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: Grafana, Prometheus (Software), Amazon CloudWatch, System Monitoring, Kubernetes, Interactive Data Visualization, Software Visualization, Dashboard Creation, Linux Servers, MySQL, User Accounts, Linux Administration, Role-Based Access Control (RBAC), GitHub, Systems Integration, Software Installation, Query Languages
Intermediate · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Power BI, Data-Driven Decision-Making, Data Analysis, Extract, Transform, Load, Business Intelligence, Data Collection, Data Transformation
★ 4.4 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Presentations, Data Visualization, Data Visualization Software, Interactive Data Visualization, Driving engagement, Productivity Software, Business Process
★ 4.3 (44) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Business Logic, Data Processing, Java, File Management, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Scalability, Data Transformation, Software Documentation, Software Installation, File Systems
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Dashboard Creation, Interactive Data Visualization, Data Visualization, Infographics, Data Visualization Software, Data Ethics, Storytelling, Report Writing, Data-Driven Decision-Making, Generative AI, Web Content Accessibility Guidelines, Responsible AI, AI Integrations
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Health Care, Medical Records, Health Information Management, Health Systems, Clinical Informatics, Electronic Medical Record System, Databases, Health Technology, Informatics, Healthcare Industry Knowledge, Clinical Data Management, Data Analysis, Data Quality, Interoperability, Big Data, Data Access, Query Languages, Data Integration, Data Science
★ 4.6 (234) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Seaborn, NumPy, Matplotlib, Data Transformation, Data Manipulation, Data Visualization Software, Pandas (Python Package), Plot (Graphics), Data Visualization, Jupyter, Scatter Plots, Data Science, Data Processing, Data Analysis, Box Plots, Python Programming, Graphing, Computer Programming, Computer Programming Tools, Software Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Star Schema, Data Modeling, Data Architecture, Database Design, Data Lakes, Data Warehousing, Database Architecture and Administration, Enterprise Modeling, SQL, Data Pipelines, Diagram Design, Database Theory, Business Logic, Data Integrity, Semantic Web, Data Storage, Business Metrics, Dimensionality Reduction, Resource Utilization, Issue Tracking
Advanced · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Warehousing, Data Quality, Data Cleansing, Performance Tuning, Data Validation, Scalability, System Monitoring, Event Monitoring, Serverless Computing
★ 4.5 (1.7K) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Supply Chain Planning, Demand Planning, Customer Demand Planning, Inventory Control, Inventory Management, Supply Chain Management, Supply Chain, Capacity Planning, Inventory and Warehousing, Materials Management, Process Optimization, Resource Utilization, Forecasting, Operations Management, Material Requirements Planning, Resource Planning, Resource Allocation, Capacity Management, Microsoft Excel, Performance Measurement
★ 4.6 (576) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Excel Formulas, Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Analysis, Data Synthesis, Data Transformation, Data Cleansing, Data Manipulation, Data Management
★ 4.7 (343) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
★ 4.7 (59) · Beginner · Course · 1 - 4 Weeks