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: Calculus, Integral Calculus, Numerical Analysis, Advanced Mathematics, Mathematical Theory & Analysis, Mathematical Modeling, Mathematical Software, Data Analysis, Probability, Geometry, Applied Mathematics, Mechanics, Estimation, Probability & Statistics, Exploratory Data Analysis, Graphing, Physics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Data Storytelling, Data Presentation, Dashboard Creation, Business Reporting, Responsible AI, Storytelling, Report Writing, Data Visualization, Interactive Data Visualization, Presentations, Financial Reporting, Generative AI, Financial Data, Technical Communication, Microsoft Excel, Financial Modeling, Data Ethics, Data Visualization Software, Strategic Communication
Advanced · Course · 1 - 3 Months

University of London
Skills you'll gain: Plot (Graphics), Data Visualization, Data Literacy, Statistical Methods, Data Science, Applied Machine Learning, Unsupervised Learning, Statistics, NumPy, Python Programming, Pandas (Python Package), Data Analysis, Machine Learning Algorithms, Descriptive Statistics, Data Processing, Analytics, Machine Learning, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Analytics, Data Visualization, Business Analytics, Data Analysis, Interactive Data Visualization, Microsoft PowerPoint, Data Presentation, Presentations, Excel Formulas, Data-Driven Decision-Making, Dashboard, Data Storytelling, Dashboard Creation, Microsoft Excel, Customer Analysis, Data Visualization Software, Big Data, Target Market, Oral Expression, Data Cleansing
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Digital Transformation, Data-Driven Decision-Making, Business Transformation, Data Presentation, Data Strategy, Data Literacy, Agile Project Management, Business Analytics, Strategic Decision-Making, Analytics, Agile Methodology, Storytelling, Customer experience strategy (CX), Presentations, Microsoft Power Platform, Proposal Writing, Leadership, Data Quality, Stakeholder Communications
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Presentation, Tableau Software, Data Visualization Software, Data Literacy, Descriptive Analytics, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

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

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Data Literacy, Finance, Business Ethics, Product Design, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Data Visualization, Interactive Data Visualization, Dashboard, Dashboard Creation, Data Visualization Software, Tableau Software, Exploratory Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Computer Programming
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Microsoft SQL Servers, Active Directory, Data Access, Authentications, Database Management, Databases, Data Governance, Key Management, Identity and Access Management, Firewall
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Star Schema, Data Infrastructure, Data Governance, Data Modeling, Data Strategy, Data Architecture, Data Migration, Database Design, Correlation Analysis, Stored Procedure, Data Pipelines, Data Lakes, Infrastructure as Code (IaC), Data Validation, Disaster Recovery, Role-Based Access Control (RBAC), Compliance Auditing, CI/CD, Resource Management, Performance Management
Advanced · Specialization · 3 - 6 Months