摘要:
%env Get, set, or list environment variables. Usage: %env: lists all environment variables/values %env var: get value for var %env var val: set value 阅读全文
摘要:
#找出target中包含字符1的列 y = test[test['target'].str.contains('1')] 报错:ValueError: cannot index with vector containing NA / NaN values 解决方法: #找出target中包含字符1的 阅读全文