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.

Duke University
Skills you'll gain: Web Scraping, Extensible Markup Language (XML), Web Development Tools, HTML and CSS, Unstructured Data, Web Applications, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Incident Response, Computer Security Incident Management, Mitigation, Cyber Threat Hunting, Digital Forensics, Cybersecurity, Security Information and Event Management (SIEM), Intrusion Detection and Prevention, Incident Management, Criminal Investigation and Forensics, Information Systems Security, Continuous Monitoring, Cyber Attacks, Computer Security, Network Security, Analysis, Network Analysis, Linux Commands, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Collaborative Software, Microsoft 365, Excel Macros, Microsoft Office, Document Management, Collaboration, Productivity Software, Microsoft Windows, Productivity, Technical Documentation, Web Content, Writing, Report Writing, Writing and Editing, Web Content Accessibility Guidelines, Editing, Business Writing, Computer Literacy, Business Communication
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Governance, Marketing Analytics, Data Visualization, Business Analytics, Data Literacy, Accounting, Infographics, Data Management, Data Collection, Data Quality, Data Visualization Software, Internal Controls, Classification Algorithms, Business Analysis, AI Personalization, Analytics, Data Analysis, Power BI, Machine Learning
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: .NET Framework, Prometheus (Software), Cloud-Native Computing, Site Reliability Engineering, Kubernetes, Data Import/Export, Application Programming Interface (API), Data Analysis Software
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: AI Security, Vulnerability Scanning, Hardening, DevSecOps, Vulnerability Assessments, Responsible AI, Identity and Access Management, MLOps (Machine Learning Operations), Infrastructure Security, Security Controls, Threat Modeling, Model Deployment, Model Evaluation, CI/CD, Continuous Monitoring, AI Personalization, Resilience, Compliance Management, Containerization, Engineering
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Statistical Inference, Econometrics, Mediation, Advanced Analytics, Statistical Analysis, Regression Analysis, Time Series Analysis and Forecasting, Statistical Methods, Statistical Modeling, Research Design
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Experimentation, Research Design, Statistical Analysis, Data Ethics, Statistical Modeling, Data Science, A/B Testing, Data Analysis, Quantitative Research, Regression Analysis, Statistical Inference, Probability & Statistics, Sample Size Determination, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Competitive Analysis, Market Research, User Story, User Interface (UI), Product Roadmaps, Competitive Intelligence, AI Product Strategy, Usability, Persona Development, Product Development, Market Analysis, Product Management, Product Lifecycle Management, Design Thinking, User Interface (UI) Design, Market Opportunities, Quality Assurance and Control, Technology Roadmaps, Product Strategy, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: AI Security, LLM Application, Cyber Security Assessment, Large Language Modeling, Continuous Monitoring, Security Testing, Responsible AI, Threat Modeling, Vulnerability Assessments, Prompt Engineering, Security Controls, Penetration Testing, Vulnerability Scanning, Security Strategy, AI Personalization, Scenario Testing, System Implementation
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Prioritization, Productivity, Time Management, Professional Development, Personal Development, Stress Management, Strategic Prioritization, Organizational Skills, Business Priorities, Scheduling, Self-Starter, Strong Work Ethic, Decision Making, Data-Driven Decision-Making
Mixed · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Model Evaluation, Predictive Modeling, Model Deployment, Predictive Analytics, R Programming, Data Analysis, Statistical Analysis, Data Cleansing, Applied Machine Learning, Data Manipulation, Tidyverse (R Package), Classification Algorithms, Risk Modeling, Data Preprocessing, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours