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Which Of The Following Cannot Be Registered As A Trade Name?

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Regularization

Q1

You are training a classification model with logistic regression. Which of the following statements are true? Cheque all that utilize.

  • Adding many new features to the model makes it more than likely to overfit the preparation set.
  • Calculation a new feature to the model ever results in equal or improve functioning on examples not in the training set.
  • Introducing regularization to the model always results in equal or better functioning on examples not in the training set.
  • Introducing regularization to the model ever results in equal or better performance on the training set.
  • Adding a new feature to the model always results in equal or better performance on the preparation ready.

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Q3

Which of the following statements about regularization are true? Check all that apply.???

  • Consider a classification problem. Calculation regularization may crusade your classifier to incorrectly classify some training examples (which information technology had correctly classified when not using regularization, i.east. when 0λ=0).
  • Using too large a value of λ tin cause your hypothesis to overfit the data; this can exist avoided by reducing λ.
  • Using a very big value of λ cannot hurt the operation of your hypothesis; the just reason nosotros exercise not set λ to be too large is to avoid numerical issues.
  • Because logistic regression outputs values 0≤hθ(x)≤1, its range of output values can but be "shrunk" slightly by regularization anyhow, and then regularization is more often than not not helpful for it.
  • Using too large a value of λ tin can crusade your hypothesis to underfit the data.

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Source: https://github.com/gapself/ML-coursera/blob/master/quizes/week3_quiz2.md

Posted by: hughesconsel.blogspot.com

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