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 Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dependency Analysis, LLM Application, Microservices, Service Management, Configuration Management, Cloud Computing Architecture, Failure Analysis, Application Deployment, Data Storage Technologies, Scalability, Cloud Deployment, Site Reliability Engineering, Software Development, Solution Architecture, Cloud-Native Computing, Maintainability, Software Architecture, Systems Architecture, Service Recovery, Reliability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Model Architectures, Generative AI, AI Product Strategy, Large Language Modeling, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Business Strategy, Data Strategy, Data Ethics, Artificial Neural Networks, Process Improvement, Process Improvement and Optimization, Cloud Computing, Operational Efficiency, Process Optimization, Big Data, Customer Service, Natural Language Processing, User Experience, Marketing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ledgers (Accounting), Small Business Accounting, Accounting Systems, Payroll Processing, Accounts Payable, General Accounting, Dashboard, Sales Tax
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Root Cause Analysis, Lean Six Sigma, Lean Methodologies, Correlation Analysis, Process Improvement, Six Sigma Methodology, Process Analysis, Regression Analysis, Statistical Process Controls, Continuous Improvement Process, Data Collection, Descriptive Statistics, Statistical Hypothesis Testing, Process Optimization, Risk Management, Quality Management, Statistical Analysis, Quality Control, Process Capability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, PySpark, Data Manipulation, Data Preprocessing, Apache Spark, Google Cloud Platform, Data Analysis, Applied Machine Learning, Predictive Modeling, Big Data, Machine Learning, Regression Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Serverless Computing, API Gateway, Image Analysis, Amazon CloudWatch, Extensible Markup Language (XML), JSON, Computer Vision, Cloud Deployment, API Design, Amazon Web Services, Event-Driven Programming, Amazon S3, Microservices, Cloud Development, AWS CloudFormation, Application Programming Interface (API), AI Enablement, Cloud Applications, Authentications, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Authentications, OAuth, Back-End Web Development, Event-Driven Programming, Database Management, Databases, Authorization (Computing), Redis, Secure Coding, Application Programming Interface (API), Restful API, Email Automation, Data Migration
Intermediate · Course · 3 - 6 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Electrical Wiring, Wiring Diagram, Electrical Systems, Blueprint Reading, Electrical Equipment, Electrical Power, Schematic Diagrams, Technical Drawing, Engineering Drawings, Computer-Aided Design, Basic Electrical Systems, AutoCAD, Electrical Safety
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Infrastructure, Model Deployment, Data Processing, Data Pipelines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Mobile Security, System Monitoring, Network Monitoring, Security Controls, Internet Of Things, Wireless Networks, Application Security, Information Systems Security, Continuous Monitoring, Authorization (Computing), Cybersecurity, Identity and Access Management, Cyber Attacks, General Networking, Authentications, Cloud Security, TCP/IP, Cloud Services, Cloud Platforms
Mixed · Course · 1 - 4 Weeks