Python数据挖掘实战:洞悉海量信息

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"Learning Data Mining with Python.pdf" 在信息爆炸的时代,数据挖掘已成为获取关键洞察力的关键工具。Python作为数据挖掘的首选语言之一,以其强大的分析能力和灵活性受到广大数据科学家的青睐。《Learning Data Mining with Python》这本书正是针对这一主题,旨在帮助读者掌握使用Python进行数据挖掘的各种技术和算法。 书中首先介绍了数据挖掘的基础,包括分类和相关性分析,这些都是构建预测模型的基本步骤。通过实际案例,读者可以学习如何处理和分析不同种类的数据集,从而解决现实世界的问题。随着内容的深入,作者罗伯特·莱顿(Robert Layton)引导读者探索更复杂的 数据类型,如文本、图像和图形数据,这些在当今大数据环境中极为常见。 Python生态系统中有着丰富的数据挖掘库,本书涵盖了其中的一些关键库,例如IPython Notebook,这是一个交互式计算环境,便于数据探索和可视化;Pandas,是一个强大的数据分析框架,用于数据清洗和预处理;Scikit-Learn,是一个机器学习库,提供了多种机器学习算法,如决策树、支持向量机和神经网络等;以及NLTK(自然语言工具包),专门用于处理文本数据,包括分词、词性标注和情感分析等。 每一章都深入讲解新的数据挖掘技术和算法,确保读者能够逐步理解并应用这些知识。从简单的统计方法到复杂的机器学习模型,读者将在实践中不断深化对数据挖掘的理解。此外,书中的实例代码和解释有助于读者更好地掌握这些概念,并能独立创建自己的数据挖掘项目。 本书的目标不仅是让读者熟悉Python数据挖掘的常用工具,还要让读者具备独立解决数据驱动问题的能力。通过阅读,读者不仅会学会如何利用Python进行数据预处理、特征工程、模型训练和验证,还会对不同算法的优缺点有所了解,从而能够根据具体问题选择合适的解决方案。 《Learning Data Mining with Python》是一本面向初学者和有一定经验的数据科学爱好者的实用指南,无论你是希望进入数据挖掘领域,还是想要提升现有技能,都能从中受益匪浅。通过这本书,你将能够在Python的助力下,挖掘出隐藏在海量数据中的宝贵信息,为企业决策和科学研究带来深刻的洞见。
2015-08-20 上传
Harness the power of Python to analyze data and create insightful predictive models About This Book Learn data mining in practical terms, using a wide variety of libraries and techniques Learn how to find, manipulate, and analyze data using Python Step-by-step instructions on creating real-world applications of data mining techniques Who This Book Is For If you are a programmer who wants to get started with data mining, then this book is for you. What You Will Learn Apply data mining concepts to real-world problems Predict the outcome of sports matches based on past results Determine the author of a document based on their writing style Use APIs to download datasets from social media and other online services Find and extract good features from difficult datasets Create models that solve real-world problems Design and develop data mining applications using a variety of datasets Set up reproducible experiments and generate robust results Recommend movies, online celebrities, and news articles based on personal preferences Compute on big data, including real-time data from the Internet In Detail The next step in the information age is to gain insights from the deluge of data coming our way. Data mining provides a way of finding this insight, and Python is one of the most popular languages for data mining, providing both power and flexibility in analysis. This book teaches you to design and develop data mining applications using a variety of datasets, starting with basic classification and affinity analysis. Next, we move on to more complex data types including text, images, and graphs. In every chapter, we create models that solve real-world problems. There is a rich and varied set of libraries available in Python for data mining. This book covers a large number, including the IPython Notebook, pandas, scikit-learn and NLTK. Each chapter of this book introduces you to new algorithms and techniques. By the end of the book, you will gain a large insight into using Python for data mining, with a good knowledge and understanding of the algorithms and implementations. Table of Contents Chapter 1: Getting Started with Data Mining Chapter 2: Classifying with scikit-learn Chapter 3: Predicting Sports Winners with Decision Trees Chapter 4: Recommending Movies Using Affinity Analysis Chapter 5: Extracting Features with Transformers Chapter 6: Social Media Insight Using Naive Bayes Chapter 7: Discovering Accounts to Follow Using Graph Mining Chapter 8: Beating CAPTCHAs with Neural Networks Chapter 9: Authorship Attribution Chapter 10: Clustering News Articles Chapter 11: Classifying Objects in Images Using Deep Learning Chapter 12: Working with Big Data Appendix: Next Steps…