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: Lean Six Sigma, Six Sigma Methodology, Process Improvement and Optimization, Quality Improvement, Lean Manufacturing, Continuous Improvement Process, Data-Driven Decision-Making, Business Process, Process Analysis, Process Mapping, Business Analysis, Benchmarking, Root Cause Analysis, Stakeholder Engagement, Performance Measurement, Stakeholder Management, Project Management
★ 4.4 (34) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Responsible AI, Large Language Modeling, AI literacy, Generative AI, AI Personalization, AI powered creativity, Artificial Intelligence, Email Automation, LLM Application, Data Ethics, ChatGPT, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Content Creation, Personal Development, Productivity, Photo/Video Production and Technology, Creative Thinking, Organizational Skills
★ 4.8 (95) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Vibe coding, Model Context Protocol, Context Management, Context Engineering, AI Workflows, Integrated Development Environments, AI Integrations, Software Installation, Agentic Workflows, Code Review, System Configuration, Debugging, Generative AI Agents, Web Development Tools, Software Development, User Interface (UI), Web Development
★ 4.3 (182) · Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, UI Components, Unit Testing, Mobile Development Tools, Code Reusability, JavaScript Frameworks, Frontend Integration, Webpack, Front-End Web Development, Application Development, Software Design Patterns, Javascript, Web Applications, Dataflow, Data Access, Hypertext Markup Language (HTML), Data Sharing, User Interface (UI)
★ 4.7 (3.7K) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Descriptive Statistics, Linear Algebra, Exploratory Data Analysis, Data-Driven Decision-Making, Data Analysis, Bayesian Statistics, Artificial Intelligence, Probability, Regression Analysis, Calculus, Mathematical Software, Advanced Mathematics, Applied Mathematics, Probability Distribution, Mathematical Modeling, Model Optimization, Integral Calculus, Algebra, Machine Learning Algorithms, Dimensionality Reduction
★ 4.9 (11) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, AI Orchestration, Application Programming Interface (API), Prompt Patterns, Prompt Engineering Tools, LLM Application, JSON, AI Integrations, Generative AI Agents, AI literacy, Tool Calling, Generative AI, Scripting, Token Optimization, Document Management, Agentic systems
★ 3.7 (27) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, SAS (Software), Correlation Analysis, Statistical Software, Statistical Modeling, Regression Analysis, Exploratory Data Analysis, Statistical Methods, Statistical Inference, Probability & Statistics, Analysis, Graphical Tools, Predictive Modeling, Predictive Analytics, Model Evaluation
★ 4.7 (176) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Python Programming, Statistical Modeling, Supervised Learning, Machine Learning, Agentic systems, Artificial Intelligence, Model Optimization, Algorithms, AI literacy
★ 4.5 (60) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Star Schema, Microsoft Power Platform, Data Analysis Expressions (DAX), Data Storytelling, Microsoft Power Automate/Flow, Dashboard Creation, Dashboard, Microsoft Excel, Excel Formulas, Power BI, Data-Driven Decision-Making, Microsoft Copilot, Data Presentation, Power Platform Architecture & Technical Design, Spreadsheet Software, Data Modeling, Data Visualization, Data Analysis, Business Intelligence
★ 4.4 (859) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Google Analytics, Ad Hoc Reporting, Performance Reporting, Web Analytics, Marketing, Web Development
★ 4.5 (171) · Intermediate · Guided Project · Less Than 2 Hours

Imperial College London
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Model Evaluation, Deep Learning, Image Analysis, Model Training, Convolutional Neural Networks, Transfer Learning, Computer Programming, Model Optimization, Applied Machine Learning, Supervised Learning, Computer Vision, Artificial Neural Networks, Data Persistence
★ 4.9 (582) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Threat Detection, Event Monitoring, Security Information and Event Management (SIEM), Incident Management, Cyber Threat Intelligence, Continuous Monitoring, Security Controls, Network Security, Network Monitoring, Splunk, Network Analysis, TCP/IP, Network Protocols, Document Management, Query Languages
★ 4.8 (3.4K) · Beginner · Course · 1 - 4 Weeks