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.

Skills you'll gain: 3D Modeling, SketchUp (3D Modeling Software), Computer Graphics, Visualization (Computer Graphics), Design Software, Product Design, Graphic Design
★ 4.5 (367) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Financial Data, Financial Analysis, Analytics, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Context Engineering, Agentic systems, LLM Application, Prompt Patterns, AI Enablement, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Prompt Engineering Tools, Prompt Engineering, AI Personalization, ChatGPT, Multimodal Prompts, Anthropic Claude, AI Product Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data-Driven Decision-Making, Project Performance, Product Improvement
★ 4.8 (31) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, LangChain, ChatGPT, Prompt Patterns, OpenAI, Generative AI, Multimodal Prompts, LLM Application, AI powered creativity, Generative Model Architectures, Large Language Modeling, AI Workflows, Token Optimization, Application Programming Interface (API), Application Development, Image Quality
Intermediate · Course · 3 - 6 Months

Unilever
Skills you'll gain: Web Analytics, Social Media Campaigns, Campaign Management, Web Analytics and SEO, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Social Media, Campaign Planning, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
★ 4.8 (64) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: File Systems, Endpoint Security, Linux, Operating System Administration, Microsoft Windows, Windows PowerShell, Linux Administration, Windows Servers, Operating Systems, Security Software, Linux Commands, File Management, Network Administration, Active Directory, System Monitoring, System Configuration, OS Process Management, Network Security, Command-Line Interface, Malware Protection
★ 4.8 (67) · Mixed · Course · 1 - 4 Weeks
Emory University
Skills you'll gain: Customer Analysis, Statistical Analysis, Target Market, Marketing Analytics, Market Analysis, Customer Insights, Market Research, Data Analysis, Data Analysis Software, Strategic Marketing, Business Research, Correlation Analysis, Marketing, Marketing Strategies, Exploratory Data Analysis, Data-Driven Decision-Making, Branding, Marketing Strategy and Techniques, Consumer Behaviour, Model Evaluation
★ 4.5 (124) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Network Architecture, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Applications, Cloud Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Services, System Monitoring, Cloud Security, Cloud Deployment, Application Security, Internet Of Things, Software Development Tools, Artificial Intelligence, Key Management
★ 4.7 (545) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Programming Principles, Computer Programming, Code Reusability, Python Programming, Program Development, Software Installation, Computational Logic, IT Automation, Computational Thinking, Data Storage, Development Environment
★ 4.8 (106) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Integration, Data Pipelines, Business Logic, Data Processing, Java, Data Import/Export, Data Transformation, Software Documentation
Mixed · Course · 1 - 4 Weeks