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text_datamining's Introduction

TextMining

  1. Head-Tail Tokenizer

    • 주어진 텍스트 파일을 형태소 분석하여 Head-Tail을 구분
  2. Text Representation

    • 주어진 train set을 bigram단위로 token화 하고 tf-idf유사도를 구함
    • 선택한 test set comment와 가장 흡사한 train set 상위 5개를 출력
  3. Word Count

    • word list 텍스트 파일을 입력받아 Map Reduce를 통해 word 수를 count
    • Map Reduce 함수를 직접 구현하여 진행
    • 이를 이용하여 GCP에 올려 테스트 진행
  4. 공기질 분석

    • 'Measurement_info.csv'파일을 읽어들여 여러가지 문제를 해결한다.
      1. 각지역별 평균, 최대, 최소 구하기
      1. PM10, PM2.5기준 '좋음'수준이 가장 많이 측정된 지역 찾기
      1. <시간, 지역> 별 모든 종류의 측정치 모아 저장 (데이터 변환)
      1. 시간대 기준(ex.01:00) 으로 평균 공기질 구하기

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