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 Integration, Microsoft Azure, Data Storage Technologies, Cloud Storage, Disaster Recovery, Data Architecture, Database Design, Data Storage, Cloud Security, NoSQL, Encryption, Relational Databases, Security Controls, Scalability, Performance Tuning, Database Management, Identity and Access Management, Business Intelligence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: People Analytics, Workforce Planning, Job Analysis, Human Resource Strategy, Talent Sourcing, Human Resources Management and Planning, Human Resources, Workforce Management, Google Sheets, Talent Recruitment, Consolidation, Talent Acquisition, Compensation Analysis, Full Cycle Recruitment, Recruitment Strategies, Recruitment, Analysis
★ 4.6 (45) · Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Data Migration, Apache Cassandra, Docker (Software), Databases, Operational Databases, Containerization, Database Application, Application Deployment, Data Import/Export, Cloud Deployment
Beginner · Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Store, Apache Hadoop, Apache Mahout, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Applied Machine Learning, Machine Learning Methods, Statistical Machine Learning, Scalability, Machine Learning
★ 4.3 (343) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Data-Driven Decision-Making, Public Health, Public Health and Disease Prevention, Health Care, Health Informatics, Infectious Diseases, Data Collection, Analytics, Health Systems, Data Ethics, Data Quality, Decision Support Systems, Health Technology
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Data Storytelling, Mergers & Acquisitions, Data Transformation, Interactive Data Visualization, Spreadsheet Software, Data Presentation, Business Valuation, Financial Modeling, Case Studies, Analysis, Financial Statement Analysis, Financial Analysis, Market Data, Benchmarking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Mathematical Software, Data Manipulation, Jupyter, Python Programming, Numerical Analysis, Data Wrangling, Data Science, Java, R Programming, Interoperability, Java Programming, Programming Principles, Computer Programming, Development Environment, Statistical Analysis, Scripting Languages, C (Programming Language), Data Structures, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Engineering, Data Transformation
Intermediate · Course · 3 - 6 Months

Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Relational Databases, Power BI, Microsoft Azure, Data Store, Data Visualization, Database Management, Real Time Data, Interactive Data Visualization, Data Storage, Database Theory, Dashboard, Data Presentation, Databricks, Database Administration, Data Warehousing, Data Management, Data Architecture, Data Integrity, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Application Development, Application Deployment, UI Components, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Program Development, Interactive Design, Development Environment, Software Development Life Cycle, Software Testing, Context Management, Frontend Integration, Application Frameworks, Application Performance Management, Debugging, Application Security, Event-Driven Programming, Web Services
Beginner · Course · 1 - 4 Weeks