The importance of EDA: Anscombe's quartet

Statistical Thinking in Python (Part 2)

Justin Bois

Lecturer at the California Institute of Technology

Anscombe's quartet

ch1-3.002.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.004.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.006.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.008.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.010.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Look before you leap!

  • Do graphical EDA first
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.014.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.015.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.016.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Anscombe's quartet

ch1-3.017.png

1 Data: Anscombe, The American Statistician, 1973
Statistical Thinking in Python (Part 2)

Let's practice!

Statistical Thinking in Python (Part 2)

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