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.

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Compensation Analysis, Compensation Management, Compensation Strategy, Compensation and Benefits, Benefits Administration, Labor Compliance, Regulatory Compliance, Labor Law, Communication Planning, Communication Strategies, Benchmarking, Equities
★ 4.2 (10) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Reporting, Financial Statement Analysis, Business Valuation, Financial Statements, Financial Acumen, Financial Analysis, Forecasting, Financial Accounting, Financial Data, Analysis, Financial Forecasting, Financial Modeling, Generally Accepted Accounting Principles (GAAP), Revenue Forecasting, Cash Flow Forecasting, Business Metrics, Accruals
★ 4.6 (19) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Game Design, Post-Production, Image Quality, Model Optimization, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Programming Principles, Functional Design, Code Reusability, Algorithms, Data Structures, Data Mapping
★ 4.8 (21) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Frontend Integration, Back-End Web Development, Full-Stack Web Development, Server Side, Email Automation, Data Access, Apache Tomcat, Front-End Web Development, Application Servers, Java Programming, HTML and CSS, Databases, PostgreSQL, Relational Databases, Java, User Interface (UI), Web Design, Database Development
★ 4.6 (52) · Beginner · Specialization · 3 - 6 Months
Coursera
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Classification Algorithms, Applied Machine Learning, Java Programming, Machine Learning Algorithms, Algorithms, Machine Learning, Data Structures, Analysis, Software Engineering
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: AI Personalization, Personalized Campaigns, Generative AI, Data Ethics, Market Opportunities, Responsible AI, Marketing Effectiveness, Campaign Management, Content Creation, AI Integrations, Marketing Materials, Marketing Strategies, Strategic Marketing, Innovation, Ethical Standards And Conduct
★ 4.3 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Ubuntu, Operating System Administration, Linux Administration, Linux Commands, Operating Systems, Unix, Command-Line Interface, File Systems, Linux Servers, Unix Commands, Network Administration, Red Hat Enterprise Linux, Bash (Scripting Language), Application Deployment, Shell Script, IT Automation, Web Applications
★ 4.7 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Identity and Access Management, Verification And Validation, Cloud Deployment, IT Infrastructure, Multi-Tenant Cloud Environments, IT Automation, Code Reusability, Development Testing, Data Structures, Authentications, Data Security, Dependency Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Model Deployment, Big Data, Unstructured Data, MLOps (Machine Learning Operations), Tensorflow, Analytics, Data Pipelines, Model Training, Applied Machine Learning, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Jupyter, Model Evaluation, Natural Language Processing
★ 4.5 (31) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Workspace, Gmail, Lightweight Directory Access Protocols, Authorization (Computing), Active Directory, Enterprise Application Management, System Monitoring, User Provisioning, User Accounts, Event Monitoring, Email Security, Cloud Security, Endpoint Security, Mobile Security, Compliance Auditing, Data Security, Configuration Management, Incident Management, Application Deployment, Annual Reports
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: No-Code Development, Information Architecture, User Experience Design, Application Design, User Interface (UI), User Centered Design, Mobile Development, Database Development, Web Applications, Data Management, Data Architecture, Experience Design, UI/UX Research, Information Privacy, Mobile Development Tools, User Feedback, Functional Testing, Data Structures, Integration Testing, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks