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.

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Text Mining, Portfolio Risk, Asset Management, Network Analysis, Data Visualization Software, Investments, Machine Learning Methods, Return On Investment, Unstructured Data, Predictive Modeling, Web Scraping, Machine Learning, Social Network Analysis, Financial Statements, Applied Machine Learning, Financial Market, Financial Modeling, Risk Management
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Compassion, Mindfulness, Resilience, Program Evaluation, Stress Management, Patient-centered Care, Training Programs, Emotional Intelligence, Empathy, Self-Awareness, Patient Communication, Professional Development, Active Listening, Data Analysis, Analytical Skills, Qualitative Research, Surveys
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Systems, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, Servers, Security Awareness, Computer Hardware, Information Systems Security, Computer Architecture, Data Storage, Patch Management, Cloud Computing
Beginner · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Data Science, Data Strategy, Internet Of Things, AI Product Strategy, Analytics, Big Data, Data Collection, Artificial Intelligence, Descriptive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Process Optimization, Process Improvement and Optimization, Cloud Computing, Operations, Marketing, Operational Efficiency, Customer Service, User Experience, Prototyping
Mixed · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Application Security, Open Web Application Security Project (OWASP), Software Testing, Secure Coding, Test Tools, Regression Testing, Unit Testing, Penetration Testing, Security Controls, Computer Security, Test Driven Development (TDD), Debugging, User Acceptance Testing (UAT), Computer Programming, Python Programming, Node.JS, Information Privacy, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Go To Market Strategy, Growth Strategies, Value Propositions, Competitive Analysis, Product Development, Market Analysis, Customer Analysis, User Experience, Marketing Strategies, Target Market, Product Marketing, Data-Driven Decision-Making, Market Opportunities, Business Strategy, Marketing Channel, Cost Estimation
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Advanced Mathematics, Geometry, Data Transformation, Applied Machine Learning, Dimensionality Reduction, Markov Model, Probability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, AI Personalization, Embeddings, Hugging Face, MongoDB, NoSQL, PostgreSQL, Relational Databases, Generative AI, SQL, Databases, LLM Application, Applied Machine Learning, Database Design, Database Management, Apache Cassandra, Text Mining, Artificial Intelligence, Machine Learning, Data Science
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Image Analysis, Software Installation, Data Analysis, Analysis, Scientific Methods, User Interface (UI)
Beginner · Guided Project · Less Than 2 Hours
Corporate Finance Institute
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Snowflake Schema, Data Modeling, SQL, Dashboard, Microsoft Excel, Business Intelligence, Excel Formulas, Pivot Tables And Charts, Data Import/Export, Business Reporting, Databases, Interactive Data Visualization, Data Storytelling, Financial Statements, Data Manipulation, Data Transformation, Financial Analysis, Data Visualization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: 3D Modeling, Integration Testing, Programming Principles, Data Structures, Computer Programming
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Penetration Testing, Threat Modeling, Exploit development, Open Web Application Security Project (OWASP), Application Security, Cyber Security Assessment, Patch Management, Cybersecurity, Data Ethics, Cyber Engineering, Technical Communication, Technical Writing
Beginner · Course · 3 - 6 Months