fix: keep gamm_exponent in squarecb (VowpalWabbit#2999)

Co-authored-by: root <[email protected]>
bassmang · May 17, 2021 · 060c4c0 · 060c4c0
1 parent 7a49529
commit 060c4c0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/vowpalwabbit/cb_explore_adf_squarecb.cc b/vowpalwabbit/cb_explore_adf_squarecb.cc
@@ -327,6 +327,7 @@ VW::LEARNER::base_learner* setup(VW::config::options_i& options, vw& all)
                .default_value(10.f)
                .help("Sets SquareCB greediness parameter to gamma=[gamma_scale]*[num examples]^1/2"))
       .add(make_option("gamma_exponent", gamma_exponent)
+               .keep()
                .default_value(.5f)
                .help("Exponent on [num examples] in SquareCB greediness parameter gamma."))
       .add(make_option("elim", elim)