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.

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Bioinformatics, Applied Machine Learning, Interactive Data Visualization, Supervised Learning, Data Visualization, Machine Learning, Big Data, Data Mining, Data Science, Data Transformation, Data Integration, Precision Medicine, Medical Science and Research, Unsupervised Learning, Molecular Biology, Data Processing, Metadata Management, Cell Biology, Model Evaluation, Data Pipelines
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Relational Databases, Power BI, Microsoft Azure, Database Management, NoSQL, Dashboard, Cloud Deployment, Dashboard Creation, Data Integration, Data Visualization, Data Visualization Software, SQL, Database Management Systems, Data Storage, Data Modeling, Cloud Storage, Extract, Transform, Load, Data Processing, Infrastructure As A Service (IaaS), Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Dashboard Creation, Tableau Software, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Data Analysis Software, Business Intelligence, Performance Tuning, Data Analysis, Analytics, Analytical Skills, Business Metrics
Beginner · 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: Data Architecture, Data Lakes, Enterprise Architecture, Data Warehousing, Data Integration, Virtualization, Cloud Storage, Metadata Management, Data Storage, Data Transformation, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, Prompt Engineering, Generative AI Agents, Data Analysis, Generative AI, OpenAI, Data Visualization Software, Data Manipulation, Artificial Intelligence, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Airflow, Service Level Agreement, Data Pipelines, Workflow Management, Dependency Analysis, Scalability, Service Level, System Monitoring
Beginner · Course · 1 - 4 Weeks

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
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Cloud Security, Encryption, Personally Identifiable Information, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Security Controls, Cyber Attacks, Medical Records, Health Technology, Health Administration, Information Privacy, Cloud Computing, Patient Safety
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Jupyter, Timelines, Microsoft Excel, Spreadsheet Software, Project Schedules, Data Import/Export, Python Programming, Email Automation, Data Literacy, Data Structures, Data Analysis, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Data Architecture, Salesforce, Salesforce Object Query Language (SOQL), Salesforce Development, Scalability, Data Integration, Data Migration, Data Validation, Data Quality, Data Import/Export, Enterprise Architecture, Database Architecture and Administration, Database Design, Data Modeling, Data Cleansing, Data Mapping, Data Integrity, Web Services, Governance, Simple Object Access Protocol (SOAP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Processing, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Software Installation, Data Transformation, Software Versioning
Mixed · Course · 1 - 4 Weeks