Evaluating models

Practicing Statistics Interview Questions in Python

Conor Dewey

Data Scientist, Squarespace

Regression techniques

  • R-squared
  • Mean absolute error (MAE)
  • Mean squared error (MSE)
Practicing Statistics Interview Questions in Python

R-squared

Sum of errors formula

1 Wikimedia
Practicing Statistics Interview Questions in Python

MAE vs. MSE

  MSE vs. MAR penalty functions

1 Wikimedia
Practicing Statistics Interview Questions in Python

MAE vs. MSE

  Potential interview question

1 120 Data Science Interview Questions
Practicing Statistics Interview Questions in Python

Classification techniques

  • Precision
  • Recall
  • Confusion matrices
Practicing Statistics Interview Questions in Python

Precision

 

Precision formula

Practicing Statistics Interview Questions in Python

Recall

 

Recall formula

Practicing Statistics Interview Questions in Python

Confusion matrix

  Confusion matrix

1 AB Tasty
Practicing Statistics Interview Questions in Python

Confusion matrix

  False positive

1 AB Tasty
Practicing Statistics Interview Questions in Python

Confusion matrix

  False negative

1 AB Tasty
Practicing Statistics Interview Questions in Python

Summary

  • R-squared
  • Mean absolute error (MAE) vs. mean squared error (MSE)
  • Precision and recall
Practicing Statistics Interview Questions in Python

Let's prepare for the interview!

Practicing Statistics Interview Questions in Python

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