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⇱ Cluster Analysis and Unsupervised Machine Learning in Python | Coursera


Cluster Analysis and Unsupervised Machine Learning in Python

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Cluster Analysis and Unsupervised Machine Learning in Python

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Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Master key clustering techniques like K-Means, hierarchical clustering, and Gaussian Mixture Models.

  • Implement and evaluate clustering algorithms using Python, with hands-on exercises and real-world applications.

  • Understand the mathematical foundations of clustering and learn methods to optimize and assess models.

  • Explore practical applications in Natural Language Processing, Computer Vision, and data analysis.

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Assessments

10 assignments

Taught in English

There are 9 modules in this course

Updated in May 2025.

This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Master the art of unsupervised machine learning with this in-depth course on clustering techniques. Begin by understanding the fundamental concepts of unsupervised learning and how clustering is applied in real-world scenarios. You'll gain insights into key algorithms such as K-Means, hierarchical clustering, and Gaussian Mixture Models, while also learning practical implementation in Python. The course is structured to guide you through various clustering techniques, starting with K-Means clustering. Through a combination of theory, hands-on exercises, and visual walkthroughs, you'll learn how to implement these algorithms, evaluate their effectiveness, and overcome their limitations. Next, you'll dive into hierarchical clustering, exploring its applications in data visualization and real-world contexts, such as evolutionary studies and social media analysis. The final sections cover advanced techniques like Gaussian Mixture Models and Expectation-Maximization, alongside practical comparisons with other methods like K-Means. You'll also explore tools for setting up your environment, coding basics for beginners, and effective learning strategies to optimize your experience in machine learning. Designed for data enthusiasts, analysts, and aspiring machine learning practitioners, this course is ideal for learners with basic Python knowledge who want to deepen their expertise in clustering algorithms. Whether you're a beginner or looking to expand your machine learning toolkit, this course has something for everyone.

In this module, we will introduce you to the course on Cluster Analysis and Unsupervised Machine Learning in Python. You'll gain insight into the course objectives, an overview of the topics covered, and an exclusive bonus offer designed to enhance your learning experience.

What's included

3 videos1 reading

3 videosTotal 11 minutes
  • Introduction5 minutes
  • Course Outline5 minutes
  • Special Offer1 minute
1 readingTotal 10 minutes
  • Full Course Resource10 minutes

In this module, we will guide you on how to access the course code and supplementary resources. You'll ensure your environment is ready for practical learning and become acquainted with the tools you'll use throughout the course.

What's included

1 video1 assignment

1 videoTotal 5 minutes
  • Where to get the code5 minutes
1 assignmentTotal 15 minutes
  • Getting Set Up - Assessment15 minutes

In this module, we will delve into the foundations of unsupervised learning, exploring its applications and significance in various domains. You’ll learn why clustering is a powerful tool for identifying hidden patterns in data and its role in enhancing data-driven decisions.

What's included

2 videos1 assignment

2 videosTotal 15 minutes
  • What is unsupervised learning used for?6 minutes
  • Why Use Clustering?9 minutes
1 assignmentTotal 15 minutes
  • Unsupervised Learning - Assessment15 minutes

In this module, we will take a deep dive into K-Means clustering, starting with a beginner-friendly introduction and progressing to advanced coding exercises and theoretical insights. You’ll explore the algorithm’s functionality, practical applications, and visualization techniques. Additionally, we’ll address common pitfalls, evaluation methods, and real-world use cases in diverse fields like Natural Language Processing and Computer Vision.

What's included

23 videos1 assignment

23 videosTotal 152 minutes
  • An Easy Introduction to K-Means Clustering7 minutes
  • Hard K-Means: Exercise Prompt 19 minutes
  • Hard K-Means: Exercise 1 Solution11 minutes
  • Hard K-Means: Exercise Prompt 25 minutes
  • Hard K-Means: Exercise 2 Solution7 minutes
  • Hard K-Means: Exercise Prompt 37 minutes
  • Hard K-Means: Exercise 3 Solution16 minutes
  • Hard K-Means Objective: Theory13 minutes
  • Hard K-Means Objective: Code5 minutes
  • Visual Walkthrough of the K-Means Clustering Algorithm (Legacy)3 minutes
  • Soft K-Means6 minutes
  • The K-Means Objective Function2 minutes
  • Soft K-Means in Python Code10 minutes
  • How to Pace Yourself3 minutes
  • Visualizing Each Step of K-Means2 minutes
  • Examples of where K-Means can fail8 minutes
  • Disadvantages of K-Means Clustering2 minutes
  • How to Evaluate a Clustering (Purity, Davies-Bouldin Index)7 minutes
  • Using K-Means on Real Data: MNIST5 minutes
  • One Way to Choose K5 minutes
  • K-Means Application: Finding Clusters of Related Words9 minutes
  • Clustering for NLP and Computer Vision: Real-World Applications7 minutes
  • Suggestion Box3 minutes
1 assignmentTotal 15 minutes
  • K-Means Clustering - Assessment15 minutes

In this module, we will explore hierarchical clustering, focusing on the agglomerative approach. You'll gain a clear understanding of how this method works through visual walkthroughs and practical coding examples in Python. We’ll also delve into real-world applications, from evolutionary studies to analyzing social media data, and learn how to interpret dendrograms to reveal data insights.

What's included

5 videos1 assignment

5 videosTotal 43 minutes
  • Visual Walkthrough of Agglomerative Hierarchical Clustering3 minutes
  • Agglomerative Clustering Options4 minutes
  • Using Hierarchical Clustering in Python and Interpreting the Dendrogram5 minutes
  • Application: Evolution14 minutes
  • Application: Donald Trump vs. Hillary Clinton Tweets19 minutes
1 assignmentTotal 15 minutes
  • Hierarchical Clustering - Assessment15 minutes

In this module, we will dive deep into Gaussian Mixture Models (GMMs), a powerful unsupervised learning technique. You'll learn how the GMM algorithm works, implement it in Python, and tackle practical issues. We'll also explore the Expectation-Maximization algorithm in detail and compare GMM with K-Means and Bayes classifiers. Additionally, you'll discover how Kernel Density Estimation complements these methods in modeling complex data distributions.

What's included

10 videos1 assignment

10 videosTotal 97 minutes
  • Gaussian Mixture Model (GMM) Algorithm16 minutes
  • Write a Gaussian Mixture Model in Python Code19 minutes
  • Practical Issues with GMM9 minutes
  • Comparison between GMM and K-Means4 minutes
  • Kernel Density Estimation6 minutes
  • GMM vs Bayes Classifier (pt 1)9 minutes
  • GMM vs Bayes Classifier (pt 2)12 minutes
  • Expectation-Maximization (pt 1)12 minutes
  • Expectation-Maximization (pt 2)2 minutes
  • Expectation-Maximization (pt 3)8 minutes
1 assignmentTotal 15 minutes
  • Gaussian Mixture Models (GMMs) - Assessment15 minutes

In this module, we will focus on setting up your environment to ensure a smooth learning experience. You’ll check your system readiness, configure the Anaconda environment, and install critical Python libraries required for the course.

What's included

3 videos1 assignment

3 videosTotal 42 minutes
  • Pre-Installation Check4 minutes
  • Anaconda Environment Setup20 minutes
  • How to install Numpy, Scipy, Matplotlib, Pandas, and Tensorflow18 minutes
1 assignmentTotal 15 minutes
  • Setting Up Your Environment (Appendix) - Assessment15 minutes

In this module, we will support beginners with extra Python coding help. You’ll start with essential coding concepts, practice through guided examples, and understand the parallels between Jupyter Notebook and other environments. Additionally, you’ll receive an introduction to GitHub and tips to refine your coding skills.

What's included

4 videos1 assignment

4 videosTotal 49 minutes
  • How to Code Yourself (part 1)16 minutes
  • How to Code Yourself (part 2)9 minutes
  • Proof that using Jupyter Notebook is the same as not using it12 minutes
  • How to use Github & Extra Coding Tips (Optional)11 minutes
1 assignmentTotal 15 minutes
  • Extra Help With Python Coding for Beginners (Appendix) - Assessment15 minutes

In this module, we will provide effective strategies to enhance your learning experience. You'll receive comprehensive advice on succeeding in this course, determine its suitability based on your goals and expertise, and explore the optimal sequence of courses to follow. This guidance will help you tailor your learning approach for maximum impact.

What's included

4 videos3 assignments

4 videosTotal 60 minutes
  • How to Succeed in this Course (Long Version)10 minutes
  • Is this for Beginners or Experts? Academic or Practical? Fast or slow-paced?22 minutes
  • What order should I take your courses in? (part 1)11 minutes
  • What order should I take your courses in? (part 2)16 minutes
3 assignmentsTotal 90 minutes
  • Effective Learning Strategies for Machine Learning (Appendix) - Assessment15 minutes
  • Full Course Assessment60 minutes
  • Full Course Practice Assessment15 minutes

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Frequently asked questions

Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.

If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.

Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.

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