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两页ppt教你区分直条图和直方图

  • 2026-11-05 00:32:32
两页ppt教你区分直条图和直方图
直条图是用等宽直条的长短表示相互独立的各指标值的大小，我们的口诀是：独立条约。当然直条图还有别名：条图、条形图，看到的时候别不认识。
直方图以等宽矩形的面积表示频数的多少，用于表示连续变量的频数分布，常在频数表的基础上绘制直方图。我们的记忆口诀是：分方。
还有什么不明白的，都可以评论区给我留言，我来给你梳理~
当然，如果你想要系统性学习预防人文，也可以直接听我讲的全套课程！
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

Top咨询名企13万一页的PPT曝光!看完只想说:钱给少了

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-08 11:09:19 HTTP/1.1 GET : http://h.sjds.net/a/503351.html
  2. 运行时间 : 0.083073s [ 吞吐率：12.04req/s ] 内存消耗：4,343.34kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=1d03ab1b71f3bc2670b495fdcdb04475
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  1. CONNECT:[ UseTime:0.000502s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000864s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000403s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000399s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000671s ]
  6. SELECT * FROM `set` [ RunTime:0.000365s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000770s ]
  8. SELECT * FROM `article` WHERE `id` = 503351 LIMIT 1 [ RunTime:0.000490s ]
  9. UPDATE `article` SET `lasttime` = 1794107359 WHERE `id` = 503351 [ RunTime:0.001454s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000429s ]
  11. SELECT * FROM `article` WHERE `id` < 503351 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000632s ]
  12. SELECT * FROM `article` WHERE `id` > 503351 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000462s ]
  13. SELECT * FROM `article` WHERE `id` < 503351 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000855s ]
  14. SELECT * FROM `article` WHERE `id` < 503351 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000745s ]
  15. SELECT * FROM `article` WHERE `id` < 503351 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000774s ]
0.095029s