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.

Arizona State University
Skills you'll gain: Supervised Learning, Unsupervised Learning, Generative Adversarial Networks (GANs), Generative AI, Model Training, Deep Learning, Image Analysis, Machine Learning Methods, Machine Learning Algorithms, Applied Machine Learning, Python Programming, Machine Learning, Generative Model Architectures, Artificial Neural Networks, Model Evaluation, Data Processing, Classification Algorithms, Computer Vision, Computer Programming, Regression Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics, Customer Engagement, Digital Analysis, Technical Communication, Campaign Management, Analysis, Performance Metric, Data-Driven Decision-Making, Descriptive Analytics, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Inventory and Warehousing, Accounting Software, Business Reporting, Customer Data Management, Management Reporting, Financial Analysis, Billing & Invoicing, Sales Management, Balancing (Ledger/Billing), Financial Reporting, Expense Management, Financial Acumen, Payroll, Billing, Financial Statement Analysis, Cash Management, Cash Flow Forecasting, Payroll Administration
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Microsoft PowerPoint, Microsoft Teams, Microsoft Excel, Spreadsheet Software, Microsoft Word, Document Management, Taking Meeting Minutes, Business Management, Business Communication, Editing
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Unified Modeling Language, File I/O, Debugging, Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Programming Principles, System Programming, Pseudocode, Program Development, Event-Driven Programming, Diagram Design, Software Design, User Interface (UI), Data Structures, Graphical Tools
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Logo Design, Canva (Software), Marketing Design, Marketing Collateral, Marketing Materials, Advertising, Branding, Marketing, Brand Awareness, Creative Design, Promotional Materials, Graphic Design, Aesthetics, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours
Emory University
Skills you'll gain: Probability Distribution, Marketing Analytics, Probability, Microsoft Excel, Statistics, Data-Driven Marketing, Statistical Methods, Statistical Modeling, Probability & Statistics, Risk Modeling, Excel Formulas, Decision Making, Risk Management, Simulation and Simulation Software, Insurance and Warranty Claims Processing, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Market Trend, Financial Trading, Investment Management, Securities Trading, Market Dynamics, Trend Analysis, Risk Control, Financial Market, Market Data, Risk Management, Risk Modeling, Market Analysis, Investments, Capital Markets, Financial Regulations, Equities, Order Entry, Financial Systems, Business
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Token Optimization, LLM Application, Model Deployment, Model Optimization, Prompt Engineering, Performance Tuning, Performance Testing, Tool Calling, Prompt Patterns, Performance Stress Testing, A/B Testing, Application Performance Management, Retrieval-Augmented Generation, Model Evaluation, Maintainability, Site Reliability Engineering, Scalability, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Data Analysis Software, Data Entry
Beginner · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Generative AI, Content Marketing, Marketing, ChatGPT, Content Creation, AI Personalization, Strategic Marketing, Persona Development, Digital Marketing, Web Analytics and SEO, Artificial Intelligence and Machine Learning (AI/ML), Social Media Campaigns, Automation, Creativity, Ethical Standards And Conduct, Graphic and Visual Design, Analytics, Natural Language Processing, Personal Development
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
Beginner · Project · Less Than 2 Hours