• Title/Summary/Keyword: forward stagewise algorithm

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Classification of large-scale data and data batch stream with forward stagewise algorithm (전진적 단계 알고리즘을 이용한 대용량 데이터와 순차적 배치 데이터의 분류)

  • Yoon, Young Joo
    • Journal of the Korean Data and Information Science Society
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    • v.25 no.6
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    • pp.1283-1291
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    • 2014
  • In this paper, we propose forward stagewise algorithm when data are very large or coming in batches sequentially over time. In this situation, ordinary boosting algorithm for large scale data and data batch stream may be greedy and have worse performance with class noise situations. To overcome those and apply to large scale data or data batch stream, we modify the forward stagewise algorithm. This algorithm has better results for both large scale data and data batch stream with or without concept drift on simulated data and real data sets than boosting algorithms.