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.

Politecnico di Milano
Skills you'll gain: Data Strategy, Data Ethics, Data Sharing, Customer Data Management, Market Opportunities, Data Governance, Data Management, Data-Driven Decision-Making, Data Literacy, Advertising, Strategic Thinking, Personalized Service, Business Transformation, Innovation, Business Modeling
★ 4.9 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Storage, Data Architecture, Data Infrastructure, Cloud Security, Cloud Solutions, Database Management, Cloud Technologies, Cloud Platforms, Security Management, User Provisioning, Role-Based Access Control (RBAC), Cloud-Based Integration
★ 3.8 (10) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Applied Mathematics, Model Optimization, Estimation, Calculus, Cost Estimation, Mathematical Modeling, Derivatives, Analysis
★ 4.7 (62) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Systems, Software Architecture, Distributed Computing, Data Architecture, Microservices, Software Development, Transaction Processing, Program Development, Test Driven Development (TDD), Blockchain, Big Data, Data Structures, System Monitoring, Database Theory, Databases
★ 3.5 (92) · Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data-Driven Decision-Making, Data Strategy, Strategic Decision-Making, Business Analytics, Business Intelligence, Decision Intelligence, Analytics, Data Literacy, Decision Making, Forecasting, Data Science, Operational Analysis, Data Analysis, Market Intelligence, Predictive Analytics, AI Enablement, Artificial Intelligence
★ 4.4 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Distributed Computing, Data Pipelines, Performance Tuning, Scalability, Debugging, Performance Analysis, Data Processing, Analysis, Fine-tuning, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Continuous Integration, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, DevOps, Data Transformation, Data Integration, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Trigonometry, Advanced Mathematics, Mathematical Modeling, Algebra, Derivatives, Geometry
★ 4.8 (121) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Statistical Methods, Data Literacy, Regression Analysis, Statistical Analysis, Correlation Analysis, Technical Communication, Scatter Plots, Data Analysis, Predictive Analytics, Generative AI, AI literacy, Predictive Modeling
★ 4.8 (18) · Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Databricks, Data Lakes, Data Transformation, Data Quality, Data Infrastructure, Data Governance, Data Pipelines, Real Time Data, Data Architecture, Data Management, Terraform, Data Maintenance, Data Validation, Apache Spark, Data Integrity, Cloud Computing, Scalability, Data Security
Beginner · Course · 1 - 3 Months

Intermediate · Course · 1 - 3 Months