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: Data Analysis Expressions (DAX), Power BI, Business Requirements, Financial Data, Data Modeling, Financial Analysis, Data Visualization Software, Time Series Analysis and Forecasting, Data Visualization, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

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

Northeastern University
Skills you'll gain: Data Governance, Data Warehousing, Extract, Transform, Load, Data Integration, Cloud Development, Data Quality, Cloud Engineering, Cloud-Based Integration, Data Infrastructure, Data Management, Cloud-Native Computing, Data Architecture, Data Pipelines, Data Processing, Process Design, DevOps, Data Store, Business Process Modeling, Cloud Deployment, Dataflow
Mixed · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Data Transformation, Data Integration, Pivot Tables And Charts, Data Maintenance, Data Visualization Software, Data Wrangling, Relational Databases, Data Management, Advanced Analytics, Data Manipulation, Data Analysis, Analytics, Data Cleansing, Data Quality, Data Import/Export, Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Integrity, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Dashboard, Data Storytelling, Health Information Management, Data Cleansing, Health Informatics, Data Governance, Clinical Data Management, Data Mapping, Patient Safety, Data Visualization, Database Design, Health Care Procedure and Regulation, Data Security, Data Analysis, Data Validation, Data Transformation, Excel Formulas, Statistical Analysis
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: SQL, Database Architecture and Administration, Transaction Processing, Database Application, Database Management, Data Access, Relational Databases, Database Development, Data Manipulation, Database Administration, Database Theory, Databases, Data Transformation, Database Management Systems, Data Security, Identity and Access Management, Data Management, Data Integrity, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Big Data, Data Infrastructure, File Systems, Data Processing, Data Storage, Java, Systems Administration, Distributed Computing, File I/O, System Configuration, File Management, Metadata Management, Computing Platforms, Linux Commands
Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Macros, Excel Formulas, Spreadsheet Software, Workflow Management, Business Process Automation, Productivity Software, Data Analysis, Automation, Analysis, Operational Efficiency, Decision Making
Mixed · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Microsoft 365, Analysis, Trend Analysis, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Interactive Data Visualization, Statistical Visualization, Dashboard, Data Visualization Software, Dashboard Creation, Looker (Software), Data Literacy, Health Informatics, Technical Communication, Spatial Data Analysis, Data Analysis, Health Technology, Geospatial Mapping, Health Care, Web Content Accessibility Guidelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Sales Strategy, Customer Analysis, Sales Enablement, Data Cleansing, Sales Management, Sales, Customer Relationship Management (CRM) Software, Customer Insights, Data Quality, Data Maintenance, Sales Prospecting, Prospecting and Qualification, Customer Data Management, Customer Engagement, AI Personalization, Advanced Analytics, Analytics, Personalized Service, Data Integrity
Beginner · Course · 1 - 4 Weeks