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.

University of Colorado Boulder
Skills you'll gain: Bayesian Network, Bayesian Statistics, Reinforcement Learning, Probability, Probability & Statistics, Decision Intelligence, Probability Distribution, Markov Model, Agentic systems, Artificial Intelligence, Machine Learning Methods, Statistical Inference, Applied Machine Learning, Statistical Machine Learning, Time Series Analysis and Forecasting, Algorithms
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Statistical Analysis, Data Analysis, Data Science, Statistical Programming, Statistical Methods, Statistical Machine Learning, Statistical Modeling, Applied Machine Learning, Model Evaluation, Regression Analysis, Statistics, Machine Learning Methods, Machine Learning Algorithms, Bayesian Statistics, Supervised Learning, Statistical Inference, Machine Learning, Unsupervised Learning, Predictive Modeling, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Penetration Testing, Vulnerability Scanning, Metasploit, Vulnerability Assessments, Exploitation techniques, Cyber Security Assessment, Exploit development, Network Security, Cybersecurity, Vulnerability Management, Brute-force attacks, Security Testing, MITRE ATT&CK Framework, Test Planning, Cloud Security, Network Analysis, OSI Models, Linux, Web Applications, Ethical Standards And Conduct
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Anomaly Detection, Microsoft Azure, Data Ethics, AI Workflows, Artificial Intelligence, Image Analysis, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, AI literacy, Machine Learning
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Wireframing, User Interface and User Experience (UI/UX) Design, Mockups, UI/UX Strategy, Responsive Web Design, User Interface (UI), Web Design, User Interface (UI) Design, User Experience, User Experience Design, Prototyping, Web Design and Development, Visual Design, Web Language, UI/UX Research, Graphic and Visual Design, Interactive Design, HTML and CSS, Design Reviews, Design Elements And Principles
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Scheduling, Social Media Management, Brand Awareness, Social Media Content, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Brand Management, Brand Marketing, Brand Strategy, Marketing Effectiveness, Content Marketing, Digital Advertising, Email Marketing, Digital Marketing, Search Engine Optimization, Google Analytics, Communication, AI Enablement, Generative AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Good Clinical Practices (GCP), Clinical Research, Clinical Trials, Clinical Research Ethics, Informed Consent, Clinical Data Management, Drug Development, Health Equity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, Prompt Patterns, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Token Optimization, Generative Model Architectures, AI Integrations, Fine-tuning, Embeddings, Data Pipelines, Containerization, Restful API, Docker (Software)
Intermediate · Specialization · 1 - 3 Months
Michigan State University
Skills you'll gain: Interviewing Skills, Journalism, Media and Communications, Multimedia, Driving engagement, Electronic Media, Report Writing, Research Reports, Investigation, Research, Storytelling, Peer Review, Content Creation, Ethical Standards And Conduct, International Relations, Data Collection, Oral Expression, Rapport Building, Media Production, Writing
Beginner · Specialization · 3 - 6 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Data Collection, Business Intelligence, Data-Driven Decision-Making, Data Literacy, Data Strategy, Data Analysis, Business Analytics, Data Ethics, Analytics, Big Data, Diversity and Inclusion, Data Quality, Market Opportunities
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Node.JS, Authentications, Cloud Deployment, Middleware, MongoDB, Server Side, Back-End Web Development, Role-Based Access Control (RBAC), Application Deployment, Full-Stack Web Development, API Testing, Authorization (Computing), Redis, JavaScript Frameworks, JSON, Database Management, TypeScript, Javascript, Database Design, Debugging
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Closing (Sales), Sales Process, Selling Techniques, Sales Presentations, Timelines, Performance Reporting, Sales Pipelines, Performance Analysis, Benchmarking, Performance Measurement, Performance Metric, Decision Making, Simulations, Scaling And Root Planing, Strategic Marketing
Intermediate · Course · 1 - 4 Weeks