Merekayasa fitur baru

Prapemrosesan untuk Machine Learning di Python

James Chapman

Curriculum Manager, DataCamp

Rekayasa fitur UFO

date length_of_time desc
6/16/2013 21:00 5 minutes Sabino Canyon Tucson Arizona night UFO sighting.
9/12/2005 22:35 5 minutes Star like objects hovering in sky, slowly m...
12/31/2013 22:25 3 minutes Three orange fireballs spotted by witness in E...

 

  • Tanggal: atribut .dt.month atau .dt.hour
  • Regex: \d dan .group()
  • Teks: tf-idf dan TfidfVectorizer
Prapemrosesan untuk Machine Learning di Python

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Prapemrosesan untuk Machine Learning di Python

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