- @c1z2w3456789
简介
该用户还未填写简介
擅长的技术栈
可提供的服务
暂无可提供的服务
关注微信公共号：小程在线关注CSDN博客：程志伟的博客完整脚本在公共号上有链接学习Pandas， 第 6课group by 应用Python 3.7.6 (default, Jan 8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)]Type "copyright", "credits" or "license" for more information.IP
关注微信公共号：小程在线关注CSDN博客：程志伟的博客Python 3.7.6 (default, Jan 8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)]Type "copyright", "credits" or "license" for more information.IPython 7.12.0 -- An enhanced Interacti
关注微信公共号：小程在线关注CSDN博客：程志伟的博客主要从影响随机森林的参数入手调整随机森立的预测程度：Python 3.7.3 (default, Apr 24 2019, 15:29:51) [MSC v.1915 64 bit (AMD64)]Type "copyright", "credits" or "license" for more information.I...
关注微信公共号：小程在线关注CSDN博客：程志伟的博客Python 3.7.6 (default, Jan 8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)]Type "copyright", "credits" or "license" for more information.IPython 7.12.0 -- An enhanced Interacti
关注微信公共号：小程在线关注CSDN博客：程志伟的博客完整脚本在公共号Python 3.7.6 (default, Jan 8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)]Type "copyright", "credits" or "license" for more information.IPython 7.12.0 -- An enhanced I
关注微信公共号：小程在线关注CSDN博客：程志伟的博客特征选择：Filter过滤法、Embedded嵌入法、Wrapper包装法特征选择选取高维度进行数据处理##############特征选择 feature_selection#################import pandas as pddata = pd.read_csv(r"H:\程志伟\python\digit...
关注微信公共号：小程在线关注CSDN博客：程志伟的博客使用jupyter lab画图render_notebook()画图不显示解决方法：from pyecharts.globals import CurrentConfig, NotebookTypeCurrentConfig.NOTEBOOK_TYPE = NotebookType.JUPYTER_LAB然后在执行画图的程序即可...
mysql添加表注释ALTER TABLE 表名 COMMENT '注释字段';实例：alter table test comment '测试表'；方法二：在创建表的时候直接增加表注释create table test(name varvhar(10) comment '姓名'，sex varchar(3) comment '性别'primary key（name）) comment '测试表'；
hadoop@dblab-VirtualBox:~$ clickhouse-clientClickHouse client version 21.6.6.51 (official build).Connecting to localhost:9000 as user default.Code: 516. DB::Exception: Received from localhost:9000. DB
ERROR 1118 (42000) at line 5: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes storage overhead, check the manual. You have to change some
