基于文本数据的过滤式与嵌入式样本选择算法*
刘书瑞,田继东,陈普春,赖立,宋国杰

New Sample Selection Algorithm with Textual Data
Shurui Liu,Jidong Tian,Puchun Chen,Li Lai,Guojie Song
表3 不同阈值对TD-IDF、小批量协方差估计样本选择算法评价指标的影响
Table 3 Influence of Different Thresholds on Evaluation Indexes of TF-IDF and the Small Batchsize Covariance Estimator Sample Selection Algorithm
算法 阈值 Accuracy Recall F1
TF-IDF 0.4 0.793 0.725 0.615
0.5 0.795 0.740 0.628
0.6 0.802 0.740 0.638
0.7 0.802 0.700 0.571
小批量协方差估计 0.4 0.796 0.733 0.623
0.5 0.793 0.743 0.638
0.6 0.805 0.735 0.607
0.7 0.803 0.700 0.572