Glossary
파레토 차트란 무엇인가? 정의, 예시, 작성 방법 (2026)
파레토 차트는 정렬된 막대와 보조축의 누적 선으로 구성됩니다. 파레토 차트가 해결하는 질문, Excel에서 만드는 방법, 그리고 사람들이 흔히 실수하는 두 가지 설정에 대해 알아봅니다.
선행 지표 vs. 후행 지표: 정의, 예시 및 선택 방법 (2026)
후행 지표는 이미 발생한 일을 보고하는 반면, 선행 지표는 먼저 움직여 대처할 시간을 줍니다. 세 가지 테스트를 통해 이 둘을 구분할 수 있으며, 실제로 측정된 시차만이 유효합니다.
신뢰구간이란 무엇인가? 정의, 예시, 그리고 읽는 방법 (2026)
신뢰구간은 반복된 표본 추출에서 명시된 비율만큼 실제 모수를 포함하는 방식으로 표본 데이터로부터 계산된 범위입니다. 신뢰도는 슬라이드에 표시된 특정 범위가 아니라 해당 분석 방법을 설명합니다.
데이터 스토리텔링이란 무엇인가? 정의, 예시 및 프레임워크 (2026)
데이터 스토리텔링은 청중이 특정 결론에 도달하고 그에 따라 행동할 수 있도록 데이터, 시각 자료, 내러티브를 결합하는 과정입니다. 내러티브는 차트가 단독으로 해결할 수 없는 역할을 수행합니다.
통계적 유의성이란 무엇인가? 정의, 예시, 한계 (2026)
통계적 유의성은 결과가 단순히 우연히 발생했을 가능성이 낮음을 의미합니다. 보통 p-값이 0.05 미만으로 떨어질 때 유의하다고 판정하며, 이는 자연의 성질이 아니라 편의상 채택된 관례입니다.
깔때기형 차트란 무엇인가? 정의, 예시, 그리고 사용하지 말아야 할 때 (2026)
깔때기형 차트는 프로세스의 연속적인 단계에 따른 값을 보여주며, 수치가 감소함에 따라 좁아지는 가로 막대로 표시됩니다. 이 차트의 용도, Excel에서 만드는 방법, 그리고 오해를 불러일으킬 수 있는 3가지 경우를 소개합니다.
코호트 분석이란 무엇인가? 정의, 예시 및 실행 방법 (2026)
코호트 분석은 가입 시기를 기준으로 사람들을 그룹화한 다음 시간 경과에 따라 각 그룹을 개별적으로 추적하므로, 전체 수치의 성장이 그 아래의 감소를 감추지 못하게 합니다.
폭포수 차트란 무엇인가요? 정의, 예시, 그리고 만드는 방법 (2026)
폭포수 차트는 값이 더해지고 빼짐에 따라 누적 합계를 표시하여, 시작 값이 어떻게 최종 값이 되는지 보여줍니다. 폭포수 차트의 정의와 제작 방법을 소개합니다.
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What Is EDA? How It Revolutionizes Data Insights for Everyone?
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Exploratory Data Analysis (EDA) with Generative AI: A Whitepaper
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What is Vibe Data Engineering? Definition, Features & Use Cases (2025 Guide)
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