Week 3 Data Analysis 之前後上下

DA modules

Start with some questions or problems in mind

=> Collect Data
=> Exploratory data analysis (Data Visualization and various numerical summaries)
=> Data analysis (Statistics, Machine learning, DL, AI etc)
=> Inter-discussion/Joint work with subject field professionals
=> Scientific report/ Media report

Not all data are (created) equal

Controlled experiment vs. observational study

Examples:

  • Vitamin C ~ Cold
  • SKIII ~ whitening
  • Drinking ~ Lung Cancer

Lurking/Confounding variable