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.

Skills you'll gain: Video Editing, Animations, Timelines, Motion Graphics, Post-Production, Videography, Video Production, Photo/Video Production and Technology, System Configuration, Editing, Data Import/Export, Color Matching, File Management, Performance Tuning
★ 4.1 (25) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Medical Privacy, Medical Office Procedures, Medical Records, Electronic Medical Record System, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management and Medical Records, Electronic Medical Record, Patient Registration, Medical History Documentation, Medical Assistance, Record Keeping, Records Management, Information Privacy
★ 4.7 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, AI Personalization, Data Ethics, Personally Identifiable Information, Information Privacy, Persona (User Experience), User Research, Multimodal Prompts, AI literacy, Persona Development, User Experience Design, Artificial Intelligence, Human Centered Design, Ethical Standards And Conduct, User Centered Design
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Model View Controller, Application Deployment, Cascading Style Sheets (CSS), UI Components, Application Frameworks, Frontend Performance, Data Transformation, Server Side, User Interface (UI), Dataflow, Front-End Web Development, Hypertext Markup Language (HTML), Restful API, Code Reusability, Web Applications, Software Architecture, Maintainability, Web Development
★ 4.3 (63) · Beginner · Specialization · 1 - 3 Months

KodeKloud
Skills you'll gain: Network Support, Network Administration, DevOps, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Cloud Applications, Development Environment, Virtualization and Virtual Machines, Virtual Machines, Virtual Environment, Virtualization, Dependency Analysis, Software Development
★ 4.7 (117) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, AI powered creativity, Generative AI, Adobe Photoshop, Image Quality, Data Import/Export, Adobe Creative Cloud, Graphics Software, Graphic Design
★ 4.7 (53) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Fine-tuning, Model Optimization, Model Training, Generative AI, Model Evaluation, Large Language Modeling, Version Control, Performance Tuning, Development Environment, Data Preprocessing, Natural Language Processing, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Market Data, Google Sheets, Data Import/Export, Equities, Financial Modeling, Financial Analysis, Financial Market
★ 4.5 (211) · Advanced · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Reinforcement Learning, Agentic systems, Model Training
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Microsoft Excel, Excel Formulas, Scatter Plots, Plot (Graphics), Spreadsheet Software, Data Preprocessing, Data Visualization, Data Wrangling, Data Analysis, Data Manipulation, Feature Engineering
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, GitHub, Jupyter, Git (Version Control System), Generative AI, Software Documentation
Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Positive Behavior Support, Speech Therapy, Behavior Management, Autism Spectrum Disorders, Education and Training, Communication Strategies, Social Skills, Interpersonal Communications, Mental and Behavioral Health, Teaching, Communication, Learning Theory, Child Development, Classroom Management, Training Programs, Instructional Strategies, Developmental Disabilities, Proactivity, Data Collection, Learning Strategies
★ 4.7 (24) · Beginner · Specialization · 1 - 3 Months