전체 글 45

How to Create a Year-over-Year Monthly Production Chart Using Power Query in Excel

If you manage monthly production or sales data, comparing trends across years is much clearer in a chart than a table. Power Query makes this easy by reshaping your data automatically. Start by loading your source table (Year, Month, Total) into Power Query. Keep only the Month and Total columns, then pivot by Year to get a clean structure: Month | 2023 | 2024 | 2025 | 2026. Load this to a works..

Excel automation 2026.04.06

Power Query Insert Blank Row Automatically After Changed Rows in Excel

When working with Excel data, you may need to insert a blank row after specific rows such as "Changed" records. In many cases like construction reports or management logs, data is structured as "Original / Changed". To improve readability, a blank row is often required after each changed row. However, doing this manually takes time and needs to be repeated whenever new data is added. This exampl..

Power Query Merge Multiple Excel Files and Create City Ranking by US Dollars

When multiple Excel files share the same structure, manually opening and combining them one by one takes too much time. This example shows how to use Power Query to automatically merge multiple Excel files and generate a ranking based on US dollars. Even if new Excel files are added to the folder, the result can be updated automatically with a simple refresh. ## Process Using Power Query, the fo..

Power Query: Monthly Inspection Summary (Pass Rate, Total & Passed Count Automation)

Managing inspection data in Excel often requires calculating monthly totals and pass rates. In this example, you’ll learn how to automatically generate monthly inspection count, passed count, and pass rate using Power Query. Once the data is updated, simply refresh to get the latest results — no need to modify formulas. Power Query를 활용해 엑셀 검사관리대장에서 월별 검사건수, 합격건수, 합격률을 자동으로 계산하는 방법을 정리했습니다. 이 자동..

반복노동을 없애는 데이터 자동화 구조

매달 반복되는 엑셀 정리, 같은 형식의 보고서 작성, 복사와 붙여넣기로 이어지는 데이터 작업.처음에는 속도를 높이는 것이 목표였습니다. 더 빠르게 처리하고, 더 효율적으로 정리하는 방법을 찾으려 했습니다.하지만 어느 순간 깨달았습니다.문제는 ‘속도’가 아니라 ‘구조’에 있다는 것을.자동화는 매크로 하나를 만드는 일이 아니라,데이터가 수집되고, 저장되고, 변환되고, 시각화되어 결과로 이어지는전체 흐름을 설계하는 일이라는 것을 알게 되었습니다.Web Crawling으로 데이터를 가져오고,MySQL에 적재하고,Power Query로 구조를 정리하고,Power BI로 자동 리포트를 생성하는 과정.이 블로그는 단순한 기능 설명이 아니라반복 노동을 제거하는 데이터 자동화 구조 설계 과정을 기록하는 공간입니다.작은 ..

Excel automation 2026.03.10