Скачать или смотреть How to Wrangle Data in Excel: Cleaning, Transforming, and Validating Data (Data Wrangling)

In this session, you’ll learn how to clean, transform, and prepare raw data in Excel for analysis. This lesson covers data cleaning techniques, clipping and adjusting text, combining and formatting data, applying conditional logic, and finding and handling errors using Excel formulas.

You’ll learn how data analysts use Excel functions like LEFT, RIGHT, MID, TRIM, CONCAT, UPPER, LOWER, PROPER, IF, AND, OR, NOT, SEARCH, FIND, and IFERROR to prepare messy datasets for reporting and decision-making.

Key Takeaways
Learn how to clean and prepare data in Excel
Learn how to clip and extract text using LEFT, RIGHT, and MID
Learn how to remove extra spaces using TRIM
Learn how to combine text using CONCAT
Learn how to format text using UPPER, LOWER, and PROPER
Learn how to apply conditional logic using IF, AND, OR, and NOT
Learn how to search and extract values using SEARCH and FIND
Learn how to handle errors using IFERROR

Chapters
00:00 Introduction to data wrangling in Excel
06:20 Cleaning and preparing raw data
18:40 Clipping and extracting text (LEFT, RIGHT, MID)
32:10 Removing extra spaces with TRIM
42:30 Combining and formatting text (CONCAT, UPPER, LOWER, PROPER)
58:10 Applying conditional logic (IF, AND, OR, NOT)
1:15:40 Finding and extracting data (SEARCH, FIND)
1:30:20 Handling errors using IFERROR
1:42:40 Summary and next steps

Q&A
Q: What is data wrangling in Excel?
A: Data wrangling is the process of cleaning, transforming, and preparing raw data for analysis.

Q: Why is data cleaning important before analysis?
A: Clean data ensures accurate analysis and prevents errors in reports and dashboards.

Q: What are text functions in Excel used for?
A: Text functions help extract, combine, and format text data for analysis.

Q: What is conditional logic in Excel?
A: Conditional logic allows you to apply rules to data using formulas like IF, AND, and OR.

Q: How do data analysts prepare data in Excel?
A: Data analysts clean, transform, validate, and format data before analyzing and reporting.

Learning Path
This video is part of the Excel for Data Analysis (Beginner to Advanced Learning Path).
🔗 Watch the full playlist here:    • How to Use Excel for Data Analysis (Beginn...  


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