Influx and loss are the two kinds of bottom hole complex accidents.They not only cause the reservoir damage,increase the......

Cerebral infarction (CI) is brain dysfunction which is one of the most common cardiovascular disease.Till now, the disea......

Modern clinical research studies commonly acquire complementary multi-modal and multisource data for each patient in ord......

机载LiDAR点云系统由于获取三维立体信息方便、快捷,已被广泛应用到城区目标的提取与识别中,但LiDAR点云数据缺乏光谱特征,对建筑......

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　　Predicting fish species richness to human-introduced environmental variations has always been a vital issue for con......

The paper proposes a new deep structure model,called Densely Connected Cascade Forest-Weighted K Nearest Neighbors (DCCF......

主要是针对采样过程中的非平衡数据进行处理、分类,改变传统算法在其处理过程中的分类倾向性.结合数据挖掘中多种分类算法构建的混......

近些年,量化投资问题受到广泛关注.本文主要探讨机器学习在量化投资领域方面的应用.本文主要利用决策树算法对中证500成分股进行研......