beginner

Introduction to Data Science with Python

Master data science fundamentals. Learn statistics, exploration, and visualization to turn raw data into valuable insights. Build confidence for data-driven problems and advanced analytics. Your journey to understanding data starts here!

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3,926 learners

Verified skills you'll gain

DEVELOPING

Coding and Data Algorithms

DEVELOPING

Data Cleaning and Preprocessing

DEVELOPING

Data Visualization and Reporting

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Course 2

Data Loading & Exploration with Pandas

11 lessons

Learn to load datasets into Pandas DataFrames and use powerful inspection tools to understand their structure, content, and basic patterns.

Course 3

Data Cleaning & Preprocessing

12 lessons

Transform messy data into a clean, analysis-ready format. This course focuses on the essential techniques for handling missing values, duplicates, and data type issues.

Course 4

Data Transformation & Manipulation

12 lessons

Master essential Pandas operations to filter, sort, and group data. This course focuses on reshaping your data to answer specific analytical questions.

Course 5

Data Visualization with Matplotlib

13 lessons

Create compelling charts to reveal patterns in your data. This course covers fundamental plot types and how to customize them for clarity and impact.

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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.

Faith Yim

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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.

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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.

Abbey Helterbran

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Jonathan Miller

Senior Machine Learning Engineer

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

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.

Faith Yim

Software Engineer

+14

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.

Alex Bush

Full Stack Engineer

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.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11