CSCI417 Machine Intelligence Lecture #3
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Questions and Answers

Which of the following topics is related to classifying with probability theory?

  • Introduction to Neural Networks - Building NN for classification (binary/multiclass)
  • Logistic regression (correct)
  • Support vector machines
  • Ensemble learning and improving classification with the AdaBoost meta-algorithm

For a woman who works at an office, which app is recommended?

  • Pokemon Go
  • Snapchat
  • Work
  • WhatsApp (correct)

Between Gender and Occupation, which one seems more decisive for predicting what app the users will download?

  • Occupation (correct)
  • Both are equally decisive
  • Gender
  • Neither Gender nor Occupation is decisive

Between a horizontal and a vertical line, which one is more likely to cut the data better?

<p>Vertical line (B)</p> Signup and view all the answers

In the given dataset, which split is likely to separate the data points into two distinct groups based on the feature X2?

<p>Split 1 (B)</p> Signup and view all the answers

In non-parametric estimation, what does it mean for a model to be non-parametric?

<p>The number of parameters is not fixed and can grow depending on the size of the data (C)</p> Signup and view all the answers

What does a decision tree implement?

<p>A hierarchical data structure implementing the divide-and-conquer strategy (C)</p> Signup and view all the answers

What method does the ID3 algorithm use for selecting the best attribute?

<p>Choosing the attribute that has the largest expected information gain (D)</p> Signup and view all the answers

In decision tree learning, when should you use a decision tree?

<p>At any scenario where learning data has attribute value pairs (C)</p> Signup and view all the answers

What is a common way to measure impurity in decision tree learning?

<p>Minimizing entropy (D)</p> Signup and view all the answers
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