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.

Microsoft
Skills you'll gain: Generative AI, Microsoft Copilot, Generative Model Architectures, Generative Adversarial Networks (GANs), Natural Language Processing, Data Quality, Anomaly Detection, AI literacy, Data Storytelling, Responsible AI, Data Visualization, Data Ethics, Data-Driven Decision-Making, Data Presentation, Data Pipelines, Data Cleansing, Data Visualization Software, Data Preprocessing, Data Science, Critical Thinking
Beginner · Specialization · 1 - 3 Months
Duke University
Skills you'll gain: Data Storytelling, Dashboard, Data Presentation, Tableau Software, Dashboard Creation, Data Visualization, Business Analytics, Interactive Data Visualization, Statistical Visualization, Process Improvement, Business Process, Business Process Improvement, Presentations, Data Visualization Software, Oral Expression, Data Analysis, Graphing, Analysis, Visualization (Computer Graphics), Stakeholder Communications
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Database Software, Databases, Database Management, SQL, Query Languages, Data Analysis, Data Science, Statistical Analysis
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Looker (Software), Responsible AI, Data Lakes, Data Storytelling, Data Governance, Gemini, Data Visualization, Dashboard Creation, Dashboard, Interactive Data Visualization, Data Presentation, Data Architecture, Data Pipelines, Data Visualization Software, Data Management, Cloud Infrastructure, Google Gemini, Data Infrastructure, Cloud Storage, Identity and Access Management
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R (Software), Data Wrangling, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Pivot Tables And Charts, Dashboard, Dashboard Creation, Microsoft Excel, Financial Modeling, Excel Macros, Data Presentation, Interactive Data Visualization, Data Import/Export, Data Visualization, Spreadsheet Software, Data Modeling, Data Literacy, Forecasting, Workflow Management, Statistical Methods, Excel Formulas, Simulation and Simulation Software, Data Storytelling, Data Analysis
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Machine Learning Methods, Deep Learning, Machine Learning, Machine Learning Algorithms, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Program Development
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Business Intelligence, Data Storytelling, Business Analytics, Data Modeling, Data Visualization Software, Dashboard, Interactive Data Visualization, Data Visualization, Dashboard Creation, Data-Driven Decision-Making, Data Analysis, Data Wrangling, Data Cleansing, Data Preprocessing, Data Transformation, Extract, Transform, Load, Data Integration, Exploratory Data Analysis, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Market Data, Data Ethics, Financial Data, Investments, Data Collection, Due Diligence, Financial Services, Big Data, Analytics, Investment Management, Data-Driven Decision-Making, Financial Market, Business Ethics, Data Quality, Corporate Sustainability, Financial Industry Regulatory Authorities, Sustainable Business, Portfolio Management, Accountability
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Data Strategy, Analytics, Data-Driven Decision-Making, Business Analytics, Scalability, Organizational Strategy, Data Infrastructure, Risk Management, Digital Transformation, Data Management, Large Language Modeling, Business Risk Management, Generative AI, Generative Model Architectures, Artificial Intelligence and Machine Learning (AI/ML), Competitive Analysis, Case Studies, AI Integrations
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Extract, Transform, Load, Data Analysis, Model Training, Data Preprocessing, Jupyter, Data Visualization, Unsupervised Learning, Applied Machine Learning, Statistical Analysis, Model Evaluation, Exploratory Data Analysis, Statistical Visualization, Machine Learning, Machine Learning Methods, Statistical Methods, Data Wrangling, Project Scoping, Business Priorities, Business Analysis, Data Manipulation
Intermediate · Professional Certificate · 3 - 6 Months