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: Dashboard Creation, Dashboard, Data Visualization, Data Storytelling, Data Presentation, Interactive Data Visualization, Statistical Visualization, Power BI, Data Visualization Software, Presentations, Business Intelligence, Data Analysis Expressions (DAX), Market Data, Market Analysis, Storytelling, Report Writing, Target Audience, Data Integration, Data Validation, Usability Testing
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Agentic Workflows, Data Pipelines, CI/CD, AI Workflows, Agentic systems, Technology Roadmaps, DevOps, Build Tools, Real Time Data, Development Environment, TypeScript, Data Architecture, Software Documentation, Software Development Tools, Data Processing, Computer Programming Tools, Rust (Programming Language), Package and Software Management
Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Health Policy, Data Presentation, Health Disparities, Health Equity, Health Informatics, Data Literacy, Epidemiology, Data Visualization, Data Quality, Data Storytelling, Social Determinants Of Health, Public Health, Public Health and Disease Prevention, Data-Driven Decision-Making, Policy Analysis, Health Assessment, Policy Development, Data Collection, Data Visualization Software, Diversity Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Matplotlib, Machine Learning Methods, Applied Machine Learning, Seaborn, Statistical Modeling, Data Visualization, Plot (Graphics), Regression Analysis, Machine Learning Algorithms, Pandas (Python Package), Statistical Analysis, Machine Learning, Supervised Learning, Data Science, Statistical Methods, Probability & Statistics, Python Programming, Model Training, Statistical Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Data Visualization, Dashboard Creation, Spreadsheet Software, Excel Formulas, Stakeholder Communications, Project Coordination, Project Management, Technical Communication, Operational Efficiency, Project Planning, Prioritization, Data-Driven Decision-Making, Scheduling, Decision Making, Performance Analysis, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Loss Prevention, Microsoft 365, Personally Identifiable Information, Data Governance, Records Management, Cloud Security, Information Management, Data Security, Cloud Management, Document Management, Compliance Management, Security Controls, Continuous Monitoring, Governance Risk Management and Compliance, Cloud Applications, Encryption, Regulatory Compliance, Email Security, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Algorithms, Data Structures, Computational Thinking, Computer Programming, Theoretical Computer Science, Solution Design
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Preprocessing, Feature Engineering, Data Import/Export, Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Data Literacy, Data Visualization, Data Transformation, Data Analysis, Box Plots, Model Training, Python Programming, Data Science
Advanced · Course · 1 - 3 Months

Skills you'll gain: Financial Modeling, Risk Modeling, Risk Management, Spreadsheet Software, Data Analysis, Strategic Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tidyverse (R Package), Rmarkdown, Predictive Modeling, Model Evaluation, File Management, R (Software), Data Governance, Responsible AI, Data Manipulation, R Programming, Research Reports, Metadata Management, Data Quality, Predictive Analytics, Data Wrangling, Data Ethics, Business Research, Statistical Reporting, Market Research, Statistical Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Programming Principles, Computational Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Azure DevOps, Azure DevOps Pipelines, Power BI, Model Optimization, Data Lakes, Data Architecture, Data Modeling, Performance Tuning, Development Environment, Data Warehousing, Security Controls, Data Store, Data Storage Technologies, Process Optimization, Data Security, Application Deployment, Git (Version Control System), Data Analysis, Python Programming
Intermediate · Course · 1 - 3 Months