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.

University of Michigan
Skills you'll gain: ChatGPT, Generative AI, AI literacy, LLM Application, Large Language Modeling, Responsible AI, AI Integrations, Artificial Intelligence, Natural Language Processing, Economics, Policy, and Social Studies, Law, Regulation, and Compliance, Regulation and Legal Compliance, Ethical Standards And Conduct, Intellectual Property
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Conversion Funnel Analysis, Dashboard Creation, Data Storytelling, Marketing Budgets, Looker (Software), Customer Retention, SQL, Data Visualization, Marketing Analytics, Customer Insights, Tableau Software, Statistical Analysis, Predictive Analytics, Business Intelligence, Data Analysis, Time Series Analysis and Forecasting, Data-Driven Decision-Making, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple Xcode, iOS Development, Apple iOS, Data Structures, Programming Principles, Code Reusability, Application Development, Object Oriented Programming (OOP), Development Environment, Computer Programming, Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, System Monitoring, Cybersecurity, Event Monitoring, Continuous Monitoring, Incident Response, Data Analysis Software, Data Management, Data Integration, Data Storage, Software Installation, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Code Reusability, Hypertext Markup Language (HTML), UI Components
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Deep Learning, Artificial Neural Networks, Convolutional Neural Networks, Supervised Learning, Applied Machine Learning, Model Optimization, Machine Learning Methods, Artificial Intelligence, Computer Vision, Recurrent Neural Networks (RNNs), Model Training, Network Architecture, NumPy, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, Sampling (Statistics), Probability Distribution, R (Software), R Programming, Probability & Statistics, Statistical Programming, Bayesian Statistics, Data Collection, Data Analysis, Probability, Statistical Software, Statistics, Statistical Analysis, Data Analysis Software, Data Science, Descriptive Statistics, Statistical Inference
Beginner · Course · 1 - 3 Months

Skills you'll gain: System Monitoring, Data Analysis Expressions (DAX), Real Time Data, Performance Tuning, Microsoft Azure, Dataflow, Data Pipelines, Data Warehousing, Power BI, Apache Spark, Data Governance, Business Analytics, SQL, Data Management, Workflow Management, Data Science, Security Engineering, Artificial Intelligence and Machine Learning (AI/ML), Warehouse Management, Application Deployment
Intermediate · Course · 1 - 3 Months

MongoDB Inc.
Skills you'll gain: MongoDB, Database Systems, Database Development, Operational Databases, Database Management, Transaction Processing, Databases, NoSQL, Database Management Systems, Data Store, Database Administration, Data Modeling, Database Design, Query Languages, Data Integrity, Data Storage, Cloud Deployment, Cloud Platforms, Application Development
Beginner · Course · 1 - 3 Months
Skills you'll gain: File Systems, Operating Systems, OS Process Management, Memory Management, C (Programming Language), File Management, Virtualization, Computer Programming Tools, Data Integrity, Debugging, File I/O, System Software, Virtualization and Virtual Machines, System Programming, Systems Design, Data Storage Technologies, Performance Tuning, Distributed Computing, Data Storage, C and C++
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Creative Thinking, Creativity, Business Ethics, Business Analytics, Data Visualization, Ideation, Data Literacy, Creative Problem-Solving, Leadership and Management, Business Leadership, Brainstorming, Business Strategy, Organizational Leadership, Ethical Standards And Conduct, Decision Making, Emotional Intelligence, Accounting, Cultural Sensitivity, Cultural Diversity, Brand Management
Beginner · Specialization · 3 - 6 Months