Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Materials science, Analytical Testing, Engineering, Scientific, and Technical Instruments, electromagnetics, Scientific Visualization, Laboratory Equipment, Chemistry, Electronics, Physics, Image Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks

Intel
Skills you'll gain: Artificial Intelligence, AI Enablement, Discussion Facilitation, Company, Product, and Service Knowledge, Responsible AI, Machine Learning, Data Analysis, Business Research, B2B Sales
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Responsible AI, Generative AI Agents, Data Storytelling, Model Deployment, Data Presentation, AI Workflows, Decision Support Systems, Strategic Decision-Making, Data-Driven Decision-Making, Business Intelligence, Decision Making, Business Analytics, MLOps (Machine Learning Operations), Agentic systems, Forecasting, Predictive Analytics, Scikit Learn (Machine Learning Library), Machine Learning, Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months

EC-Council
Skills you'll gain: Digital Forensics, Malware Protection, Cybersecurity, Cyber Attacks, Threat Detection, Data Integrity, Data Storage, Network Analysis, Microsoft Windows, Mac OS, Linux, Web Applications, File Systems
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), System Programming, Embedded Software, Software Testing, Embedded Systems, Linux, Agile Software Development, Docker (Software), Git (Version Control System), File I/O, Linux Commands, Linux Servers, Linux Administration, Operating Systems, Bash (Scripting Language), Shell Script, C++ (Programming Language), Debugging, Internet Of Things
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Network Analysis, Computational Thinking, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks
Universitat Autònoma de Barcelona
Skills you'll gain: 3D Modeling, Video Game Development, Game Design, Unity Engine, 3D Assets, Peer Review, User Interface (UI) Design, Computer Graphics, Animations, User Interface and User Experience (UI/UX) Design, Visualization (Computer Graphics), Software Design Documents, Conceptual Design, Design, User Interface (UI), Experience Design, Music, Animation and Game Design, Usability, Persona (User Experience)
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Retrieval-Augmented Generation, Large Language Modeling, Hugging Face, MLOps (Machine Learning Operations), OpenAI, Prompt Engineering, Model Deployment, AWS SageMaker, Extract, Transform, Load, Embeddings, Data Pipelines, CI/CD, Vector Databases, Model Evaluation
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Exploratory Data Analysis, Pandas (Python Package), Data Analysis, Data Visualization Software, Data Science, Python Programming, Software Installation, Data Manipulation, Scripting, Package and Software Management, Development Environment, Virtual Environment
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering Tools, OpenAI API, Microsoft Copilot, AI Enablement, Generative AI, Software Development Tools, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Artificial Neural Networks, Deep Learning, Keras (Neural Network Library), Recurrent Neural Networks (RNNs), Classification Algorithms, Image Analysis, Convolutional Neural Networks, Supervised Learning, Machine Learning Algorithms, Machine Learning, Model Evaluation, NumPy, Regression Analysis
Intermediate · Course · 1 - 3 Months