All Machine Learning Models Explained in 6 Minutes
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Questions and Answers

What is the main focus of this article?

  • Explaining the theory behind machine learning models
  • Describing common machine learning models used in practice (correct)
  • Discussing the history of machine learning
  • Demonstrating how to build and improve machine learning models

How are all machine learning models categorized?

  • Linear or non-linear
  • Continuous or discontinuous
  • Regression or classification
  • Supervised or unsupervised (correct)

What does supervised learning involve?

  • Learning a function based on input-output pairs (correct)
  • Learning without example input-output pairs
  • Learning without any supervision
  • Learning based on unsupervised data

In which category does regression model fall under?

<p>Supervised learning (C)</p> Signup and view all the answers

What type of output do regression models have?

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

What is the goal of regression models?

<p>Predicting continuous values (D)</p> Signup and view all the answers

"If the model is a supervised model, it’s then sub-categorized as either a regression or classification model." - What does this statement imply?

<p>&quot;Regression&quot; and &quot;classification&quot; are the only two sub-categories of supervised learning models (C)</p> Signup and view all the answers

"Fundamental Segmentation of Machine Learning Models." - What is the fundamental segmentation mentioned in the text?

<p>&quot;Categorization based on supervision levels&quot; (D)</p> Signup and view all the answers

What is the primary focus of supervised learning?

<p>Learning to predict continuous values from input-output pairs (D)</p> Signup and view all the answers

Which category does the majority of common machine learning models fall under?

<p>Supervised learning model (A)</p> Signup and view all the answers

What is the main purpose of a random forest model?

<p>To reduce the risk of error from an individual tree (B)</p> Signup and view all the answers

Which model involves finding a hyperplane that maximizes the margin between two classes of data?

<p>Support vector machine (D)</p> Signup and view all the answers

What does logistic regression model the probability of?

<p>A finite number of outcomes (C)</p> Signup and view all the answers

What is the main difference between unsupervised and supervised learning?

<p>The presence of labeled outcomes (D)</p> Signup and view all the answers

Which technique involves the process of reducing the number of random variables under consideration?

<p>Dimensionality reduction (D)</p> Signup and view all the answers

What is the main purpose of principal component analysis (PCA)?

<p>To create a smaller feature set without losing any original variables (D)</p> Signup and view all the answers

Which model is used to answer the question 'What is the probability of y given X'?

<p>Naive Bayes (B)</p> Signup and view all the answers

In which model does each node in the hidden layers represent both a linear function and an activation function?

<p>Neural network (D)</p> Signup and view all the answers

Which type of regression is used to model probabilities of outcomes?

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

What is the purpose of decision trees?

<p>To find a line that best fits the data (C)</p> Signup and view all the answers

What technique is used for customer segmentation, fraud detection, and document classification?

<p>K-means clustering (B)</p> Signup and view all the answers

Where can one learn more about linear regression?

<p>In a previous article by the author (C)</p> Signup and view all the answers

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