特征工程入门与实践 从零入手 全面了解特征工程 提升机器学习算法的效率、准确率
特征工程是数据科学和机器学习流水线上的重要一环,包括识别、清洗、构建和发掘数据的特征,为进一步解释数据并进行预测性分析做准备。本书囊括了特征工程的全流程,从数据检查到可视化,再到转换和进一步处理等,并给出了大量数学工具,帮助读者掌握如何将数据处理、转换成适当的形式,以便送入计算机和机器学习流水线中进行处理。后半部分的特征工程实践用Python作为示例语言,循序渐进,通俗易懂。- 识别和利用不同类型的特征- 清洗数据中的特征,提升预测能力- 为何、如何进行特征选择和模型误差分析- 利用领域知识构建新特征- 基于数学知识交付特征- 使用机器学习算法构建特征- 掌握特征工程与特征优化- 在现实应用中利用特征工程
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Product Details 基本信息 ISBN-13 书号 9780593204016 Author 作者 Divya Srinivasan Format 版本 精装 Pages Number 页数 40页 Publisher 出版社 Penguin USA Publication Date 出版日期 2021-08-03 Product Dimensions 商品尺寸 24.6 x 0.9 x 26.2 cm Shipping Weight 商品重量 425 Language 语种 其它(含多语) Book Contents 内容简介 The creator of Little Owl’s Night explores and celebrates the complexities of what makes us who we are in this comforting and thoughtful picture book.A young narrator describes herself: a girl, a granddaughter, Indian, and American. Soon, we see the young girl as a plethora of things: selfish and generous, mean and kind, brave and mischievous. While many of these qualities oppose each other, the context and illustrations make it abundantly clear that she speaks the truth. She is a walking contradiction, and that is precisely what makes her both a unique individual and
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