本书详细地介绍了大数据、人工智能等项目中不可或缺的环节和内容：数据准备和特征工程。书中的每节首先以简明方式介绍了基本知识；然后通过实际案例演示了基本知识的实际应用，并提供了针对性练习项目，将"知识、案例、练习"融为一体；最后以"扩展探究"方式引导读者进入更深广的领域。 本书既适合作为大学相关专业的教材，也适合作为大数据、人工智能等领域的开发人员的参考读物。
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