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.

Coursera
Skills you'll gain: Personalized Campaigns, Public Relations, Content Creation, Marketing and Public Relations, Responsible AI, AI Personalization, Crisis Management, Prompt Engineering, Team Leadership
★ 3.9 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Data Cleansing, Data Visualization, Data Preprocessing, Logistic Regression, Model Training, Predictive Modeling, Statistical Machine Learning, Applied Machine Learning, Data Processing, Scikit Learn (Machine Learning Library), Supervised Learning, Machine Learning, Machine Learning Methods, Model Evaluation, Classification Algorithms, Data Science, Python Programming
★ 4.8 (19) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Application Development, File Systems, Maintainability, Computer Programming, Data Store, Software Design, Development Environment, Program Development, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
★ 4.7 (228) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computational Thinking, Programming Principles, Computer Programming, C++ (Programming Language), Theoretical Computer Science, Software Engineering, Geometry, Performance Tuning, Computational Logic, Solution Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Context Protocol, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Generative AI Agents, AI Orchestration, Multimodal Prompts, Agentic Workflows, Embeddings, JSON, Tool Calling, Large Language Modeling, Agentic systems, Vector Databases, Unstructured Data, System Testing
★ 4.4 (14) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Code Reusability, Software Development, Object Oriented Design, Development Environment, Integrated Development Environments, Computer Programming, Software Engineering, Programming Principles, Software Design, Computational Logic
★ 4.4 (397) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Responsible AI, Generative AI, Data Ethics, AI Product Strategy, AI Enablement, Artificial Intelligence, Risk Analysis, Hybrid Cloud Computing, Business Leadership, Risk Mitigation, Strategic Thinking, Data Management, Law, Regulation, and Compliance, Data Strategy, AI literacy, Brainstorming, Cloud Infrastructure, Return On Investment
★ 4.6 (717) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Data Visualization, Logistic Regression, Feature Engineering, Statistical Visualization, Data Processing, Data Cleansing, Data Wrangling, People Analytics, Predictive Modeling, Scikit Learn (Machine Learning Library), Data Science, Applied Machine Learning, Model Training, Statistical Modeling, Statistical Machine Learning, Regression Analysis, Supervised Learning, Model Evaluation, Machine Learning
★ 4.5 (15) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Hedge Accounting, Portfolio Risk, Performance Measurement, Performance Metric, Performance Analysis, Investment Management, Portfolio Management, Risk Analysis, Finance, Quantitative Research, Benchmarking, Compensation Management, Time Series Analysis and Forecasting, Statistical Methods, Statistical Analysis, Advanced Analytics
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Test Tools, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Script Development, Systems Development Life Cycle, Test Data, Technical Communication
★ 4.3 (830) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Data Preprocessing, MLOps (Machine Learning Operations), Model Evaluation, AI Product Strategy, Product Management, Model Training, Product Lifecycle Management, Machine Learning Algorithms, Model Optimization, Applied Machine Learning, Decision Intelligence, Data Processing, Technical Product Management, Feature Engineering, Project Management, Machine Learning Methods, Machine Learning, Technical Management, Data Transformation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Machine Controls, Electrical and Computer Engineering, Control Systems, Embedded Software, Laboratory Experience, Electronic Systems, Embedded Systems, Power Electronics, Electronic Hardware, Electrical Equipment, Hardware Design, Electrical Engineering, Electrical Systems, Electronics, Electronic Components, Torque (Physics), Design Specifications
★ 4.7 (1.4K) · Intermediate · Course · 1 - 3 Months