diff options
-rw-r--r-- | training/online_optimizer.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/training/online_optimizer.h b/training/online_optimizer.h index 61d62a37..28d89344 100644 --- a/training/online_optimizer.h +++ b/training/online_optimizer.h @@ -92,7 +92,11 @@ class CumulativeL1OnlineOptimizer : public OnlineOptimizer { void ResetEpochImpl() { u_ = 0; } void UpdateWeightsImpl(const double& eta, const SparseVector<double>& approx_g, int max_feat, SparseVector<double>* weights) { u_ += eta * C_ / N_; - (*weights) += eta * approx_g; + for (SparseVector<double>::const_iterator it = approx_g.begin(); + it != approx_g.end(); ++it) { + if (frozen_.count(it->first) == 0) + weights->add_value(it->first, eta * it->second); + } for (int i = 1; i < max_feat; ++i) if (frozen_.count(i) == 0) ApplyPenalty(i, weights); } |