06. Weighting the Models 2

MLND SL EM 06 Weighting The Models MAIN V2

INSTRUCTOR NOTE:

NOTE: At 1:39, the audio should say "1 minus x", not "1 over x".

Additional Resources on Boosting

  1. The original paper - A link to the original paper on boosting by Yoav Freund and Robert E. Schapire.

  2. An explanation about why boosting is so important - A great article on boosting by a Kaggle master, Ben Gorman.

  3. A useful Quora post - A number of useful explanations about boosting.

Weight quiz 1

QUESTION:

Calculate the weight of the first model, with 2 significant digits.

SOLUTION:

NOTE: The solutions are expressed in RegEx pattern. Udacity uses these patterns to check the given answer

Weight quiz 2

QUESTION:

Calculate the weight of the second model.

SOLUTION:

NOTE: The solutions are expressed in RegEx pattern. Udacity uses these patterns to check the given answer

Weight quiz 3

QUESTION:

Calculate the weight of the third model, with 2 significant digits.

SOLUTION:

NOTE: The solutions are expressed in RegEx pattern. Udacity uses these patterns to check the given answer

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