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Study/Data Science

  • 교차 검증(Cross Validation) 2019.03.06
  • PCA(Principal component analysis) 간단 정리 2019.02.21
  • Python 감성 분석 및 감성사전 구축. 2018.12.27 5
  • PCA & PCR Python numpy code 2018.11.25
  • NLTK를 이용한 Frequency Distributions, Conditional Frequency Distributions, Stopwords 2018.11.08
  • python ntlk를 이용한 sent, word tokenize 2018.11.06
  • 𝐹-test and T-test for OLS regression boston dataset 2018.10.17
  • 비정형 데이터 모델 TF Model , TF-IDF Model(CountVectorizer, TfidfVectorizer, Word Count) 2018.10.17
  • K-Means Clustering, Hierarchical Clustering 2018.10.16
  • Confusion Matrix 혼동 행렬 2018.08.03
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