如何解决xgboost4j中的访问序列和验证错误-Scala
当在数据块中使用评估集时,是否有任何方法可以访问xgboost scala中的训练和验证错误?
val xgbParam = Map(
"colsample_bytree" -> 0.6,"subsample" -> 0.8,"eta" -> 0.05,"max_depth" -> 4,"num_round" -> 1000,//"min_child_weight" -> 11,"objective" -> "reg:tweedie","tweedie_variance_power" -> 1.8,"num_workers" -> 10,"num_threads" -> 1,"eval_sets" -> Map("valid" -> valid),"num_early_stopping_rounds" -> 5,"maximize_evaluation_metrics" -> false,"verbose_eval" -> 1)
val xgbregressor = new XGBoostRegressor(xgbParam).
setFeaturesCol("features").
setLabelCol("label")
val xgbregressorModel = xgbregressor.fit(train)
我正在使用verbose_eval-> 1,但似乎无法正常工作。
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。