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所在平台: Udemy |
课程主页: https://www.udemy.com/course/complete-m-language-from-scratch-in-power-query-for-power-bi/
课程评论:没有评论
课程名称:从零开始完全掌握Power BI中的M语言 课程概述:本课程旨在带您深入了解Power BI中的M语言,帮助您从初学者成长为高级用户。无论您是Power BI的新手还是已有一定的数据转换经验,本课程将涵盖您掌握M语言所需的一切内容,并充分发挥Power Query的潜力。 课程亮点: - 基础知识:学习M语言的基础,以确保为更高级的主题奠定坚实基础。 - M语言基础:理解M语言的核心概念,包括语法、函数、数据类型和结构。学习如何编写基本查询,并执行简单的转换以操纵数据。 - 操作学习:掌握M语言中的基本运算(加、减、乘、除)和比较运算(等于、大于、小于),高效处理和精细化数据。 - 条件逻辑与If语句:深入学习M语言中的条件逻辑,使用“if”语句创建自定义条件,动态调整数据转换。 - 参数化:了解如何在Power Query中使用参数,使查询动态化和可重用,从而简化数据转换过程。 - 自定义函数:学习如何创建和使用M语言中的自定义函数,简化重复任务,提高Power Query工作流效率。 - 文本、数字和日期时间函数:掌握M语言中的基本函数,以有效操纵文本、数字和日期,包括文本函数、数字函数和日期时间函数。 - 列表和记录的操作:精通在M语言中处理列表和记录,轻松操纵复杂数据结构。 - 列表、记录和表的函数深度解析:探索处理列表、记录和表的高级M语言函数,实现复杂的数据转换。 - 数据清理与错误处理:学习识别和处理数据集中的错误、缺失值和重复条目。 - 错误处理与调试:掌握Power Query中的错误处理与调试,确保转换的健壮性和可靠性。 - 查询优化:学习优化M查询的策略,提高处理大数据集的性能和减少处理时间。 - 实践练习:通过动手练习巩固关键概念和技术的学习。 通过本课程,您将全面掌握M语言的应用,提高在Power Query中的数据处理能力。
Dive into the world of M Language in Power Query for Power BI with this comprehensive course, designed to take you from beginner to advanced levels. Whether you're new to Power BI or have some experience with data transformation, this course covers everything you need to Proficient M Language and unlock the full potential of Power Query.Course Highlights:Fundamentals Covered:Learn the basics of M Language to ensure a strong foundation for more advanced topics.M Language Basics:Understand the core concepts of M Language, including syntax, functions, data types and structure. Learn how to write basic queries and perform simple transformations to manipulate your data.Operations Covered: Arithmetic, Comparison, and More:Learn how to perform essential operations in M Language, including arithmetic (addition, subtraction, multiplication, division) and comparison (equal to, greater than, less than). Master these operations to manipulate and refine your data efficiently in Power Query.Conditional Logic & If Statements:Dive into conditional logic in M Language. Learn to create custom conditions using "if" statements to dynamically adjust your data transformations.Parameterization:Understand how to use parameters in Power Query to make your queries dynamic and reusable, streamlining your data transformation process.Custom Functions:Learn how to create and use custom functions in M Language to simplify repetitive tasks. Master the art of building reusable functions that enhance your Power Query workflows and improve query efficiency.Text, Number, and DateTime Functions:Master essential functions in M Language to manipulate text, numbers, and dates. Learn how to apply text functions (like concatenation and trimming), number functions (such as rounding and conversions), and DateTime functions (for calculating and formatting dates) to transform your data effectively.Working with Lists & Records:Master working with lists and records in M Language, allowing you to manipulate complex data structures with ease.List, Record, and Table Functions - Deep Dive:Explore advanced M Language functions for working with lists, records, and tables. Learn how to manipulate lists (filter, sort, and transform), work with records (accessing and modifying fields), and handle tables to perform complex data transformations in Power Query.Data Cleansing & Handling Errors:Learn how to identify and handle errors, missing values, and duplicate entries in your datasets.Error Handling & Debugging:Master error handling and debugging in Power Query, ensuring that your transformations are robust and reliable.Optimizing Queries:Learn strategies for optimizing your M queries to improve performance and reduce processing time when working with large datasets.Additional Features:Practical Exercises:Apply your learning with hands-on exercises designed to reinforce key concepts and techniques.