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.

Starweaver
Skills you'll gain: Prompt Engineering, Generative AI Agents, Retrieval-Augmented Generation, CrewAI, AI Orchestration, Vector Databases, Model Deployment, AI Personalization, Generative AI, Transfer Learning, Kubernetes, Enterprise Application Management, ChatGPT, AI Workflows, Containerization, Agentic systems, MLOps (Machine Learning Operations), Python Programming, System Monitoring, Engineering
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Anomaly Detection, Feature Engineering, Data Ethics, Machine Learning Algorithms, Classification Algorithms, Machine Learning, Statistical Machine Learning, Applied Machine Learning, Supervised Learning, Unsupervised Learning, Scikit Learn (Machine Learning Library), Model Evaluation, Data Preprocessing, Decision Tree Learning, Data Mining, Exploratory Data Analysis, Regression Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Splunk, Pivot Tables And Charts, Data Analysis Expressions (DAX), Unstructured Data, Data Visualization Software, Data Modeling, Dashboard, Text Mining, Data Wrangling, Taxonomy, Management Reporting, Data Integration, Data Transformation, Workflow Management, Statistical Reporting, Data Manipulation, Event Monitoring, Continuous Monitoring, Role-Based Access Control (RBAC), Scheduling
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Strategic Decision-Making, Dealing With Ambiguity, Performance Analysis, Performance Measurement, Customer Analysis, Adaptability, Decision Making, Strategic Prioritization, Dashboard, Strategic Thinking, Data-Driven Decision-Making, Market Opportunities, Business Metrics, Data Strategy, Business Analytics, Data Science, Data Analysis, Operational Efficiency, Risk Management, Change Management
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Excel Formulas, Generative AI, Data Pipelines, Responsible AI, Data Processing, Debugging, Microsoft Excel, Automation, Data Transformation, Artificial Intelligence, Data Analysis, SQL, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Processing, SQL, Data Transformation, Data Manipulation, Distributed Computing, Python Programming, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Management, Cloud Computing, Metadata Management, Data Lakes, Google Cloud Platform, Big Data, Personally Identifiable Information
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Database Management, Acceptance Testing, Web Applications, Microservices, Software Architecture, Software Engineering, Data Infrastructure, System Monitoring, Functional Requirement, Application Deployment, User Acceptance Testing (UAT), Application Development, Distributed Computing, Prototyping, Requirements Elicitation, Test Automation, Agile Product Development, Big Data, Data Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Preprocessing, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Histogram, Data Analysis, Scatter Plots, Exploratory Data Analysis, Pandas (Python Package), Jupyter, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Manipulation, Data Analysis, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Precision Medicine, Clinical Trials, Data Analysis, Data-Driven Decision-Making, Analytics, Data Science, Strategic Decision-Making, Root Cause Analysis, Random Forest Algorithm, Treatment Planning, Personalized Service, A/B Testing, Machine Learning, Online Advertising
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Import/Export, Extract, Transform, Load, Google Cloud Platform, Data Warehousing, Big Data, Database Design, Data Analysis
Beginner · Project · Less Than 2 Hours