Did you know that data analysts spend up to 80% of their time cleaning and preparing data? If you’re nodding in agreement, you’re not alone. The good news is that tools like Power Query in Excel and ...

Merge lists even with typos and inconsistent names. Tune the similarity threshold, use a transform table, and audit results ...

传统的Excel单表虽然可以有100万行数据的承载量，但是在实际分析时，20万行的数据就已经让传统的Excel非常吃力了。 但是， 如果使用Excel中的Power Query和Power Pivot商务智能组件，即使是上百万行数据，也可以在短时间内快速完成处理和分析。 Power Query在Excel和Power ...

Have you ever found yourself staring at a sprawling Excel workbook, wondering if you’re using the right tool for the job? Between Power Query, Power Pivot, and VBA, it’s easy to feel like you’re ...

How to combine data ranges with Microsoft Power Query in Excel Your email has been sent Microsoft Power Query showed up in Excel 2016, though earlier versions can ...

How to convert a birth date to an age without an expression using Microsoft Excel Power Query Your email has been sent Calculating age requires a bit of specialized knowledge. Any expression you use ...

Q. There was a December 2020 article in the JofA about cleaning and joining data using a program called Alteryx, but we don’t have access to this program. Could you explain how to do those tasks using ...