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

University of California San Diego
Skills you'll gain: Data Ethics, Big Data, Cybersecurity, Data Security, Cryptography, Information Privacy, Encryption, Digital pedagogy, AI Personalization, Computer Science, Web Servers, Machine Learning, Machine Learning Methods, Supervised Learning, Artificial Neural Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Seaborn, Tableau Software, Statistical Visualization, Dashboard, Matplotlib, Dashboard Creation, Plot (Graphics), Heat Maps, Scatter Plots, Histogram, Data Mapping, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Web Scraping, Python Programming, Jupyter, Image Analysis, Text Mining, Data Manipulation, Computer Vision, Data Analysis, Natural Language Processing, Data Visualization Software, Data Science, Unstructured Data
Intermediate · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Data Wrangling, Regression Analysis, Data Manipulation, Dimensionality Reduction, Data Science, Python Programming, Data Preprocessing, Predictive Modeling, Statistical Modeling, Linear Algebra, Predictive Analytics, Model Training, Unsupervised Learning, Model Evaluation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Site Reliability Engineering, Debugging, Data Integrity, Cloud Management, Performance Tuning, CI/CD, Unit Testing, Data Processing, Google Cloud Platform, Disaster Recovery
Advanced · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Business Transformation, Data Strategy, Strategic Decision-Making, Digital Transformation, Storytelling, Presentations, Proposal Writing, Data Literacy, Persuasive Communication, Analytics, Data Visualization, Customer Insights, Microsoft PowerPoint, Influencing, Data Science, Customer Engagement, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Maintainability, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Cleansing, Data Preprocessing, Unit Testing, Package and Software Management, Python Programming, Data Science, Computer Programming, Debugging, Scripting, Software Development, Machine Learning, Database Application, Object Oriented Programming (OOP), Regression Analysis, Programming Principles, Scripting Languages, Databases, Object Oriented Design, Relational Databases, User Interface (UI) Design
Mixed · Course · 1 - 4 Weeks

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: Redis, NoSQL, Real Time Data, Data Structures, Event-Driven Programming, Scalability, Big Data, Query Languages, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), CI/CD, Model Deployment, Cloud Deployment, Continuous Deployment, Application Performance Management, Continuous Integration, Google App Engine, Model Training, Site Reliability Engineering
Intermediate · Course · 1 - 3 Months