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.

Johns Hopkins University
Skills you'll gain: Program Evaluation, Health Equity, Data Collection, Institutional Review Board (IRB), Public Health, Research Design, Nutritional Assessment, Policy Analysis, Healthcare Ethics, Social Impact, Research, Surveys, Family Planning, Health Disparities, Maternal Health, Statistical Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Workflow Management, Spreadsheet Software, Project Management Software, Data Entry, Automation, Data Management, Document Management, Collaborative Software, Data Sharing, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Prompt Engineering, Agentic systems, Prompt Patterns, AI Workflows, Generative AI Agents, AI Personalization, Context Engineering, AI literacy, Human Computer Interaction, Human Centered Design, Responsible AI, Experience Design, User Flows, Design Strategies
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Electronics Engineering, Electrical Engineering, 3D Modeling, Electronics, Electronic Components, Simulation and Simulation Software, 3D Assets, Simulations, Design Software, Verification And Validation, Open Source Technology, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Office, Data Sharing, Document Management, Collaborative Software, User Accounts, Web Content Accessibility Guidelines, Content Management
Beginner · Guided Project · Less Than 2 Hours

HubSpot Academy
Skills you'll gain: Sales Presentation, Sales Management, Sales Enablement, HubSpot CRM, Data Visualization, Prospecting and Qualification, Sales Presentations, Sales Development, Persona Development, Sales Process, Sales Training, Inside Sales, Sales Strategy, Data Storytelling, Employee Onboarding, Service Level Agreement, Sales Prospecting, Sales, Employee Coaching, Target Audience
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Process Mapping, Lean Six Sigma, Six Sigma Methodology, Quality Management, Process Analysis, Quality Improvement, Quality Monitoring, Data-Driven Decision-Making, Process Flow Diagrams, Pareto Chart, Run Chart, Statistical Process Controls, Process Improvement, Statistical Analysis, Product Quality (QA/QC), Process Improvement and Optimization, Quality Assessment, Quality Control, Data Analysis, Data Analysis Software
Mixed · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Matlab, Data Visualization, Model Optimization, Scientific Visualization, Artificial Intelligence and Machine Learning (AI/ML), Mathematical Software, Data Literacy, Data Wrangling, Data Preprocessing, Mathematical Modeling, Engineering Analysis
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Business Leadership, Dashboard Creation, Strategic Leadership, Prompt Engineering Tools, Project Management, Generative AI Agents, AI powered creativity, ChatGPT, Generative AI, Email Marketing, Digital Marketing, Leadership and Management, Artificial Intelligence and Machine Learning (AI/ML), Deepseek, Artificial Intelligence, Initiative and Leadership, Responsible AI, Business, Business Operations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Integrated Development Environments, Scripting, Maintainability, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), File Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Social Media Content, Social Media, Presentations, Social Media Marketing, Content Creation, Instagram, Facebook, Content Marketing, LinkedIn, Marketing Materials, Digital Marketing, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Technical Communication, LLM Application, Debugging, Root Cause Analysis, Pandas (Python Package), Large Language Modeling, Retrieval-Augmented Generation, Business Metrics, Data Analysis, Analysis, Data Manipulation, Generative AI, Artificial Intelligence, Correlation Analysis
Intermediate · Course · 1 - 4 Weeks