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.

Starweaver
Skills you'll gain: Embedded Software, Embedded Systems, Electrical Systems, Cybersecurity, Program Development, Automation, Electronics, Sustainable Technologies, Control Systems, Electronic Hardware, Internet Of Things, Software Development
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Database Administration, Disaster Recovery, Database Architecture and Administration, Database Systems, Database Management, Database Management Systems, Operational Databases, Data Maintenance, Relational Databases, Databases, Database Design, Data Management, Business Continuity Planning, Database Software, Database Theory, Transaction Processing, Data Governance, Data Security, SQL, Business Continuity
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Excel Formulas, Microsoft Excel, Business Analytics, Risk Analysis, Business Risk Management, Business Modeling, Financial Modeling, Resource Allocation, Statistical Analysis, Decision Intelligence, Mathematical Modeling, Process Optimization, Financial Analysis, Statistical Methods, Spreadsheet Software, Predictive Analytics, Transportation Operations
★ 4.8 (4K) · Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Statistical Analysis, SPSS, Statistical Modeling, Statistical Software, Correlation Analysis, Statistical Methods, SPSS (Software), Regression Analysis, Mathematical Modeling, Data Analysis Software, Data Integration, Advanced Analytics, Research Methodologies, Mathematical Software, Data Analysis, Science and Research, Model Evaluation, Dimensionality Reduction, Data Import/Export
★ 4.8 (96) · Mixed · Course · 3 - 6 Months

Skills you'll gain: Flask (Web Framework), Application Programming Interface (API), Restful API, Back-End Web Development, Database Management, Bootstrap (Front-End Framework), Object-Relational Mapping, Database Development, Web Applications, SQL, Email Automation, UI Components, Database Design, Application Deployment, Authentications, Front-End Web Development, File Management, Data Migration, User Accounts, Data Validation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Network Analysis, Unsupervised Learning, Social Network Analysis, Supervised Learning, Applied Machine Learning, Network Model, Unstructured Data, Marketing Analytics, Social Media Analytics, Deep Learning, Scikit Learn (Machine Learning Library), Machine Learning, Tensorflow, Model Training, Machine Learning Algorithms, Text Mining, Data Analysis, Model Evaluation, Transfer Learning, Statistical Methods
★ 3.2 (16) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Competitive Analysis, Market Research, User Story, User Interface (UI), Competitive Intelligence, User Interface and User Experience (UI/UX) Design, Usability, Persona Development, Microsoft Copilot, Product Development, Market Analysis, UI/UX Strategy, New Product Development, Product Management, Product Lifecycle Management, Product Roadmaps, Data Ethics, Law, Regulation, and Compliance, Responsible AI, Data Governance
★ 4.6 (378) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Infrastructure, Data Architecture, Cloud Infrastructure, Cloud Engineering, Data Warehousing, Capacity Planning, Infrastructure as Code (IaC), Database Architecture and Administration, Cloud Security, Disaster Recovery, Capacity Management, Terraform, Data Security, Site Reliability Engineering, Problem Management, Solution Architecture, Resource Management, Business Continuity Planning, Performance Analysis, Cost Benefit Analysis
Advanced · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Email Security, Productivity Software, Microsoft Outlook, File Management, Collaborative Software, Presentations, Microsoft Teams, Google Docs, Calendar Management, Microsoft PowerPoint, Control Panels, Gmail, Slack (Software), Microsoft Office, Microsoft Word, Spreadsheet Software, Meeting Facilitation, Google Workspace, Google Sheets, Software Installation
★ 4.7 (614) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Unit Testing, Test Driven Development (TDD), Test Script Development, Programming Principles, Software Testing, Data Structures, Python Programming, Program Development, Computer Programming, Development Environment, Debugging, Django (Web Framework), Functional Design, Package and Software Management, Cloud Hosting
★ 4.6 (1.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Convolutional Neural Networks, Transfer Learning, Image Analysis, Model Training, Deep Learning, Python Programming
★ 4.4 (228) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Cleansing, Rmarkdown, Data Presentation, Data Visualization, Analytical Skills, Tableau Software, Dashboard, Stakeholder Communications, Dashboard Creation, Data Literacy, Data Integrity, Case Studies, Interactive Data Visualization, Data Analysis, Spreadsheet Software, Data Ethics, Ggplot2, Data Validation, Database Management
★ 4.8 (46) · Beginner · Professional Certificate · 3 - 6 Months