Python数据分析与可视化（微课版）-畅读网

　　　　

Python数据分析与可视化（微课版）

作者：李俊吉

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内容简介:

本书讲解数据分析基础知识，针对数据分析与可视化的初学者介绍相关方法及概念。全书共分9章，内容包含数据分析概述、数据集的存储与读取、NumPy数组与矩阵运算、Pandas高性能的数据结构和数据分析工具、数据预处理、Matplotlib可视化绘图、机器学习与数据挖掘以及就业分析综合实战和电商数据分析两项综合实战。本书可作为高等院校计算机、大数据相关专业的教材，也可作为数据分析从业人员的参考用书。

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CONNECT:[ UseTime:0.010186s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.014801s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.025946s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.009669s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.012854s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.009097s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002236s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002596s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.005488s ]
SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.003106s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.002320s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.008878s ]
SELECT * FROM `ls_goods` WHERE `id` = 147881 AND `status` = 1 LIMIT 1 [ RunTime:0.022321s ]
UPDATE `ls_goods` SET `click_count` = 191 , `update_time` = 1771429177 WHERE `id` = 147881 [ RunTime:0.006529s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 147881 LIMIT 1 [ RunTime:0.014055s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 38 LIMIT 1 [ RunTime:0.009161s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.010678s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.006904s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.005592s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002493s ]
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SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.009929s ]
SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.011530s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 10 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.010773s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 38 LIMIT 1 [ RunTime:0.010848s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.019445s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.013475s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1771429117 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.517511s ]

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