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.

AI CERTs
Skills you'll gain: AI Personalization, AI Product Strategy, Experience Design, Persona (User Experience), User Experience Design, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, UI/UX Research, User Interface (UI), Artificial Intelligence, Design Research, Emerging Technologies, Wireframing, User Story, Design Reviews, Prototyping, Responsible AI, Prompt Patterns, Professional Development
★ 3.8 (28) · Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Generative AI, Model Evaluation, Dashboard Creation, Dashboard, Image Quality, Embeddings, Image Analysis, Large Language Modeling, Data Visualization, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Deep Learning, Supervised Learning, Model Optimization, Artificial Neural Networks, Model Training, Model Evaluation, Decision Tree Learning, Machine Learning Algorithms, Machine Learning
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Unreal Engine, Adobe After Effects, Motion Graphics, Animations, Animation and Game Design, Multimedia, 3D Modeling, 3D Assets, Logo Design, Cinematography, Video Editing, Post-Production, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Photo/Video Production and Technology, Autodesk, Visual Storytelling, Graphical Tools, Creative Design
★ 4.4 (33) · Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
★ 4.5 (120) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Resource Management, Sustainable Engineering, Process Engineering, Sustainable Technologies, Sustainable Systems, Environment and Resource Management, Public Health, Data Collection, Capital Expenditure, Research, Case Studies
★ 4.8 (677) · Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Governance, Management Accounting, Budgeting, Financial Modeling, Financial Data, Financial Forecasting, Accounting, Financial Analysis, Forecasting, Financial Management, Financial Acumen, General Accounting, Financial Statement Analysis, Financial Accounting, Financial Statements, Business Acumen, Business Modeling, Business Metrics, Corporate Strategy, Standard Accounting Practices
★ 4.7 (322) · Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Digital Transformation, Cybersecurity, Data Management, Big Data, Talent Management, Human Capital, Infrastructure Security, Interoperability, Analytics, Economics, Policy, and Social Studies, Data Security, Administration, Project Design, Public Policies, Data Governance, digital literacy, Policy Development, Public Administration, Process Improvement, Project Management
★ 4.8 (145) · Beginner · Specialization · 1 - 3 Months

National Taiwan University
Skills you'll gain: Operations Research, Network Model, Statistical Machine Learning, Case Studies, Applied Mathematics, Mathematical Modeling, Machine Learning, Model Optimization, Mathematical Theory & Analysis, Transportation Operations, Business Analytics, Advanced Mathematics, Linear Algebra, Resource Allocation, Classification Algorithms, Algorithms
★ 4.9 (97) · Advanced · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Survey Creation, Quantitative Research, Statistical Methods, Statistical Analysis, Statistical Software, Probability & Statistics, Probability, Statistical Inference, Network Analysis, Research Design
★ 4.3 (110) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Microarchitecture, Computer Architecture, IT Infrastructure, Data Storage Technologies, System Configuration, Data Storage, Memory Management
★ 4.5 (71) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Security Strategy, Cyber Governance, Incident Response, Cyber Operations, Cyber Threat Intelligence, Encryption, Cyber Attacks, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, Mobile Security, Network Model, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.7 (52) · Beginner · Specialization · 1 - 3 Months