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: Program Evaluation, Health Equity, Quantitative Research, Data Analysis, Statistical Analysis, Analysis, Health Assessment, Statistical Reporting, Health Disparities, Exploratory Data Analysis, Data Collection, Sampling (Statistics), Public Health and Disease Prevention, Maternal Health, Model Evaluation, Research Design
★ 4.8 (63) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Applicant Tracking Systems, Workforce Management, Talent Acquisition, Human Resources Software, Talent Management, Staff Management, Payroll, Talent Recruitment, Team Management, Data Entry, Scheduling
★ 4.7 (223) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Agentic systems, Performance Testing, Prompt Engineering, Generative AI Agents, Generative AI, Agentic Workflows, Performance Tuning, Model Evaluation, Verification And Validation, Large Language Modeling, MLOps (Machine Learning Operations), Embeddings
Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Correlation Analysis, Statistical Analysis, R (Software), Mathematical Modeling
★ 3.9 (21) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Emerging Technologies, Forecasting, Critical Thinking, Augmented and Virtual Reality (AR/VR), Strategic Thinking, Technology Strategies, Strategic Leadership, Business Transformation, Data-Driven Decision-Making, Strategic Decision-Making, Innovation, Storytelling, Thought Leadership, Augmented Reality, AI literacy, Scenario Testing, Decision Making, Artificial Intelligence, Virtual Reality, Probability & Statistics
★ 4.8 (48) · Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Infrastructure, Key Management, Transaction Processing, Authentications, Data Security, Information Privacy, Data Integrity
★ 4.5 (53) · Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Graphics Software, Creative Design, Design Elements And Principles, Design, Graphic and Visual Design, Design Software, Data Import/Export, Typography, Graphical Tools, Graphic Design, Graphic and Visual Design Software, Adobe Creative Cloud, Digital Design, Computer Graphic Techniques
★ 4.4 (9) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Model Optimization, Performance Tuning, Memory Management, Docker (Software), Java, Java Programming, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Penetration Testing, Metasploit, Safety Culture, Cyber Threat Hunting, Cyber Threat Intelligence, Cyber Security Assessment, Cybersecurity, Threat Detection, Generative AI, Security Testing, Vulnerability Scanning, Anomaly Detection, Data Security, Security Strategy, Network Security, Security Software, Change Management, Machine Learning Methods, Ethical Standards And Conduct, Data Visualization
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Generative AI Agents, AI Orchestration, Agentic systems, Agentic Workflows, AI Workflows, Artificial Intelligence, LLM Application, Generative AI, Development Environment, Tool Calling, AI literacy, Large Language Modeling, Software Development Tools, Python Programming, Software Installation
★ 4.6 (119) · Intermediate · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Goal Setting, Engineering Management, Smart Goals, Recruitment, Technical Management, Management Training And Development, Employee Retention, Talent Management, Leadership and Management, Talent Acquisition, Expectation Management, Team Performance Management, People Management, Team Leadership, Recruitment Strategies, Organizational Effectiveness, Software Engineering, Program Management, Cloud Engineering, Business Strategy
★ 4.7 (75) · Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, Computer Graphics, Android Development, Computer Graphic Techniques, 3D Assets, Visualization (Computer Graphics), Application Development, Animation and Game Design, Animations, Mobile Development, Creative Design
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks