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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Dataflow, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Data Pipelines, Software Design Patterns, Software Design, Functional Design, Cloud Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Fine-tuning, LLM Application, OpenAI API, Model Optimization, Large Language Modeling, Embeddings, OpenAI, Responsible AI, Cost Management, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Excel, Business Reporting, Microsoft Access, Data Analysis Software, Data Manipulation, Business Intelligence Software, Data Presentation, Data Analysis, Business Intelligence, Data Access, Microsoft Office
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI, AI literacy, Decision Intelligence, AI Integrations, Performance Measurement, Coaching, People Analytics, Performance Review, Continuous Improvement Process, Real Time Data
Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, Web Development, MongoDB, Application Deployment, OAuth, Web Servers, Application Programming Interface (API), API Design, Web Applications, Cloud Deployment, Authentications, Object-Relational Mapping, NoSQL, Data Persistence, Software Testing, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Forecasting, Time Series Analysis and Forecasting, Case Studies, Business Metrics, Predictive Modeling, Strategic Thinking, Data-Driven Decision-Making, Microsoft Excel, Decision Making, Estimation, Data Analysis, Data Visualization
Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: File I/O, Debugging, Go (Programming Language), Programming Principles, C (Programming Language), Program Development, Data Structures, Computer Programming, C and C++, Algorithms
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Spring Framework, Web Applications, Application Development, Web Development, Program Development, Restful API, Application Frameworks, Secure Coding, Bootstrap (Front-End Framework), Development Environment, Object-Relational Mapping, Model View Controller, UI Components, Software Development Tools, Authentications, User Interface (UI), Databases
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Architecture and Administration, Cloud Computing Architecture, Oracle Databases, Data Migration, Microsoft SQL Servers, Google Cloud Platform, Cloud Computing, Database Management, Databases, Cloud Solutions, Virtual Private Networks (VPN), Network Security, Test Tools, Enterprise Application Management, Business Writing, Virtual Machines
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Program Evaluation, Health Equity, Quantitative Research, Data Analysis, Statistical Analysis, Analysis, Health Assessment, Statistical Reporting, Health Disparities, Exploratory Data Analysis, Data Collection, Sampling (Statistics), Public Health and Disease Prevention, Maternal Health, Model Evaluation, Research Design
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, R (Software), Social Sciences, Statistical Analysis, R Programming, Statistical Software, Sociology, Network Model, Statistical Modeling, Statistical Hypothesis Testing, Statistical Methods, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks