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.

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Conversion Funnel Analysis, Google Analytics, Marketing Analytics, Data-Driven Marketing, Customer Analysis, Campaign Planning, Target Audience, Trend Analysis, Sprint Retrospectives, Marketing Effectiveness, Web Analytics, Campaign Management, Marketing Operations, Content Performance Analysis, Spreadsheet Software, Digital Analysis, Product Marketing, Competitive Analysis, Performance Management, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: R (Software), Data Manipulation, Web Scraping, R Programming, Data Analysis, Data Science, Data Structures, Data Import/Export, Programming Principles, Jupyter, File I/O, Integrated Development Environments, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Big Data, Data Processing, Data Analysis, Analysis
Beginner · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: Data Storytelling, Active Listening, Business Writing, Data Visualization, Concision, Data Presentation, Sales Presentation, Non-Verbal Communication, Sales Strategy, Sales Presentations, Customer Relationship Management (CRM) Software, Writing, Persuasive Communication, Team Collaboration, Virtual Teams, Storytelling, Communication, Verbal Communication Skills, Marketing Communications, Communication Strategies
Intermediate · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Decision Making, Systems Thinking, Dealing With Ambiguity, Cost Benefit Analysis, Problem Solving, Decision Support Systems, Resource Allocation, Planning, Return On Investment, Self-Awareness, Goal Setting, Analysis, Record Keeping
Beginner · Specialization · 1 - 3 Months

Stanford Online
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Bioinformatics, Theoretical Computer Science, Social Network Analysis, Network Analysis, Network Routing, Computational Thinking, Mathematical Theory & Analysis, Analysis, Probability & Statistics, Probability, Design Strategies, Computer Science, Logical Reasoning
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Machine Learning Algorithms, Data Literacy, Unsupervised Learning, Data Science, Applied Machine Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Data Lakes, Data Engineering, Decision Intelligence, Database Architecture and Administration, Data Infrastructure, Systems Architecture, Data Warehousing, Enterprise Architecture, Solution Architecture, Dataflow, Data Pipelines, Data Governance, AI Workflows, AI Integrations, Vector Databases, Data Integrity, Site Reliability Engineering, Responsible AI, Requirements Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Exploratory Data Analysis, Generative Model Architectures, Generative Adversarial Networks (GANs), Data Ethics, Feature Engineering, Predictive Modeling, Responsible AI, Data Science, Data Synthesis, Data Analysis, Data Visualization Software, Autoencoders
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Data Presentation, Responsible AI, Prompt Engineering, Prompt Patterns, Data Analysis, Spreadsheet Software, AI Enablement
Beginner · Course · 1 - 4 Weeks