Epicycles of Analysis

schifferl
2017-10-11

Matsui, E. & Peng, R. D. The Art of Data Science. (Leanpub, 2015).

Topic overview

  • General introduction
  • 5 core activities of data analysis
  • Epicycles within each core activity
  • ATM example
  • Practical example

General introduction


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5 core activities of data analysis

  1. Stating and refining the question
  2. Exploring the data
  3. Building formal statistical models
  4. Interpreting the results
  5. Communicating the results

Epicycles within each core activity

  1. Set expectations
  2. Test expectations
  3. Revise expectations

ATM example


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Practical example

  1. Stating and refining the question

    How has educational attainment changed in the united states since 1950?

  2. Exploring the data

    Check that recent population estimates are ~ 330M!

  3. Building formal statistical models

    Make a plot of education over time / make a statistical models!

  4. Interpreting the results

    State the rate of increase or decrease explicitly…

  5. Communicating the results

    Present results in a way that people can understand…

https://rpubs.com/schifferl/lsbeda