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.

Skills you'll gain: Statistical Inference, Regression Analysis, Logistic Regression, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Predictive Modeling, Model Evaluation, Statistical Hypothesis Testing, Probability Distribution, Probability
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Software Design Patterns, Object Oriented Programming (OOP), C (Programming Language), Debugging, Algorithms, Graph Theory, Artificial Intelligence, Data Structures, Game Design
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, OAuth, Responsive Web Design, Prototyping, Animation and Game Design, Apple Xcode, Human Computer Interaction, UI/UX Strategy, Usability Testing
Beginner · Specialization · 3 - 6 Months

University of Copenhagen
Skills you'll gain: Research, Record Keeping, Data Collection, Document Management, Information Management, Intellectual Property
Mixed · Course · 1 - 4 Weeks

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

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

University of Colorado Boulder
Skills you'll gain: Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Statistical Machine Learning, Machine Learning, Regression Analysis, Supervised Learning, Data Science, Decision Tree Learning, Statistical Analysis, Classification Algorithms, Predictive Modeling, Artificial Neural Networks, Data Processing, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Probability, Probability Distribution, Statistics, Data Literacy, Logical Reasoning, Critical Thinking, Learning Strategies
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Application Deployment, Cloud Applications, Kubernetes, Load Balancing, Cloud Management, Microservices, Infrastructure As A Service (IaaS), Cloud Security, CI/CD, Cloud Computing, Cloud Computing Architecture, Network Architecture, Data Storage, Platform As A Service (PaaS), Site Reliability Engineering, Service Level Agreement, Cloud Storage
Intermediate · Specialization · 3 - 6 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

DeepLearning.AI
Skills you'll gain: Database Design, Software Design Patterns, OpenAI API, Application Design, Database Management, AI Enablement, Software Architecture, System Design and Implementation, Software Development, Query Languages, Secure Coding, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Discussion Facilitation, Business Ethics, Regulatory Compliance, Artificial Intelligence, Case Studies, AI Workflows, Governance, Predictive Modeling
Beginner · Course · 1 - 3 Months