摘要: >>> df one two three mouse 1 2 3 rabbit 4 5 6 >>> # select columns by name >>> df.filter(items=['one', 'three']) one three mouse 1 3 rabbit 4 6 >>> # se... 阅读全文
posted @ 2017-05-31 22:59 故笙 阅读(17506) 评论(0) 推荐(0) 编辑