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.

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: 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: Cloud Engineering, Data Transformation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Embedded Systems, C (Programming Language), Embedded Software, Data Structures, Code Reusability, Memory Management, C and C++, Programming Principles, Data Management, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS SageMaker, AI Integrations, Amazon Web Services, AI Security, AI Enablement, DevOps, IT Automation, Devops Tools, AI Workflows, AWS CloudFormation, AI literacy, Vulnerability Scanning, Artificial Intelligence, Secure Coding, Generative AI Agents, Generative AI, Application Security, Responsible AI, Extract, Transform, Load, Building Codes
Intermediate · Course · 1 - 4 Weeks

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

Pragmatic AI Labs
Skills you'll gain: Prometheus (Software), Amazon Bedrock, Rust (Programming Language), System Monitoring, Site Reliability Engineering, Command-Line Interface, Grafana, Continuous Monitoring, IT Automation, Automation, CI/CD, Prompt Patterns, DevOps, Unix Commands, JSON, Compliance Auditing, Linux, File Systems, File I/O
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Dashboard Creation, Interactive Data Visualization, Data Presentation, Data Visualization Software, Business Intelligence, Amazon Web Services, Business Intelligence Software, Business Analytics, Data Analysis, Data Sharing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Architecture Review, Investigation, Cyber Security Assessment, IT Security Architecture, Failure Analysis, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Data Wrangling, Dashboard Creation, Data Manipulation, Google Cloud Platform, Data Import/Export, Data Transformation, Data Cleansing, Dataflow, Data Analysis, Sampling (Statistics), Course Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Dashboard Creation, Cloud Management, Kibana, Google Cloud Platform, Cloud Computing, Data Import/Export, Financial Data, Mainframe Computing, Dataflow, Mainframe Technologies, Big Data, Exploratory Data Analysis, Data Pipelines, Cloud Deployment, SQL, Data Analysis
Beginner · Project · Less Than 2 Hours