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: Portfolio Management, Plotly, Data Visualization, Portfolio Risk, Interactive Data Visualization, Investment Management, Exploratory Data Analysis, Plot (Graphics), Return On Investment, Financial Modeling, Financial Analysis, Statistical Analysis, Financial Data, Risk Modeling, Market Data, Finance, Equities, Data Analysis, Python Programming, Data Preprocessing
Beginner · Guided Project · Less Than 2 Hours

Howard University
Skills you'll gain: Spreadsheet Software, Data Modeling, Microsoft Excel, Mathematical Modeling, Excel Formulas, Business Modeling, Business Analysis, Operations Research, Business Process, Financial Modeling, Investment Management, Process Optimization, Applied Mathematics, Data-Driven Decision-Making, Business Strategy, Revenue Management, Trend Analysis, Resource Allocation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Graphic and Visual Design Software, Graphics Software, Graphical Tools, Graphic Design, Digital Publishing, Design, User Accounts, Design Software, Data Sharing, Layout Design, Content Creation, File Management, Editing, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Keyword Research, Content Performance Analysis, Search Engine Optimization, AI Personalization, Campaign Planning, Scheduling, Search Engine Marketing, Web Analytics, Generative Engine Optimization (GEO), Email Automation, Strategic Marketing, Customer Analysis, Campaign Management, Digital Marketing, Content Strategy, Generative AI Agents, Market Intelligence, Performance Analysis, Marketing Design, Strategic Partnership
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: File Transfer Protocol (FTP), Transaction Processing, Verification And Validation, Integration Testing, Data Integration, Data Mapping, Data Validation, Development Testing, Middleware, Systems Integration, Data Access, Code Reusability, Database Management Systems, Process Modeling, Databases, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Data Storytelling, Dashboard, Market Data, Data-Driven Decision-Making, Tableau Software, Data Presentation, Financial Market, Interactive Data Visualization, Financial Data, Financial Analysis, Storytelling, Business Intelligence, Data Analysis, Data Visualization, Data Visualization Software, Analytics, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Process Automation, IT Automation, Data Presentation, Code Reusability, C# (Programming Language), Data Capture, File I/O, Programming Principles, Scalability
Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Application Development, Scripting, MySQL, Data Structures, File I/O, Python Programming, Web Development, Database Management, Web Applications, SQL, File Management, Programming Principles
Beginner · Course · 1 - 3 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Electronic Hardware, Process Engineering, Manufacturing Processes, Production Process, Electronic Components, Chemical Engineering, Materials science, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Routing Protocols, Code Reusability, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, Authentications, Data Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, HR Tech, Recruitment, Employee Engagement, Generative AI, Data Ethics, Human Resource Management, Human Resources, Talent Recruitment, AI Personalization, Recruitment Strategies, Employee Performance Management, Business Ethics, AI Integrations
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Video Game Development, Game Design, Program Development, Web Development Tools, Software Development, Software Development Tools, Computer Programming Tools, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Integrated Development Environments, Maintainability, Programming Principles, Data Structures, Code Reusability, Software Design, Computer Programming, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks