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.

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Theoretical Computer Science, Probability, Video Game Development, Bioinformatics, Interactive Design, Animation and Game Design, Python Programming, Data Analysis, Program Development, UI Components, Computer Programming
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Agentic systems, Retrieval-Augmented Generation, Vector Databases, Agentic Workflows, Generative AI Agents, MongoDB, Model Context Protocol, Scalability, Embeddings, AI Workflows, Node.JS, PostgreSQL, Data Integration, Database Management, API Design, Data Transformation, Data Structures, Data Storage, Software Installation
Advanced · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Business Writing, Business Correspondence, Interviewing Skills, Business Communication, Case Studies, Business Ethics, Data Visualization, Oral Expression, English Language, Language Competency, Presentations, Target Audience, Report Writing, Writing, Business Analysis, Analysis, Communication Strategies, Verbal Communication Skills, Intercultural Competence, Communication
Beginner · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Recruitment, Talent Recruitment, Talent Pipelining, Professional Networking, Recruitment Strategies, Full Cycle Recruitment, Relationship Building, Talent Sourcing, Performance Metric, Applicant Tracking Systems, Job Analysis, Talent Acquisition, Consultative Approaches, Process Improvement, Change Management, Performance Improvement, Performance Reporting, Market Research, Key Performance Indicators (KPIs), Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operational Databases, Database Architecture and Administration, Relational Databases, Database Design, Database Management, Data Migration, Google Cloud Platform, Distributed Computing, Disaster Recovery, Performance Tuning, Scalability, Cloud Computing Architecture, Data Integrity, Capacity Management, Transaction Processing, IT Automation, System Monitoring, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Process Analysis, Process Improvement, Process Improvement and Optimization, Business Process, Process Optimization, Business Process Modeling, Process Management, Process Mapping, Data Transformation, Business Process Improvement, Business Workflow Analysis, Process Modeling, Performance Analysis, Process Flow Diagrams, Performance Measurement, Simulation and Simulation Software, Performance Metric, Automation
Build toward a degree
Beginner · Course · 1 - 3 Months

British Standards Institution
Skills you'll gain: Responsible AI, AI Security, Data Ethics, Risk Management Framework, Data Governance, Risk Management, Compliance Management, Regulatory Compliance, Governance Risk Management and Compliance, Compliance Training, Risk Analysis, Information Privacy, Artificial Intelligence, Law, Regulation, and Compliance, Quality Management Systems, Accountability Frameworks, AI literacy, Governance, Trustworthiness, Auditing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Convolutional Neural Networks, Transfer Learning, Image Analysis, Model Training, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Social Media Analytics, Network Analysis, Data Analysis, Analytical Skills, Statistical Analysis, Social Sciences, Research, Data Collection, AI Personalization, Sociology, Data Transformation, Persuasive Communication, Application Programming Interface (API), Extract, Transform, Load, Media and Communications, Scripting, Psychology
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Programming Principles, Algorithms, C (Programming Language), Computer Programming, Program Development, Problem Solving, Solution Design, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Manipulation, Jupyter, Exploratory Data Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Data Preprocessing, Exploratory Data Analysis, Feature Engineering, Model Deployment, Data Analysis, PySpark, Model Training, Data Cleansing, Data Import/Export, Data Transformation, Apache Spark, Data-Driven Decision-Making, AI Enablement, Decision Tree Learning, Predictive Modeling, Predictive Analytics, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours