R语言与数据可视化-畅读网

　　　　

R语言与数据可视化

作者：段宇锋

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内容简介:

随着数据规模的增长和复杂程度的提高，人们迫切需要利用计算机图形学技术与方法来处理和可视化这些数据集。R是统计领域广泛使用的S语言的一个分支，是一套完整的数据处理、计算和制图软件系统。本书将主要从商业数据的分析利用角度，讲解R的绘图系统，指导读者通过绘图系统实现数据可视化。

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CONNECT:[ UseTime:0.001799s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.002848s ]
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:0.002719s ]
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:0.001667s ]
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:0.001759s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.002827s ]
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:0.003536s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.003098s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.001576s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.002402s ]
SELECT * FROM `ls_goods` WHERE `id` = 125216 AND `status` = 1 LIMIT 1 [ RunTime:0.002090s ]
UPDATE `ls_goods` SET `click_count` = 62 , `update_time` = 1771833806 WHERE `id` = 125216 [ RunTime:0.001684s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.003632s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 38 LIMIT 1 [ RunTime:0.001577s ]
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:0.002238s ]
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:0.005217s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1771833746 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:2.561483s ]

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