MS AI School Day 16

1. Text Mining

1) 감정 분석
2) 중요 단어 (해시 태그)
3) 긍정, 부정
4) 자연어처리
5) Bag of words

2. 데이터 전처리

1) Scaling
2) Sampling
3) Dimensionality Reduction (차원의 축소)
4) Categorical Variable to Numeric Variable

• One-Hot, Label, Target and K-Fold Target Encoding, Clearly Explained
  https://www.youtube.com/watch?v=589nCGeWG1w