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: Health Informatics, Clinical Informatics, Healthcare Project Management, Health Technology, Change Control, Health Systems, Health Policy, Informatics, Health Care, Health Assessment, Medical Records, Health Care Administration, Health Information Management, Clinical Leadership, Health Administration, Decision Support Systems, Solution Design, IT Management, Electronic Medical Record System, Data Science
★ 4.4 (1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Airflow, CI/CD, Data Pipelines, Continuous Deployment, Workflow Management, Site Reliability Engineering, Data Engineering, Model Deployment, Data Quality, Version Control, PostgreSQL, Git (Version Control System), Python Programming, Debugging, SQL, Production Management, Scheduling, Unit Testing, Linux Commands, Web Servers
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Internal Auditing, Enterprise Risk Management (ERM), Data Visualization, Risk Analysis, Tableau Software, Data Presentation, Auditors Report, Internal Communications, Persuasive Communication, Data-Driven Decision-Making, Continuous Improvement Process, Data Analysis, Data Literacy, Cybersecurity, Empathy & Emotional Intelligence, Influencing, Stakeholder Management, Stakeholder Analysis, Governance Risk Management and Compliance, Business Risk Management
★ 4.6 (21) · Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Sheets, Data Visualization Software, Spreadsheet Software, Big Data, Data Storytelling, Data Analysis, Data Presentation, Google Workspace, Google Cloud Platform, Data-Driven Decision-Making, Data Integration, Data Manipulation
★ 4.1 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Data Transformation, Advanced Analytics, Data Wrangling, Statistical Machine Learning, Data Manipulation, SPSS (Software), Analytics, Data Presentation, Data Preprocessing, Data Analysis, Business Analytics, Statistical Analysis, Statistical Modeling, Predictive Analytics, Data Storytelling, SPSS, Dataflow, Process Design
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Advanced Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Mathematical Software, Exploratory Data Analysis
★ 4.9 (62) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Terraform, Infrastructure as Code (IaC), Business Continuity Planning, Cost Benefit Analysis, Business Continuity, Data Infrastructure, Data Warehousing, Cost Management, Performance Analysis, Data Architecture, Benchmarking, IT Automation, IT Infrastructure, Infrastructure Architecture, Cloud Storage, AWS CloudFormation, Cloud Computing Architecture, Data-Driven Decision-Making, Automation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Compliance Reporting, Data Centers, Sustainability Standards, Sustainable Architecture, Data Infrastructure, Corporate Sustainability, Operational Efficiency, Product Lifecycle Management, Performance Metric
Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Transformation, Microsoft Excel, Sampling (Statistics), Data Cleansing, Data Wrangling, Statistical Visualization, Data Analysis Software, Data Analysis, Statistical Analysis, Data Integration, Microsoft 365, Productivity Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Provisioning, User Accounts, Data Import/Export, Salesforce, Data Integrity, Data Migration, Data Management, Role-Based Access Control (RBAC), Identity and Access Management, Data Security, Authorization (Computing), Data Sharing, Data Access, Security Controls, Customer Relationship Management (CRM) Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Data Presentation, Presentations, Data Storytelling, Interactive Data Visualization, Dashboard, Data Visualization Software, Dashboard Creation, Data Visualization, Advanced Analytics, Data Analysis, Statistical Visualization, Analytics, Data-Driven Decision-Making, Data Access, Storytelling, Data Integration, Data Management
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Import/Export, Database Development, Data Modeling, Database Management, Google Cloud Platform, SQL, MySQL, Data Manipulation, Data Analysis, Cloud Hosting, Cloud Computing
Intermediate · Project · Less Than 2 Hours