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.

Northeastern University
Skills you'll gain: Medical Privacy, Health Informatics, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Digital Transformation, Health Systems, Health Administration, Health Technology, Health Care, Health Care Procedure and Regulation, Emerging Technologies, Information Privacy, Data Management, Technology Strategies, Cybersecurity, Data Security, Security Strategy, Innovation, Data Integration
★ 4.9 (17) · Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Prompt Engineering, Fine-tuning, Generative AI Agents, Retrieval-Augmented Generation, CrewAI, AI Orchestration, Prompt Engineering Tools, AI Enablement, Vector Databases, Agentic Workflows, AI Workflows, Model Deployment, AI Personalization, Generative AI, Transfer Learning, Agentic systems, MLOps (Machine Learning Operations), Python Programming, System Monitoring, Engineering
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Data Manipulation, Statistical Analysis, R (Software), Analytical Skills, Ggplot2, Data Storytelling, R Programming, Statistical Methods, Data Wrangling, Data Transformation, Quantitative Research, Data Visualization Software, Data Science, Applied Machine Learning, Data Preprocessing, Probability & Statistics, Scatter Plots, Business Analytics, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Microsoft Office
★ 4.8 (29) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Architecture, Data Infrastructure, LLM Application, Data Quality, AI Workflows, Generative AI, Data Governance, Data Pipelines, Extract, Transform, Load, Distributed Computing, AI Integrations, Data Management, Self Service Technologies, Cloud Storage, Data Processing, Data Storage, Scalability, Data Wrangling, Data Collection
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Algebra, Calculus, Applied Mathematics, Graphing, General Mathematics, Data Science, Numerical Analysis, Mathematical Theory & Analysis, Derivatives
★ 4.6 (265) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Seaborn, Plot (Graphics), Matplotlib, Scatter Plots, Statistical Visualization, Data Visualization, Data Presentation, Data Visualization Software, Box Plots, Descriptive Statistics, Exploratory Data Analysis, Statistical Analysis
★ 4.4 (22) · Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Statistical Methods, Regression Analysis, Plot (Graphics), Data Cleansing, Statistical Hypothesis Testing, Correlation Analysis, Data Preprocessing, Matplotlib, Data Wrangling, Data Visualization, Statistical Analysis, Data Processing, Statistics, Analytics, Statistical Modeling, R Programming, Data Analysis, Statistical Inference, Pandas (Python Package), Python Programming
★ 4.4 (204) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Programming Principles, Computer Programming, Theoretical Computer Science, Computational Thinking, Javascript, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS SageMaker, AI Integrations, Amazon Web Services, AI Security, AI Enablement, DevOps, IT Automation, Devops Tools, AI Workflows, AWS CloudFormation, AI literacy, Vulnerability Scanning, Artificial Intelligence, Secure Coding, Generative AI Agents, Generative AI, Application Security, Responsible AI, Extract, Transform, Load, Building Codes
Intermediate · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Dashboard Creation, Excel Macros, Microsoft 365, Data Visualization, Pivot Tables And Charts, Spreadsheet Software, Productivity, AI literacy, Productivity Software, Data Analysis, Data-Driven Decision-Making, Workflow Management, Generative AI Agents, Artificial Intelligence, Customer Data Management, Generative AI, Data Management, Leadership Development
★ 4.9 (21) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Structures, Data Access, Python Programming, Data Management
Beginner · Course · 1 - 3 Months