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: Apache Hadoop, Apache Hive, Extract, Transform, Load, Data Pipelines, Data Import/Export, Data Migration, Data Integration, MySQL, Relational Databases, Data Processing, Data Validation, Data Storage, File Management, File Systems
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Migration, Google Cloud Platform, Data Pipelines, Data Import/Export, Apache Airflow, Data Sharing, Data Storage Technologies, Data Processing, Data Integration, IT Automation, Cloud Storage, Data Storage, Data Store, Real Time Data
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Gmail, Data Governance, Data Management, Google Workspace, Data Loss Prevention, Information Management, Records Management, Email Security, Data Security, Data Storage, System Configuration, Compliance Management, Record Keeping, Regulatory Compliance, Regulatory Requirements, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Computational Thinking, Algorithms, Debugging, Java, Applied Mathematics, Programming Principles, Computer Programming, Theoretical Computer Science, Numerical Analysis, Computer Programming Tools, Mathematical Theory & Analysis, Pseudocode, Software Installation, Software Architecture, Performance Tuning, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Languages and XML
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Security Information and Event Management (SIEM), Penetration Testing, Vulnerability Assessments, Cybersecurity, Intelligence Collection and Analysis, Vulnerability Scanning, Cyber Attacks, Network Security, Information Systems Security, Computer Security, Analysis, Network Analysis, Auditing, Data Analysis, Linux Commands, Data Collection, Correlation Analysis, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Scientific Visualization, Data Visualization Software, Statistical Visualization, Plot (Graphics), Visualization (Computer Graphics), C++ (Programming Language), Application Development, Graphing, Computer Graphics, C and C++, Data Mapping, Application Frameworks, Verification And Validation, Graphical Tools, Data Processing, Computer Graphic Techniques, Software Testing
Intermediate · 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: 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: Extract, Transform, Load, Data Sharing, Data Pipelines, Metadata Management, Google Cloud Platform, Data Migration, Data Processing, Data Infrastructure, Big Data, Data Integration, Apache Airflow, Cloud Storage, Data Warehousing, Data Management, Data Lakes, Data Import/Export, Data Storage, Data Transformation, Apache Spark, Serverless Computing
Beginner · Course · 1 - 3 Months

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