https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Mon, 15 Jun 2026 00:00:00 GMT https://www.youngju.dev/blog/productivity/2026-06-15-excel-power-query-data-cleaning.en https://www.youngju.dev/blog/productivity/2026-06-15-excel-power-query-data-cleaning.en A step-by-step guide to automating data import and transformation with Power Query. Covers combining folders, merging and appending queries, parameters, a taste of the M language, refresh automation and its limits, plus a real-world monthly report example and common pitfalls. Mon, 15 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) excelproductivitypower-queryetldata-cleaningautomationoffice https://www.youngju.dev/blog/productivity/2026-06-15-excel-power-query-data-cleaning.ja https://www.youngju.dev/blog/productivity/2026-06-15-excel-power-query-data-cleaning.ja Power Queryでデータの取り込みと変換を自動化する方法を、ステップごとに整理します。フォルダーの結合、クエリのマージ／追加、パラメーター、M言語の触りどころ、更新の自動化とその限界、そして実務の月次レポート事例とよくある落とし穴まで扱います。 Mon, 15 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) excelproductivitypower-queryetldata-cleaningautomationoffice https://www.youngju.dev/blog/productivity/2026-06-15-excel-power-query-data-cleaning https://www.youngju.dev/blog/productivity/2026-06-15-excel-power-query-data-cleaning Power Query로 데이터 가져오기와 변환을 자동화하는 방법을 단계별로 정리합니다. 폴더 결합, 쿼리 병합/추가, 매개변수, M 언어 맛보기, 새로 고침 자동화와 한계, 그리고 실무 월간 리포트 사례와 흔한 함정까지 다룹니다. Mon, 15 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) excelproductivitypower-queryetldata-cleaningautomationoffice