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所在平台: Udemy |
课程主页: https://www.udemy.com/course/practical-data-cleaning/
课程评论：没有评论
**课程名称:** 实用数据清洗 (Practical Data Cleaning) **课程概述:** 本课程由 Coursera 提供，旨在教授学员如何有效地进行数据清洗。数据清理是一个至关重要的步骤，能够确保数据质量，从而更充分地利用数据。课程强调，尽管数据清理过程可能显得复杂，但通过组织和遵循一些基本规则，可以使数据清洗过程变得简单、快速且有效，从而节省时间和金钱。 **课程亮点:** * **适合初学者:** 课程以简单易懂的语言讲解，是数据清洗领域的入门课程。 * **涵盖核心内容:** 学习数据收集、数据清洗、数据分类（增强版）和数据完整性等基本概念。 * **实用技巧:** 提供实用的组织数据集的方法以及提高数据输入准确性的技巧。 * **提升效率:** 帮助学员节省时间，减少错误，提高工作效率。 * **错误检测:** 学习利用多工作表构建数据的时间流，从而检测错误发生的时间、方式和地点。 **学习收获:** 通过本课程，学员将能够： * 以节省时间的方式组织数据集。 * 减少在 Excel 等工具中录入数据时犯的错误。 * 提高数据处理的整体生产力。 * 更快地获得分析结果。 * 掌握数据清理的基本原理和实用方法。 **课程特点:** * 免费视频课程。 * 强调通过组织和技巧简化数据清理流程。 * 教授如何在一个工作表中输入数据，以及如何利用多工作表进行数据流管理。
"Data is a lot messier and noisier than people want to acknowledge" Nate Silver If you want to get the most out of your data, you're going to need to treat it with respect. Most textbooks on data tend not to dwell on practical issues because, well, it can get quite messy. But if you're organised and follow a few simple rules your data cleaning processes can be simple, fast and effective - saving you time and money. Practical Data Cleaning is a thorough introduction to the basics of data cleaning, is perfect for beginners, and takes you through: Data CollectionData CleaningData Classification *Enhanced Section*Data Integrity Why do things the difficult way when you can do them simply? It really is all about spending a little bit of time to organise yourself and apply some neat tips and tricks to your process. If you watch this video course you WILL: organise your datasets in a way that will save you timereduce the amount of mistakes you make when entering data into Excelbecome more productiveget your results much faster When you get your data organised, your data cleaning processes become much easier and faster, giving you time to plan your next holiday on company time (I won't tell the boss if you won't...). This is what you will be learning in the Practical Data Cleaning video course. This FREE video course will introduce you to the basic principles of why and how your data should be entered onto a single worksheet. It will also teach you how to utilise multiple worksheets in your workbook to build a chronological flow into your data cleaning processes so you can detect when, how and where errors were introduced. Everything is explained in simple language and is perfect for beginners.
