Techlog

Blog and CV about Machine Learning, Computer Vision, Data Science, Python.

Dimensionality Reduction

PCA와 LDA를 활용한 차원축소

14 min read · March 10, 2025

2025 · PCA, LDA · ML
Imbalanced Data

데이터 불균형

8 min read · February 15, 2025

2025 · Under_Sampling, Over_Sampling, RandomOverSampling, SMOTE, RandomUnderSampling, NearMiss · ML
Feature Engineering(1)

피처 엔지니어링

4 min read · February 15, 2025

2025 · NMAE, Feature_Engineering · ML
Difference Between Removing Outliers Before vs. After Splitting the Data

이상치 제거와 데이터 분할 순서에 따르는 차이점

2 min read · February 13, 2025

2025 · Outliers, Data_Split · ML
Outlier Scan

이상치의 탐지

14 min read · February 04, 2025

2025 · Z-Score, IQR, DBSCAN, LOF · ML