago

add to third party notices