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.

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Architecture and Administration, Database Administration, Data Management, Relational Databases, Data Warehousing, Database Design, SQL, Transaction Processing, Stored Procedure, Data Security, Transact-SQL, Query Languages, Disaster Recovery, Data Storage Technologies, Encryption, Security Controls, Server Side, Data Encryption Standard
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Lakes, Data Processing, Google Cloud Platform, Data Warehousing, Data Integration, Data Management, Data Pipelines, Data Governance, Data Access, Analytics, Data Security, Identity and Access Management, Automation
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Apache Hive, Big Data, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Database Theory, Distributed Computing, Data Processing, Transaction Processing, Business Intelligence, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Medical Record, Electronic Medical Record System, Patient Registration, Health Information Management and Medical Records, Medical Records, Health Information Management, Patient Safety, Data Cleansing, Reconciliation, Records Management, Clinical Documentation, Record Keeping, Data Validation, Data Integrity, Clinical Data Management, Consolidation, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Splunk, Role-Based Access Control (RBAC), Data Transformation, Statistical Visualization, Infrastructure Architecture, Data Infrastructure, Data Visualization Software, Analytical Skills, Data Analysis, Statistical Analysis, Anomaly Detection, Exploratory Data Analysis, Configuration Management, Data Manipulation, Data Presentation, Interactive Data Visualization, Security Information and Event Management (SIEM), Authentications
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Ethics, Big Data, Cybersecurity, Data Security, Cryptography, Information Privacy, Encryption, Digital pedagogy, AI Personalization, Computer Science, Web Servers, Machine Learning, Machine Learning Methods, Supervised Learning, Artificial Neural Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Engineering, Network Monitoring, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Network Administration, Local Area Networks, Network Analysis, OSI Models, Network Model, Network Routing
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Microsoft Excel, Data Cleansing, Data Visualization Software, Spreadsheet Software, Trend Analysis, Forecasting, Revenue Forecasting, Data Manipulation, Sales, Data Analysis, Prompt Engineering, Artificial Intelligence
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Looker (Software), Spatial Data Analysis, Data Import/Export, Interactive Data Visualization, Query Languages, Data Integration, GIS Software, Geospatial Information and Technology, Big Data, Data Store
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Seaborn, Tableau Software, Statistical Visualization, Dashboard, Matplotlib, Dashboard Creation, Plot (Graphics), Heat Maps, Scatter Plots, Histogram, Data Mapping, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, Data Governance, User Provisioning, Data Management, Data Security, Azure Active Directory, Cloud Development, Secure Coding, IT Security Architecture, Cloud Applications, Application Security, Identity and Access Management, Key Management, Encryption
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Processing, Google Cloud Platform, Data Warehousing, Data Maintenance, Data Storage Technologies, Data Storage, Extract, Transform, Load, Cloud Engineering, Data Infrastructure, Data Analysis, Data Architecture, Data Preprocessing, Automation, Data Security
Advanced · Course · 1 - 3 Months