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.

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), AI Security, Fraud detection, Model Evaluation, Feature Engineering, Cybersecurity, Cyber Security Strategy, Reinforcement Learning, Model Optimization, Data Synthesis
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Public Administration, Automation, Digital Transformation, Technology Strategies, Fraud detection
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Product Demonstration, Web Content, Video Production, Marketing Materials, Graphic Design, Data Visualization, Content Creation, Shared Media, Video Editing, Web Design, Storytelling, Content Marketing
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Tools, Test Data, Test Automation, Test Execution Engine, Integrated Development Environments, Java
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Large Language Modeling, LLM Application, Prompt Patterns, Prompt Engineering, Microsoft Azure, OpenAI API, Retrieval-Augmented Generation, OpenAI, Model Deployment, Risk Management Framework, MLOps (Machine Learning Operations), Embeddings, Application Deployment, Python Programming
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Reporting, Critical Thinking, Financial Forecasting, Analytical Skills, Financial Data, Balance Sheet, Business Reporting, Financial Accounting, Accounting, Equities, Forecasting, Return On Investment, Income Statement, Annual Reports, Trend Analysis, Standard Accounting Practices, Business Valuation
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Web Applications, Web Development, Expense Reports, Back-End Web Development, Expense Management, Application Development, Database Application, Data Visualization, Business Process Automation, Chart.js, Data Modeling, Business Logic, Development Environment, Data Security, GitHub, Javascript, Project Documentation, Git (Version Control System)
Intermediate · Guided Project · Less Than 2 Hours

Advancing Women in Tech
Skills you'll gain: Goal Setting, Engineering Management, Smart Goals, Recruitment, Technical Management, Management Training And Development, Employee Retention, Talent Management, Leadership and Management, Talent Acquisition, Expectation Management, Team Performance Management, People Management, Team Leadership, Recruitment Strategies, Organizational Effectiveness, Software Engineering, Program Management, Cloud Engineering, Business Strategy
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Diagram Design, Data Import/Export, Collaborative Software, Technical Communication, Technical Documentation, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Seaborn, Plot (Graphics), Exploratory Data Analysis, Data Visualization Software, Statistical Visualization, Data Presentation, Data Storytelling, Scatter Plots, Color Theory
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Algorithms, Bayesian Statistics, Theoretical Computer Science, Network Model, Computational Thinking, Data Structures, Graph Theory, Network Analysis, Probability, Probability & Statistics
Mixed · Course · 1 - 3 Months