Instead of tedious hands-on repairs, Excel lets you quickly clean, reshape, and combine CSV files through repeatable Power ...

1. はじめに：パワークエリでExcel作業を劇的に効率化！ 🧑‍💻 Excelを使っていると、データ整理にかなりの時間を費やしてしまうことはありませんか？ 数千行に及ぶデータを手動で並び替えたり、複数のシートを手作業で統合したりする作業は、非常に ...

こちらの動画では、ExcelのPower Queryを利用して、複数のテーブルのデータをピボットテーブルで集計する方法について解説します。 Excelのピボットテーブルは、マウス操作だけでデータを簡単に集計することができる大変便利な機能ですが、通常はシート上に ...

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 ...

When working with address data, you may encounter situations where you need to merge multiple columns, such as address, town, and postcode, into a single column. Power Query makes this task a breeze.

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 ...