Regression Tree Learning in Machine Learning
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Questions and Answers

What term describes the situation when a model performs well on training data but poorly on new test data?

  • Overfitting (correct)
  • Generalizing
  • Converging
  • Underfitting

In machine learning, what is the term used to describe the process of estimating the output for new data points based on known training data?

  • Interpolating
  • Spanning
  • Predicting (correct)
  • Generalizing

Which machine learning method will be introduced first in the text?

  • Support Vector Machines (SVM)
  • K-Nearest Neighbors (k-NN) (correct)
  • Decision Trees
  • Linear Regression

What does the k-Nearest Neighbors (k-NN) method rely on for making predictions?

<p>Training Data Points (A)</p> Signup and view all the answers

When a model is described as 'generalizing,' what characteristic does it possess?

<p>It performs well on new test data. (C)</p> Signup and view all the answers

What issue arises when a model is unable to generalize beyond the training data?

<p>Underfitting (A)</p> Signup and view all the answers

What outcome results from a model that is overfitting to the training data?

<p>Poor performance on new test data points (C)</p> Signup and view all the answers

What is the primary challenge with a model that overfits the training data?

<p>'Generalizing' beyond training data (A)</p> Signup and view all the answers

What does it mean when a model 'overfits' to the training data?

<p>'Fitting' training data too closely (B)</p> Signup and view all the answers

'Overfitting' in machine learning is often associated with which of the following?

<p>'High variance' and memorization of training examples (D)</p> Signup and view all the answers

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