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.
University of Michigan
Skills you'll gain: Storytelling, Oral Expression, Persuasive Communication, Public Speaking, Non-Verbal Communication, Verbal Communication Skills, Ingenuity, Creative Thinking, Communication, Creativity, Optimism, Problem Solving, Communication Strategies, Resilience
★ 4.6 (96) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Infrastructure, Networking Hardware, Cybersecurity, Digital Communications
★ 4.7 (48) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Multimedia, Interactive Data Visualization, Data Visualization, Marketing Design, Visual Storytelling, Diagram Design, Brainstorming, Data Sharing, Visual Design, Color Theory, Drive Engagement, Design Elements And Principles, Graphic Design, Marketing, Communication
★ 4.7 (438) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Python Programming, Computer Programming, Data Science
Beginner · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Object Oriented Programming (OOP), C (Programming Language), Programming Principles, Computer Programming, Data Structures
★ 4.9 (827) · Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Performance Measurement, Capacity Management, Cost Accounting, Organizational Strategy, Performance Analysis, Operational Analysis, Financial Accounting, Cost Control, Budget Management, Strategic Decision-Making, Internal Controls, Account Strategy, Accounting, Financial Controls, Management Reporting, Financial Data, Budgeting, Decision Making
★ 3.9 (118) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Analytics, R Programming, Scripting, Google Sheets, Email Automation, Tidyverse (R Package), Predictive Modeling, Automation, Data Manipulation, Health Technology, GitHub, Gmail, Git (Version Control System), Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: SQL, Relational Databases, Microsoft Copilot, Database Management, Transaction Processing, Database Development, Query Languages, Database Design, Database Architecture and Administration, Secure Coding, Object-Relational Mapping, Performance Tuning, Data Integrity, Data Modeling, Data Security
★ 4.8 (18) · Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Computer Graphics, Visualization (Computer Graphics), Android Development, Computer Graphic Techniques, Android Studio, Virtual Reality, Animations, Color Theory, Linear Algebra
★ 4.2 (73) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Time Series Analysis and Forecasting, Natural Language Processing, Deep Learning, Model Training, Artificial Neural Networks, Forecasting, Applied Machine Learning
★ 2.3 (7) · Beginner · Course · 1 - 4 Weeks

Salesforce
Skills you'll gain: Overcoming Objections, Prospecting and Qualification, Lead Generation, Sales Development, Sales Prospecting, Cold Calling, Emotional Intelligence, Consultative Selling, Phone Sales, Selling Techniques, Sales, Sales Strategy, Closing (Sales), Rapport Building, Empathy, Cross-Channel Marketing, Active Listening, Persona Development
★ 4.8 (46) · Beginner · Course · 1 - 3 Months

University of Virginia Darden School Foundation
Skills you'll gain: Large Language Modeling, Customer Insights, Online Advertising, Digital Advertising, Keyword Research, LLM Application, Search Engine Marketing, AI Personalization, Content Marketing, Marketing Strategies, Google Ads, Digital Marketing Campaigns, Digital Marketing, Digital Brand Strategy, Generative AI, Data-Driven Marketing, Personalized Campaigns, Marketing Analytics, Consumer Behaviour, Brand Marketing
★ 4 (70) · Beginner · Course · 1 - 4 Weeks