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.

Coursera
Skills you'll gain: Data-Driven Marketing, Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Apple software proficiency, Knowledge of Apple Software, Enterprise Application Management, Data Management, File Management, Package and Software Management, Data Maintenance, File Systems, Unix, Application Performance Management, Software Installation, Document Management, Security Controls, Data Storage, Application Deployment, Data Storage Technologies, Data Security, Application Security, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Performance Tuning, Development Testing, Software Testing, Unit Testing, Application Programming Interface (API), Software Documentation, Test Script Development, Code Reusability, Web Applications, Test Driven Development (TDD), Technical Documentation, Frontend Performance, Debugging, Performance Testing, Maintainability, Javascript, Software Design Patterns, Software Architecture, Secure Coding, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Security Controls, Data Pipelines, Systems Administration, System Configuration, Identity and Access Management, Dataflow, Configuration Management, Enterprise Application Management, Debugging, Performance Tuning, Information Management, Distributed Computing, Data Management, Scalability, Data Storage
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Governance, Digital Transformation, Real Time Data, Google Cloud Platform, Business Transformation, Data Management, Data Warehousing, Data Transformation, Big Data, Looker (Software), Cloud Storage, Analytics, Business Intelligence, Governance, Data Processing, Dataflow, Data-Driven Decision-Making, Database Systems, Data Storage
★ 4.8 (927) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Agentic Workflows, MongoDB, Retrieval-Augmented Generation, Vector Databases, Generative AI Agents, Scalability, Model Context Protocol, Context Engineering, Data Architecture, Systems Design, Tool Calling, System Design and Implementation, Development Environment, Embeddings, PostgreSQL, Database Design, Object-Relational Mapping, Data Modeling, SQL
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Market Intelligence, Competitive Intelligence, Competitive Analysis, Market Research, Market Analysis, Market Data, Market Trend, Market Opportunities, Market Dynamics, Trend Analysis, Demand Planning, Business Reporting, Research Reports, Report Writing, Data Collection, Product Strategy, Forecasting, Data Validation, Time Series Analysis and Forecasting, Research Methodologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Health Policy, Cost Benefit Analysis, Data-Driven Decision-Making, Risk Modeling, Health Assessment, Analysis, Decision Making, Health Technology, Health Care, Value-Based Care, Cost Estimation, Estimation, Markov Model, Model Evaluation
★ 4.3 (25) · Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Database Management Systems, Database Management, Database Administration, Database Software, Database Development, Database Design, Database Architecture and Administration, Database Application, Relational Databases, SQL, Data Modeling, Network Model, Query Languages, Data Maintenance, Data Integrity, Data Manipulation, Data Security, Diagram Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Databases, Database Management, Database Development, Inventory and Warehousing, Data Analysis Expressions (DAX), Cloud Management, Advanced Analytics, Cloud-Based Integration, Data Management, Performance Measurement, Data Governance, Microsoft Excel, Business Intelligence Software, Business Reporting, Cloud Storage, Spreadsheet Software
★ 4.5 (37) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Microsoft Azure, Unsupervised Learning, Databricks, MLOps (Machine Learning Operations), Applied Machine Learning, Classification Algorithms, Model Training, Regression Analysis, Scikit Learn (Machine Learning Library), Predictive Modeling, Model Deployment, Cloud Management, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Evaluation, Supervised Learning, Machine Learning Algorithms, Data Pipelines, Data Transformation
★ 4.3 (178) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Integral Calculus, Algebra, Numerical Analysis, Calculus, Graphing, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Probability & Statistics, Derivatives, Mathematical Theory & Analysis
★ 4.5 (479) · Intermediate · Specialization · 3 - 6 Months