N-gram是自然语言处理中一种基础的序列建 […]
TF-IDF(Term Frequency- […]
词袋模型(Bag-of-Words, BoW […]
特征提取(Feature Extractio […]
特征选择(Feature Selection […]
特征工程(Feature Engineeri […]
数据清洗(Data Cleaning),亦称 […]
数据预处理是机器学习流程中的核心环节,指在模 […]
测试集(Test Set)在机器学习中是指模 […]
验证集(Validation Set)是机器 […]