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classification xgboost train bug #16

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classification xgboost train bug #16

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3 changes: 2 additions & 1 deletion src/booster.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -148,8 +148,9 @@ impl Booster {
dmats
};

let bst = Booster::new_with_cached_dmats(&params.booster_params, &cached_dmats)?;
let mut bst = Booster::new_with_cached_dmats(&params.booster_params, &cached_dmats)?;
for i in 0..params.boost_rounds as i32 {
bst.update(params.dtrain, i)?;
if let Some(eval_sets) = params.evaluation_sets {
let mut dmat_eval_results = bst.eval_set(eval_sets, i)?;

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