Machine Learning Lecture #7: Classification Rules

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Questions and Answers

In the context of machine learning, what is the process called when the classes to which the objects belong are known?

  • Simple linear regression
  • Bivariate relationship
  • Unsupervised learning
  • Supervised learning (correct)

What is the goal of determining the decision boundary in machine learning classification?

  • To make it as simple as possible (correct)
  • To make it dependent on unsupervised learning
  • To make it dependent on bivariate relationships
  • To make it as complex as possible

What is the process of using data to determine the best features for a classifier known as?

  • Bivariate relationship analysis
  • Simple linear regression
  • Unsupervised learning
  • Training the classifier (correct)

What do we call the relationship between two random variables, with one variable being the independent variable and the other being the dependent variable?

<p>Bivariate relationship (C)</p>
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When trying to predict one variable using another variable, what is the variable being predicted known as?

<p>Dependent variable (A)</p>
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Classification is the stage that assigns objects to certain ______

<p>categories</p>
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The decision boundary in classification should be as ______ as possible

<p>simple</p>
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When the classes to which the objects belong are known, the process is called ______ learning

<p>supervised</p>
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The process of using data to determine the best features for a classifier is known as training the ______

<p>classifier</p>
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The relationship between two random variables, with one variable being the independent variable and the other being the dependent variable, is known as a ______ relationship

<p>bivariate</p>
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What is the difference between supervised learning and unsupervised learning in machine learning classification?

<p>Supervised learning involves known classes to which the objects belong, while unsupervised learning deals with unknown classes and aims to find the most appropriate classes.</p>
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What is the process of determining the best features for a classifier known as in the context of machine learning?

<p>The process of using data to determine the best features for a classifier is known as training the classifier.</p>
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Define the bivariate relationship in the context of two random variables.

<p>The relationship between two random variables is known as a bivariate relationship. The known variable (or variables) is called the independent variable(s), and the variable being predicted is the dependent variable.</p>
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Provide an example of a bivariate relationship in a medical context.

<p>A medical researcher may be interested in the bivariate relationship between a patient’s blood pressure (independent variable) and heart rate (dependent variable).</p>
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What is the goal of the decision boundary in machine learning classification?

<p>The decision boundary should be as simple as possible.</p>
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