摘要:
注意:仅仅是数值型字段才可以,如果是字符类型字段则不能直接搞定 需要使用pandas get_dummies搞定 例如: Using the get_dummies will create a new column for every unique string in a certain colum 阅读全文
摘要:
Feature Extraction Feature Extraction converts vague features in the raw data into concrete numbers for further analysis. In this section, we introduc 阅读全文