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.

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Management Systems, Database Development, SQL, MySQL, Database Theory, Database Architecture and Administration, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Data Integrity, Query Languages, Application Development
★ 4.5 (102) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: User Interface (UI), UI/UX Research, Prototyping, User Research, User Interface and User Experience (UI/UX) Design, AI Personalization, UI/UX Strategy, User Experience, User Flows, AI powered creativity, User Interface (UI) Design, Usability, Figma (Design Software), Web Content Accessibility Guidelines, Data Storytelling, Journey Mapping, Interactive Design, Generative AI, User Experience Design, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.4 (194) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsible AI, AI Product Strategy, Competitive Intelligence, AI Enablement, Hybrid Cloud Computing, Business Leadership, Data Management, Strategic Leadership, Generative AI, Law, Regulation, and Compliance, Data Strategy, Cloud Infrastructure, Return On Investment, AI Integrations, Artificial Intelligence, Model Evaluation, Talent Management
★ 4.8 (132) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Manipulation, Data Wrangling, Data Preprocessing, Data Analysis, Python Programming
Intermediate · Course · 1 - 4 Weeks

Cleveland Clinic
Skills you'll gain: Machine Learning Methods, Machine Learning, Model Optimization, Machine Learning Algorithms, Healthcare Industry Knowledge, Health Informatics, Applied Machine Learning, Model Training, Health Care, Supervised Learning, Clinical Experience, Health Technology, Artificial Intelligence, Reinforcement Learning, Data-Driven Decision-Making, Data Science
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Revenue Management, Hospitality Management, Forecasting, Budgeting, Hotels and Accommodations, Hospitality, Financial Forecasting, Hotel Operations, Revenue Forecasting, Target Market, Booking (Sales), Market Dynamics, Consumer Behaviour, Digital Transformation, Customer Acquisition Management, Data-Driven Decision-Making
★ 4.6 (1.1K) · Mixed · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Data-Driven Marketing, Customer experience improvement, Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Marketing, Data-Driven Decision-Making, Applied Machine Learning, Predictive Analytics, Machine Learning Methods, Digital Marketing, Customer Engagement, Machine Learning Algorithms, Machine Learning, Innovation, Brand Strategy, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Intelligence
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: C (Programming Language), Data Structures, C and C++, Programming Principles, Algorithms, Memory Management
★ 4.3 (349) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Usability, User Experience Design, User Centered Design, Software Documentation, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Technical Writing, Technical Communication, Product Development, Writing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Probability & Statistics, Probability, Probability Distribution, Simulations, Statistical Modeling, Statistical Methods, Estimation, Correlation Analysis, Engineering Analysis, Statistical Analysis, Reliability, Engineering, Spatial Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Presentation, Interactive Data Visualization, Power BI, Data Storytelling, Data Visualization Software, Dashboard, Dashboard Creation, Business Reporting, Advanced Analytics, Compliance Reporting, Design Elements And Principles, User Experience
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Vector Databases, Retrieval-Augmented Generation, Fine-tuning, Model Evaluation, Hugging Face, Generative AI, Dimensionality Reduction, Model Optimization, Natural Language Processing, OpenAI API, Data Preprocessing, Embeddings, Classification Algorithms, Text Mining, Applied Machine Learning, Statistical Machine Learning, Deep Learning, Scikit Learn (Machine Learning Library), Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months