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: Data Analysis Expressions (DAX), Dashboard, Dashboard Creation, Power BI, Data Visualization, Data Transformation, Data Manipulation, Data Modeling, Data Presentation, Data Import/Export, Data Wrangling, Data Visualization Software, Data Analysis, Analytics, Data Cleansing, Data Security, Data Management
★ 4.3 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Epic EMR, Health Informatics, Data Mapping, Clinical Data Management, Data Dictionary, Clinical Documentation, Data Analysis, Electronic Medical Record, Extract, Transform, Load, Data Integrity, Data Import/Export, Data Access
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Star Schema, Data Governance, Database Design, Data Integrity, Operational Data Store, Snowflake Schema, SQL, Relational Databases, Query Languages, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Star Schema, Data Infrastructure, Data Governance, Data Modeling, Data Strategy, Data Architecture, Data Migration, Database Design, Correlation Analysis, Stored Procedure, Data Pipelines, Data Lakes, Infrastructure as Code (IaC), Data Validation, Disaster Recovery, Role-Based Access Control (RBAC), Compliance Auditing, CI/CD, Resource Management, Performance Management
Advanced · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Algebra, Numerical Analysis
★ 4.5 (189) · Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Correlation Analysis, Predictive Modeling, Data Collection, Regression Analysis, Data Science, Forecasting, Data Analysis, Statistical Modeling, Data Preprocessing
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Market Data, Market Share, Market Trend, Market Opportunities, Forecasting, Market Analysis, Competitive Analysis, Market Research, Market Intelligence, Go To Market Strategy, Time Series Analysis and Forecasting, Growth Strategies, Data Analysis, Data Visualization, Data-Driven Decision-Making, Data Presentation, Data Storytelling, Quantitative Research, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Maintenance, Data Quality, Data Cleansing, Model Training, Computer Vision, Data Visualization, Data Preprocessing, Deep Learning, Image Analysis, Model Evaluation, Model Optimization, AI Workflows, Verification And Validation, Exploratory Data Analysis
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, AI Personalization, Data Engineering, Context Engineering, AI Orchestration, System Monitoring, Generative AI, Data Processing, AI Workflows, Extract, Transform, Load, Scalability, Large Language Modeling, Data Architecture, Data Pipelines, Embeddings, Continuous Monitoring, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Data Visualization Software, Storytelling, Visual Storytelling, Data Integrity, Driving engagement, Presentations, Microsoft Excel, Design Elements And Principles
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

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

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File Management, Development Environment, Programming Principles, Problem Solving
★ 4.6 (106) · Beginner · Course · 1 - 4 Weeks