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: Agile Product Development, Agile Methodology, Security Management, Cyber Security Assessment, Audit Planning, Cyber Risk, Performance Metric, Business Ethics, Law, Regulation, and Compliance, Risk Management
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Event-Driven Programming, Debugging, Visual Basic (Programming Language), Business Process Automation, Microsoft Excel, Data Transformation, Data Cleansing, Excel Formulas, Data Wrangling, Data Import/Export, Automation, Microsoft 365, Spreadsheet Software, Microsoft Office, Computer Programming, Data Science, Performance Improvement, Query Languages, File Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Data Presentation, Interactive Data Visualization, Data Storytelling, Predictive Modeling, Data Visualization Software, Dashboard Creation, Data Synthesis, Spreadsheet Software, Microsoft Copilot, Excel Formulas, Data Analysis, Data-Driven Decision-Making, Forecasting, Prompt Engineering, Data Manipulation, Data Transformation
★ 4.9 (21) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Health Informatics, Data Analysis, Clinical Informatics, Patient-centered Care, Analytics, Descriptive Analytics, Data Literacy, Data-Driven Decision-Making, Analytical Skills, Decision Intelligence, Statistical Methods, Statistics
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Web Analytics and SEO, AI Personalization, Document Management, Semantic Web, Vector Databases, Algorithms, Model Evaluation, Text Mining, Natural Language Processing, User Research, Business Modeling, Statistical Methods
★ 5 (8) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Data Visualization, Cloud Applications, Performance Tuning, Dashboard Creation, R (Software), Web Applications, Application Development, Frontend Performance, R Programming, Event-Driven Programming, Dashboard, Exploratory Data Analysis, Driving engagement, UI Components, User Interface (UI) Design, Data Analysis, File I/O
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: SQL, Transaction Processing, Query Languages, Database Management, Data Manipulation, Data Security, Security Controls, Database Architecture and Administration, Security Management, Data Transformation, Data Access, Data Integrity, Authorization (Computing), Data Dictionary
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Data Visualization, Data Storytelling, Data Presentation, Interactive Data Visualization, Statistical Visualization, Power BI, Data Visualization Software, Presentations, Business Intelligence, Data Analysis Expressions (DAX), Market Data, Market Analysis, Storytelling, Report Writing, Target Audience, Data Integration, Data Validation, Usability Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: C# (Programming Language), .NET Framework, JSON, ASP.NET, Application Deployment, Maintainability, File I/O, Data Persistence, Application Frameworks, Application Development, Object-Relational Mapping, Database Application, SQL, Extensible Languages and XML, Extensible Markup Language (XML), Programming Principles, Back-End Web Development, Object Oriented Programming (OOP), Object Oriented Design, Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Data Visualization, Dashboard Creation, Spreadsheet Software, Excel Formulas, Stakeholder Communications, Project Coordination, Project Management, Technical Communication, Operational Efficiency, Project Planning, Prioritization, Data-Driven Decision-Making, Scheduling, Decision Making, Performance Analysis, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Analytical Skills, Tableau Software, Dashboard Creation, Data Visualization Software, Interactive Data Visualization, Data Analysis, Analytics, Data Wrangling, Descriptive Analytics, Data Transformation, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Web Analytics, Data-Driven Marketing, Digital Marketing Campaigns, Campaign Management, Data-Driven Decision-Making, Marketing Effectiveness, Marketing Analytics, Digital Marketing, Return On Investment, Social Media Analytics, Advertising Campaigns, Data Ethics, Marketing Strategies, Social Media Marketing, Digital Advertising, Marketing Automation, Digital Marketing Tools, Conversion Funnel Analysis, Social Media, Analytics
Intermediate · Course · 1 - 3 Months