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.

Imperial College London
Skills you'll gain: Epidemiology, Public Health and Disease Prevention, Health Disparities, Public Health, Health Equity, Social Determinants Of Health, Infectious Diseases, Health Policy, Socioeconomics, Health Assessment, Demography, Disabilities, Chronic Diseases, Statistical Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Automation, SAS (Software), Debugging, SQL, Data Manipulation, Data Processing
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Presentations, Canva (Software), Typography, Target Audience, Data Visualization, Visual Storytelling, Communication Strategies, Data Storytelling, Visual Design, Graphic and Visual Design, Communication, Timelines, Style Guides, Graphic Design, Storytelling, Layout Design
Beginner · Course · 1 - 4 Weeks
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Business Research, Peer Review, Consulting, Report Writing, Business Consulting, Research Reports, Management Consulting, Business Writing, Analysis, Data Visualization, Organizational Strategy, Organizational Effectiveness, Strategic Thinking, Competitive Analysis, Business Strategy, Presentations
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Data Pipelines, Distributed Computing, Live Streaming, Network Monitoring
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Model Training, Java Programming, Java, Feature Engineering, Machine Learning Methods, Statistical Machine Learning, Machine Learning Algorithms, Deep Learning, Data Pipelines
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Natural Language Processing, Generative Adversarial Networks (GANs), Vision Transformer (ViT), Deep Learning, Generative Model Architectures, Graph Theory, Dimensionality Reduction, Network Model, Unsupervised Learning, Model Optimization, Embeddings, Artificial Neural Networks, Machine Learning Methods, Supervised Learning, Model Evaluation, Model Training, Model Deployment, Flask (Web Framework)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Engineering Tools, Prompt Patterns, Multimodal Prompts, Generative AI, OpenAI API, Generative Model Architectures, AI Integrations, AI Workflows, Tool Calling, AI powered creativity, AI Personalization, Data Analysis Software, Test Automation, File I/O
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Business Valuation, Financial Statement Analysis, Financial Forecasting, Financial Statements, Financial Accounting, Financial Reporting, Financial Data, Forecasting, Financial Analysis, Financial Modeling, Cash Flow Forecasting, Analysis, Generally Accepted Accounting Principles (GAAP), Finance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Regression Analysis, Statistical Methods, Model Training, Data Visualization, Statistical Modeling, Plot (Graphics), Feature Engineering, Model Optimization, Predictive Modeling, Data Analysis, R Programming, Supervised Learning, Correlation Analysis, Probability & Statistics, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Distributed Computing, Control Panels, System Configuration
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Version Control, Test Script Development, Software Versioning, Continuous Integration, File I/O, Test Tools, Continuous Delivery, Functional Testing, Automation, Scripting, UI Components, Code Reusability, Hypertext Markup Language (HTML), Software Design Patterns, Development Environment, Integrated Development Environments, Command-Line Interface, Package and Software Management
Beginner · Specialization · 3 - 6 Months