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.

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
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Customer Analysis, Big Data, Data Processing, Advanced Analytics, Statistical Modeling, Text Mining, Customer Insights, Data Analysis, Risk Modeling, Data Preprocessing, Unstructured Data, Simulation and Simulation Software, Data Manipulation, Business Intelligence, Marketing Analytics, Apache
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metadata Management, Document Management, Vector Databases, Query Languages, Database Management, Data Management, Extract, Transform, Load, Data Maintenance, Data Architecture, Data Store, LLM Application, Data Pipelines, Data Import/Export, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Analytics, Statistical Machine Learning, Google Cloud Platform, Model Evaluation, Predictive Analytics, Applied Machine Learning, Data Analysis, Predictive Modeling
Intermediate · Project · Less Than 2 Hours

Banco Interamericano de Desarrollo
Skills you'll gain: Data Visualization, Data Literacy, Data Ethics, Data Presentation, Policy Development, Data-Driven Decision-Making, Data Analysis, Data Collection, Public Policies, Data Management, Policy Analysis, Data Quality, Program Evaluation, Research, Statistical Methods, Research Methodologies, Statistical Analysis, Research Design
Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Ethics, Responsible AI, Risking, Emerging Technologies, Business Ethics, Ethical Standards And Conduct, Information Privacy, Technology Strategies, Diversity Awareness, Law, Regulation, and Compliance, Artificial Intelligence, Data Science
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Warehousing, Data Quality, Data Cleansing, Performance Tuning, Data Validation, Scalability, System Monitoring, Serverless Computing, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Visualization Software, Process Development, Tableau Software, Financial Modeling, Data Presentation, Dashboard Creation, Business Process, Peer Review, Presentations, Property Management, Data Analysis, MySQL, Revenue Management, Financial Data, Risk Analysis, Property and Real Estate, Real Estate, Financial Analysis, Microsoft Excel, SQL
Mixed · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Modeling, Enterprise Resource Planning, Business Intelligence, Interactive Data Visualization, Data Store, Security Controls, Data Visualization Software, Dashboard Creation, Workflow Management, Business Workflow Analysis, Data Import/Export, Data Warehousing, Extract, Transform, Load, Data Processing, Data Integration, Data Wrangling, Project Implementation, Microsoft Excel, Data Transformation, Authorization (Computing)
Mixed · Course · 1 - 3 Months

STARWEAVER
Skills you'll gain: AI Personalization, System Monitoring, Generative AI, Data Processing, Extract, Transform, Load, Scalability, Large Language Modeling, Data Architecture, Data Pipelines, Context Management, Performance Tuning, Continuous Monitoring, Database Systems, Data Quality, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks