# Data Science & Analytics

### 18,895 learners

## Intro to Unsupervised Machine Learning

This advanced course explores unsupervised machine learning, emphasizing dimensionality reduction and clustering methods. Using the Iris dataset, you will apply different methods and interpret the practical implications of the clusters identified.

### Start learning

[See path](https://codesignal.com/learn/paths/journey-into-data-science-with-python)

- **8 lessons**  
- **37 practices**  
- **5 hours**

## Course details

### Unit 1  
- **6 practices**  
- **44 min**

- Exploring and Visualizing the Iris Dataset  
[Preview](https://codesignal.com/learn/courses/intro-to-unsupervised-machine-learning/lessons/exploring-and-visualizing-the-iris-dataset)  
- Analyzing the Iris Dataset  
- Exploring and Visualizing the Iris Dataset with Preprocessing and Pair Plot  
- Focusing on Specific Features in Violin Plots  
- Standardizing the Dataset with Missing Values  
- Creating Box Plot for Iris Dataset Features  
- Handling Missing Values and Standardization in Iris Dataset

### Unit 2  
- **5 practices**  
- **38 min**

### Unit 3  
- **6 practices**  
- **44 min**

### Unit 4  
- **5 practices**  
- **38 min**

### Unit 5  
- **5 practices**  
- **38 min**

### Unit 6  
- **5 practices**  
- **38 min**

### Unit 7  
- **5 practices**  
- **38 min**

### Unit 8  
- **0 practices**  
- **8 min**

[Previous Course](https://codesignal.com/learn/courses/introduction-to-supervised-machine-learning)

## From our community

Hear what our customers have to say about CodeSignal Learn

### Francisco Aguilar Meléndez  
  
**Data Scientist**  
"I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!"

### Faith Yim  
  
**Software Engineer**  
"I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need."

### Alex Bush  
  
**Full Stack Engineer**  
"It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing."

### Abbey Helterbran  
  
**Tech consultant**  
"I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific."

### Jonathan Miller  
  
**Senior Machine Learning Engineer**  
"I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured."

## Join the 1M+ learners on CodeSignal

Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal

### Start learning today!

**Intro to Unsupervised Machine Learning | CodeSignal Learn**