Python数据科学指南-<artentek>电子书

　　　　

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Python数据科学指南

作者：萨伯拉曼尼安

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内容简介:

Python作为一种高级程序设计语言，凭借其简洁、易读及可扩展性日渐成为程序设计领域备受推崇的语言，并成为数据科学家的必读之一。本书详细介绍了Python在数据科学中的应用，包括数据探索、数据分析与挖掘、机器学习、大规模机器学习等主题。每一章都为读者提供了足够的数学知识和代码示例来理解不同深度的算法功能，帮助读者更好地掌握各个知识点。本书内容结构清晰，示例完整，无论是数据科学领域的新手，还是经验丰富的数据科学家都将从中获益。

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CONNECT:[ UseTime:0.003980s ] mysql:host=127.0.0.1;port=3306;dbname=biebai.com_www;charset=utf8
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.002920s ]
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:0.002546s ]
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:0.000723s ]
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:0.002074s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.003266s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.001914s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.001851s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.002691s ]
SELECT * FROM `ls_goods` WHERE `id` = 143445 AND `status` = 1 LIMIT 1 [ RunTime:0.001250s ]
UPDATE `ls_goods` SET `click_count` = 122 , `update_time` = 1776745304 WHERE `id` = 143445 [ RunTime:0.001707s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 143445 LIMIT 1 [ RunTime:0.006727s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001009s ]
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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:0.007746s ]
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SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.004271s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.017088s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001666s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1776745245 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.594884s ]

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