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: Command-Line Interface, Go (Programming Language), Package and Software Management, Data Storage, Programming Principles, Code Reusability, Program Development, Other Programming Languages
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Database Design, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: PostgreSQL, Relational Databases, Database Design, Database Development, Database Management, SQL, Database Management Systems, Data Integrity, Query Languages, Business Intelligence, People Analytics, Data Analysis, Transaction Processing, Data Manipulation, Data Validation, Software Installation
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Data Security, Google Cloud Platform, Cloud Computing, Data Loss Prevention, Cloud Management, Personally Identifiable Information, Cloud API, Node.JS
Beginner · Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Text Mining, Unstructured Data, Health Informatics, Natural Language Processing, Clinical Documentation, Model Evaluation, Clinical Informatics, Deep Learning, Model Training, Machine Learning, Medical Terminology, Artificial Neural Networks, Python Programming, Computer Programming, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Matplotlib, Data Visualization, Plot (Graphics), Seaborn, File I/O, NumPy, Python Programming, Pandas (Python Package), Data Analysis, Program Development, Data Import/Export, JSON, Package and Software Management, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Site Reliability Engineering, Google Cloud Platform, Dataflow, Kubernetes, Real Time Data, Database Management, Big Data, Database Management Systems, CI/CD, Performance Tuning, Continuous Deployment, Data Pipelines, Databases, Cloud Engineering, Relational Databases, Containerization, Application Deployment, Data Processing, DevOps, Software Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Geospatial Information and Technology, Geospatial Mapping, Spatial Data Analysis, Applied Machine Learning, Geographic Information Systems, GIS Software, Spatial Analysis, Environmental Monitoring, Machine Learning Methods, Unsupervised Learning, Data Analysis Software, Image Analysis, Machine Learning, R Programming, Data Processing, Data Preprocessing, Classification Algorithms, Data Transformation, Dimensionality Reduction, Data Import/Export
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Information and Technology, Geospatial Mapping, GIS Software, Data Analysis, Data Visualization, Analytics, Interactive Data Visualization, Google Cloud Platform, Network Analysis, Query Languages
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Real Time Data, Data Processing, SQL, File I/O, Pandas (Python Package), Google Cloud Platform, Data Transformation, Analytics, Jupyter
Advanced · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Database Development, Database Design, PostgreSQL, SQL, Query Languages, People Analytics, Data Integrity, Data Validation, Software Installation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Pivot Tables And Charts, Data Presentation, Data Analysis, Data Analysis Software, Data Visualization Software, Data-Driven Decision-Making, Data Sharing, Analysis, Data Transformation, Content Management, Data Manipulation
Beginner · Course · 1 - 3 Months