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: Power BI, Dashboard, Dashboard Creation, Data Storytelling, Key Performance Indicators (KPIs), Business Reporting, Data Visualization, Performance Reporting, Business Intelligence, Interactive Data Visualization, Data Visualization Software, Performance Measurement, Performance Metric, Performance Analysis, Sales, Business Metrics, Data Import/Export, Trend Analysis, Color Theory
★ 4.7 (110) · Beginner · Guided Project · Less Than 2 Hours

University of Alberta
Skills you'll gain: Reinforcement Learning, Systems Development, Solution Architecture, Machine Learning Methods, Model Training, Model Evaluation, Agentic systems, Artificial Neural Networks, Machine Learning, Model Optimization, Machine Learning Algorithms, Markov Model, Feature Engineering, Algorithms, Performance Tuning
★ 4.7 (653) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, ChatGPT, Agentic Workflows, Prompt Patterns, Generative AI Agents, Generative AI, AI Workflows, AI Enablement, Agentic systems, Strategic Decision-Making, Business Intelligence, Business Leadership, Data-Driven Decision-Making, Automation, Organizational Leadership, Strategic Planning, Planning, Talent Acquisition, Procurement
★ 4.8 (10K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Visualization, Descriptive Statistics, Data Presentation, Statistical Hypothesis Testing, Statistical Visualization, Regression Analysis, Forecasting, Probability Distribution, Data Visualization Software, Business Analytics, Data Analysis, Statistical Analysis, Statistical Methods, Probability & Statistics, Microsoft Excel, Descriptive Analytics, Statistics, Spreadsheet Software, Predictive Analytics, Predictive Modeling
★ 4.6 (154) · Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Statistical Inference, Regression Analysis, Applied Machine Learning, Statistical Methods, Statistical Machine Learning, Statistical Analysis, Statistical Hypothesis Testing, Statistical Modeling, Machine Learning, Experimentation, Data Collection, Probability & Statistics, Research Design
★ 3.3 (107) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Large Language Modeling, LangChain, LLM Application, OpenAI API, Hugging Face, Generative AI, OpenAI, Web Applications, Application Development, Flask (Web Framework), Python Programming, Natural Language Processing, Front-End Web Development, Image Analysis, User Interface (UI)
★ 4.6 (296) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Programming Principles, Computer Science, Computer Programming, Data Manipulation, Python Programming, Computational Logic, Data Science
★ 4.8 (230) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Statistical Hypothesis Testing, Predictive Modeling, Logistic Regression, Predictive Analytics, Statistical Analysis, Model Evaluation, Statistical Modeling, Regression Analysis, Correlation Analysis, Statistical Software, Model Training, Exploratory Data Analysis, Statistical Methods, Statistical Inference, Business Analytics, Probability & Statistics, Model Deployment, Data Analysis, Supervised Learning
★ 4.6 (229) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Dashboard Creation, Dashboard, Spreadsheet Software, Business Reporting, Interactive Data Visualization, Data Visualization, Excel Formulas, Data Import/Export, Data Cleansing, Data Analysis Software, Timelines
★ 4.8 (17) · Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Storytelling, Data Literacy, Business Analytics, Presentations, Data-Driven Decision-Making, Data Analysis, Analytics, Technical Communication, Case Studies, Predictive Analytics, Correlation Analysis
★ 4.5 (521) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Analysis, Requirements Elicitation, Data Storytelling, Business Analysis Tools, Stakeholder Management, Stakeholder Analysis, Process Optimization, Requirements Management, Prompt Engineering, Business Systems Analysis, Business Requirements, Process Modeling, Process Improvement and Optimization, Data Presentation, Responsible AI, Business Process Modeling, Business Analytics, Excel Formulas, Data Cleansing, Process Analysis
★ 4.7 (14K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Software Development Life Cycle, Cloud-Native Computing, Software Architecture, Hibernate (Java), Database Design, Docker (Software), Containerization, Git (Version Control System), GitHub, Object Oriented Programming (OOP), Javascript, CI/CD, Restful API, Data Ethics, Java Programming, Model Deployment, Version Control, Database Management, Software Development, Software Design
★ 4.6 (7.9K) · Beginner · Professional Certificate · 3 - 6 Months