change dropping_seed to drop_seed

include/LightGBM/config.h

@@ -192,7 +192,7 @@ public:
   int early_stopping_round = 0;
   int num_class = 1;
   double drop_rate = 0.01;
-  int dropping_seed = 4;
+  int drop_seed = 4;
   void Set(const std::unordered_map<std::string, std::string>& params) override;
 };
 

src/boosting/dart.cpp

@@ -29,7 +29,7 @@ void DART::Init(const BoostingConfig* config, const Dataset* train_data, const O
   gbdt_config_ = dynamic_cast<const GBDTConfig*>(config);
   drop_rate_ = gbdt_config_->drop_rate;
   shrinkage_rate_ = 1.0;
-  random_for_drop_ = Random(gbdt_config_->dropping_seed);
+  random_for_drop_ = Random(gbdt_config_->drop_seed);
 }
 
 bool DART::TrainOneIter(const score_t* gradient, const score_t* hessian, bool is_eval) {

src/io/config.cpp

@@ -298,7 +298,7 @@ void BoostingConfig::Set(const std::unordered_map<std::string, std::string>& par
   CHECK(output_freq >= 0);
   GetBool(params, "is_training_metric", &is_provide_training_metric);
   GetInt(params, "num_class", &num_class);
-  GetInt(params, "dropping_seed", &dropping_seed);
+  GetInt(params, "drop_seed", &drop_seed);
   GetDouble(params, "drop_rate", &drop_rate);
   CHECK(drop_rate <= 1.0 && drop_rate >= 0.0);
 }