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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mastering-power-bi-transforming-data-into-insights/
课程评论:没有评论
**课程名称:** 掌握 Power BI:将数据转化为洞察 **课程概述:** 本课程是一门全面、实操性的课程,旨在帮助您从基础知识到高级技能,全面掌握 Microsoft Power BI,释放数据潜力。无论您是业务分析师、数据专业人士还是有志于成为 BI 开发人员,本课程都将为您提供将原始数据转化为可操作洞察所需的技能和信心。 **课程内容亮点:** * **数据准备 (Power Query):** * 学习导入、清理和转换数据,构建高效的数据准备工作流。 * 了解不同的存储模式及其相互之间的差异。 * 探索 Power BI 中的聚合功能,学习如何利用聚合克服性能挑战。 * **维度建模:** * 深入学习维度建模技术,将数据结构化为事实表和维度表,以实现高效查询和用户友好的分析。 * 探索星型和雪花型模型。 * 学习识别事实和维度,并在 Power BI 中实施这些模型,以支持自助服务分析和准确的绩效衡量。 * **DAX (数据分析表达式):** * 学习 Power BI 的核心公式语言 DAX。 * 掌握 DAX 的编写,执行动态计算,创建时间智能度量值。 * 理解计算上下文,驱动报表的交互性。 **学习方式:** 课程将理论知识与实践相结合,通过实际案例任务巩固学习。您将解决常见的业务问题,并完成一个模拟真实报表挑战的引导式项目。 **课程目标:** * 掌握 Power BI 的端到端 BI 工作流程。 * 能够将原始数据转化为可操作的业务洞察。 * 为通过 PL-300 认证打下坚实的基础。 **先修要求:** 无需 Power BI 经验,但熟悉 Excel 或具备基本数据概念将有所帮助。
Unlock the power of data with "Mastering Power BI: Transforming Data into Insights" - a comprehensive, hands-on course designed to take you from foundational knowledge to advanced proficiency in Microsoft Power BI. Whether you're a business analyst, data professional, or aspiring BI developer, this course provides the skills and confidence you need to transform raw data into actionable insights.Starting with Power Query, you'll learn how to import, clean, and shape data, building efficient preparation workflows. Along the way you will learn about the different storage modes available and be able to contrast between them. You will also explore aggregations in Power BI and learn how to use these to overcome performance challenges.A special emphasis is placed on Dimensional Modeling - a technique used to structure data into fact and dimension tables for efficient querying and user-friendly analytics. You'll explore star and snowflake schemas, learn how to identify facts and dimensions and implement these models in Power BI to support self-service analysis and accurate performance measurement.The course then progresses into DAX (Data Analysis Expressions) - the formula language of Power BI. You'll learn how to write DAX to perform dynamic calculations, create time intelligence metrics, understand evaluation context and drive interactivity in your reports.Throughout the course, theory is balanced with practical, real-world tasks that reinforce learning. You will solve common business problems, and complete a guided project that simulates actual reporting challenges. By the end, you'll have a deep understanding of the end-to-end BI workflow.No prior experience in Power BI is required, but familiarity with Excel or basic data concepts is helpful.This course will also help you build the knowledge and skills needed to pass the PL-300 certification.