Machine Learning Quiz

What are the two main categories of machine learning models?

• Supervised and Unsupervised

• Linear and Non-linear

• Simple and Complex

• Fast and Slow

What is an example of a supervised learning model?

• K-means clustering

• Decision tree

• PCA

• Dimensionality reduction

In supervised learning, what does the output of a regression model represent?

• A category

• A continuous value

• A random variable

• A score

What does a decision tree model use to make predictions?

• Nodes

• Lines

• Curves

• Tables

What type of model is a neural network inspired by?

• Weather patterns

• Human minds

• Animal behaviors

• Computer algorithms

Which of the following is NOT a type of classification model?

• Logistic regression

• Support vector machine

• Random forest

• Linear regression

What is the purpose of clustering in unsupervised learning?

• To predict future outcomes

• To find patterns in data

• To create continuous outputs

• To reduce dimensions

What is PCA an abbreviation for?

• Primary Component Analysis

• Principal Component Analysis

• Predictive Component Analysis

• Probability Component Analysis

What do we call the process of reducing the number of features in data?

• Data mining

• Clustering

• Dimensionality reduction

• Supervised learning

What is the main goal of unsupervised learning?

• To find labeled outcomes

• To learn from examples

• To draw inferences from data

• To predict specific values