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.

Skillshare
Skills you'll gain: Video Editing, Animations, Timelines, Post-Production, Storytelling, Motion Graphics, Videography, Color Theory, Photo/Video Production and Technology, Color Matching, Video Production, Visual Storytelling, System Configuration, Editing, Cinematography, Image Quality, Data Import/Export, Music, Knowledge of Apple Software, File Management
★ 4.2 (32) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Quantum computing, Computer Programming, Software Installation, Computational Logic, Development Environment, Package and Software Management, Jupyter
★ 4.4 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Artificial Neural Networks, Deep Learning, Predictive Modeling, Time Series Analysis and Forecasting, Natural Language Processing, Model Training, Model Evaluation, Data Preprocessing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Office, Technical Documentation, Document Management, Business Writing, Visualization (Computer Graphics), Data Management, Business Communication, Business Development
★ 4.6 (60) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Marketing Automation, Digital Marketing Tools, Marketing Analytics, Data-Driven Marketing, Digital Marketing, MarTech, Predictive Analytics, Digital Marketing Campaigns, Advanced Analytics, Predictive Modeling, AI Personalization, Marketing Channel, Data Analysis, Natural Language Processing, Data Ethics, Artificial Intelligence, Ethical Standards And Conduct, Machine Learning
★ 4.8 (67) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Model Evaluation, Decision Intelligence, AI Product Strategy, Performance Metric, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Performance Measurement, AI literacy, Strategic Leadership, Responsible AI, Machine Learning Algorithms, Data Quality, Machine Learning Methods, AI Workflows, Model Deployment, Data Ethics, Machine Learning, Algorithms, Classification Algorithms, Data Validation
★ 4.8 (25) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: General Data Protection Regulation (GDPR), Case Law, Information Privacy, Court Systems, Law, Regulation, and Compliance, European History, Ancient History, Data Security, Regulation and Legal Compliance, Data Sharing
★ 4.4 (98) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, Loan Origination, General Lending, Lending and Underwriting, Loan Documentation, Data Ethics, Generative AI Agents, Workflow Management, Generative AI, Regulatory Compliance, AI Integrations, AI Enablement, Customer Communications Management, Loans, Customer experience improvement, Credit Risk, Document Management, Financial Services, Business Process Automation, Customer Inquiries
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Global Marketing, Brand Management, Marketing, Brand Strategy, Strategic Marketing, Marketing Management, Brand Marketing, Branding, Customer Relationship Management, Marketing Planning, Marketing Strategy and Techniques, Marketing Strategies, Digital Media Strategy, Customer Relationship Building, Customer Retention, Online Advertising, Digital Advertising, Digital Marketing, Marketing Communications, Marketing Channel
★ 4.8 (140) · Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Responsible AI, Generative AI, Data Ethics, AI literacy, Artificial Intelligence, Risking, Critical Thinking, Problem Solving
★ 4.8 (162) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Work Breakdown Structure, Calendar Management, Timelines, Project Schedules, Scheduling, Project Planning, Project Management Software, Project Management, Resource Management, Relationship Management, Dependency Analysis, Data Visualization, Data Import/Export
★ 4.7 (73) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Data-Driven Decision-Making, Data Analysis, Statistical Reporting, Data Management, Data Literacy, Analysis, Analytical Skills, Statistical Inference, Team Management, Statistical Modeling, Data Synthesis, Data Presentation, Team Leadership, Statistical Methods, Communication, Model Evaluation
★ 4.6 (104) · Mixed · Course · 1 - 4 Weeks