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: Market Share, Market Opportunities, Market Analysis, Market Trend, Quantitative Research, Trend Analysis, Market Research, Data Visualization, Market Data, Data Literacy, Data Storytelling, Performance Analysis, Analytical Skills, Key Performance Indicators (KPIs), Business Development, Performance Measurement, Gap Analysis, Variance Analysis, Business Strategy, Business Planning
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Event-Driven Programming, UI Components, Web Development Tools, Code Reusability, Front-End Web Development, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Unit Testing, Application Development, Software Design Patterns, Javascript, Development Environment, Context Management, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Dataflow
★ 4.7 (3.7K) · Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Spreadsheet Software, Financial Modeling, Predictive Modeling, Regression Analysis, Statistical Modeling, Data Modeling, Financial Forecasting, Excel Formulas, Risk Modeling, Business Modeling, Simulation and Simulation Software, Microsoft Excel, Google Sheets, Probability Distribution, Analysis, Forecasting, Predictive Analytics, Risk Analysis, Statistical Methods, Data Analysis Software
★ 4.2 (3.9K) · Mixed · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Embedded Software, Embedded Systems, Electrical Systems, Cybersecurity, Program Development, Automation, Electronics, Sustainable Technologies, Control Systems, Electronic Hardware, Internet Of Things, Software Development
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Social Media Analytics, Network Analysis, Data Analysis, Analytical Skills, Statistical Analysis, Social Sciences, Research, Data Collection, AI Personalization, Sociology, Data Transformation, Persuasive Communication, Application Programming Interface (API), Extract, Transform, Load, Media and Communications, Scripting, Psychology
Intermediate · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Debugging, Computational Thinking, Programming Principles, Data Structures, Computer Programming, Program Development, Computer Science, Python Programming, Algorithms, Code Reusability
★ 4.9 (7.5K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, MLOps (Machine Learning Operations), Systems Architecture, Model Evaluation, Feature Engineering, AI Integrations, Image Analysis, Model Training, Model Deployment, Extract, Transform, Load, Systems Design, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Apache Spark, Natural Language Processing, Pandas (Python Package), Cloud Deployment, Machine Learning, Computer Vision, Computational Thinking
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Cleansing, Logistic Regression, Data Preprocessing, Applied Machine Learning, Data Import/Export, Data Mining, Python Programming, Data Access, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Classification Algorithms, Machine Learning, Supervised Learning
★ 4.2 (57) · Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Databricks, Model Deployment, Generative AI, Data Lakes, Extract, Transform, Load, MLOps (Machine Learning Operations), Data Transformation, LLM Application, Data Pipelines, Hugging Face, Large Language Modeling, Apache Spark, Responsible AI, Analytics, Data Analysis, Data Processing, Data Science, Machine Learning
★ 3.9 (12) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: GitHub Copilot, Vibe coding, Model Context Protocol, GitHub, Code Review, AI Personalization, Prompt Patterns, Context Engineering, Prompt Engineering, Context Management, Agentic Workflows, Software Development, Web Development, Software Installation, Agentic systems
★ 4.6 (34) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Postman API Platform, Personalized Campaigns, API Testing, Marketing Automation, Content Management Systems, Application Programming Interface (API), Drupal, Restful API, Data Mapping, Workflow Management, Data Integration, Security Controls, Compliance Management, Data Security
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Machine Learning Methods, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Industry Knowledge, Model Training, Health Disparities, Clinical Informatics, Artificial Intelligence, Health Informatics, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Model Evaluation, Health Technology, Health Policy, Decision Intelligence, AI Integrations, Data Analysis
★ 4.3 (7) · Intermediate · Course · 1 - 4 Weeks