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: Generative AI, Generative Model Architectures, OpenAI, Data Storytelling, Analytics, Prompt Engineering Tools, Dashboard Creation, AI literacy, Data Analysis, Interactive Data Visualization, Data Ethics, Responsible AI, Prompt Engineering, Data Synthesis, Python Programming, Data Processing, SQL, Query Languages
★ 4.6 (181) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Statistical Hypothesis Testing, Data-Driven Decision-Making, Descriptive Statistics, Correlation Analysis, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistics, Statistical Visualization, Statistical Analysis, Estimation, Data Collection, Data Visualization, Risk Analysis, Statistical Software, Statistical Programming, Statistical Methods, Problem Solving
★ 4.6 (45) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Matplotlib, Histogram, Plot (Graphics), Data Visualization, Seaborn, Scatter Plots, Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Statistical Visualization, Exploratory Data Analysis, Graphing, Python Programming
★ 4.6 (78) · Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Data Transformation, Engineering Management, Data-Driven Decision-Making, Computational Thinking, Exploratory Data Analysis, Capacity Planning, Capacity Management, Decision Making, Data Warehousing, Decision Intelligence, Data Strategy, Data Lakes, Complex Problem Solving, Design Thinking, Data Governance, Data Access, Data Literacy, Data Management, Organizational Effectiveness, Solution Design
Beginner · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Scientific Visualization, Data Literacy, Data Visualization Software, Animations, Data Presentation, Video Editing, Data Storytelling, Adobe After Effects, Graphics Software, Storyboarding, Adobe Premiere, Peer Review, Motion Graphics, Autodesk Maya, Post-Production, Computer Graphic Techniques, Technical Communication, Style Guides, Scripting, Professional Development
★ 4.7 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Professional Networking, Interviewing Skills, Data Analysis, Presentations, Relationship Building, Job Analysis, Writing, Portfolio Management, Oral Expression, Company, Product, and Service Knowledge, Market Opportunities
★ 4.7 (788) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Project Scoping, Business Priorities, Business Analysis, Stakeholder Engagement, Stakeholder Management, Business Solutions, Business, Data Science, Business Process, Data-Driven Decision-Making, Stakeholder Communications, Data Literacy, Scope Management
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, IBM Cognos Analytics, Extract, Transform, Load, Database Architecture and Administration, Data Visualization, Database Design, Dashboard Creation, Data Modeling, MySQL, Business Intelligence, Database Management, Data Architecture, Data Visualization Software, Data Pipelines, PostgreSQL, Shell Script, Data Transformation, Business Metrics
★ 4.8 (28) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: R (Software), Data Manipulation, Web Scraping, R Programming, Data Analysis, Data Science, Data Structures, Data Import/Export, Programming Principles, Jupyter, File I/O, Integrated Development Environments, Debugging
★ 4.5 (615) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media, Social Media Campaigns, Storytelling, Social Media Content, Social Media Management, Content Performance Analysis, Data-Driven Marketing, Social Media Analytics, Marketing Strategies, Content Creation, Marketing Planning, Digital Brand Strategy, Marketing, Driving engagement, Marketing Strategy and Techniques, Customer Analysis, Web Presence, Business Ethics
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Geospatial Information and Technology, Geospatial Mapping, Color Theory, Spatial Data Analysis, Tree Maps, Data Storytelling, Tableau Software, Data Mapping, Text Mining, Unstructured Data, Network Analysis, Graph Theory
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Integration, Apache Kafka, Systems Integration, Restful API, Data Infrastructure, Enterprise Security, Enterprise Architecture, Application Programming Interface (API), Relational Databases, Databases, Database Management, Real Time Data, Authentications
Beginner · Course · 1 - 4 Weeks