Tag: 데이터전처리
-
Python 이상치 탐지: IQR, Z-Score, Isolation Forest 비교
IQR vs Z-Score vs Isolation Forest vs DBSCAN for outlier detection. Real performance numbers and when to use each method in production.
-
Pandas DataFrame 완벽 가이드: 데이터 분석 기초부터 실무 활용까지
Pandas DataFrame operations that actually matter: merge strategies, groupby pitfalls, and memory optimization tricks for 100M+ row datasets.
-
시계열 데이터 결측치 처리 완벽 가이드: Forward Fill부터 ARIMA 보간까지 실전 비교
Time series missing data: compare 6 imputation methods (forward fill to ARIMA) with MAE scores on sensor datasets.