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.

University of California, Irvine
Skills you'll gain: Social Media Analytics, Predictive Modeling, Natural Language Processing, Predictive Analytics, Social Media, Text Mining, Cloud Computing, Unstructured Data, Analytics, Business Analytics, Data Science, Data Analysis, Trend Analysis, Geospatial Information and Technology, Machine Learning Methods, Business Intelligence, Unsupervised Learning, Internet Of Things, Deep Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Object Oriented Programming (OOP), Debugging, Video Game Development, Software Design Patterns, Data Structures, C# (Programming Language), Software Design, Game Design, Prototyping, Programming Principles, Graph Theory, Code Reusability, Computer Programming, Data Management, Event-Driven Programming, Code Review, Software Architecture, Application Design
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Biostatistics, Histogram, Box Plots, Statistical Visualization, Quantitative Research, Descriptive Statistics, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Public Health, Sampling (Statistics), Sample Size Determination, Risk Analysis
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Smart Goals, Goal Setting, Interviewing Skills, Professional Networking, Artificial Intelligence and Machine Learning (AI/ML), Negotiation, Professional Development, Data Science, Artificial Intelligence, Machine Learning, Compensation and Benefits, Data Analysis, Web Presence, Recruitment, Data Literacy, Events and Conferences, Data Architecture, AI literacy, Relationship Building, Job Analysis
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Persona Development, Customer Analysis, Customer Insights, Marketing Analytics, Customer Retention, Customer Data Management, Data-Driven Marketing, Data Storytelling, Target Audience, Market Research, Revenue Management, Marketing Effectiveness, Pivot Tables And Charts, Marketing Strategies, Data Presentation, Strategic Marketing, Business Analytics, Data-Driven Decision-Making, Data Analysis, Return On Investment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Microsoft Power Automate/Flow, Microsoft Power Platform, Microsoft 365, Collaborative Software, Security Controls, Continuous Monitoring, Security Management, AI Integrations, AI Enablement, Threat Detection, Compliance Management, AI Security, Generative AI Agents, Workflow Management, Automation, Incident Response, Generative AI
Intermediate · Course · 1 - 4 Weeks
University of California, Santa Cruz
Skills you'll gain: Programming Principles, Program Development, Computational Logic, Memory Management
Beginner · Course · 1 - 3 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

DeepLearning.AI
Skills you'll gain: AI Enablement, AI Product Strategy, Responsible AI, Artificial Intelligence, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), AI Integrations, Applied Machine Learning, Artificial Neural Networks, Data Science, Deep Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: NoSQL, Operational Databases, Database Administration, Database Design, Database Architecture and Administration, Database Management, Data Migration, Google Cloud Platform, Scalability, Performance Tuning, Distributed Computing, Cloud Storage, Data Access, Cloud Security, Data Storage, Capacity Management, IT Automation, Disaster Recovery, Cloud Deployment, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Problem Solving, Interviewing Skills, Algorithms, Programming Principles, Data Structures, Event-Driven Programming, Performance Tuning, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Statistical Hypothesis Testing, Lean Six Sigma, Statistical Analysis, Continuous Improvement Process, Data Analysis, Analysis, Process Analysis, Process Improvement, Quality Improvement, Statistical Methods, Quality Monitoring, Quality Control, Process Improvement and Optimization, Root Cause Analysis, Data-Driven Decision-Making, Statistics, Statistical Inference
Beginner · Course · 1 - 3 Months