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.

The University of Sydney
Skills you'll gain: Critical Thinking, digital literacy, Information Management, Research, Productivity, Data Sharing, Reliability, Organizational Skills, Ethical Standards And Conduct, Identity and Access Management, Intellectual Property
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Science, Data Literacy, Project Design, Data Analysis, Data Management, Data Presentation, Data-Driven Decision-Making, Business Analytics, Performance Metric, Machine Learning, Statistical Inference
Mixed · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Business Transformation, Site Reliability Engineering, Innovation, Digital Transformation, Serverless Computing, Application Programming Interface (API), Technology Strategies, Hybrid Cloud Computing, Safety Culture, Data Strategy, Organizational Change, Change Management, Cloud Infrastructure, Cloud Computing, Cloud Solutions, Culture Transformation, People Management, Management Training And Development, CI/CD, Service Level
Beginner · Specialization · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Ggplot2, Data Visualization Software, Plot (Graphics), R Programming, Data Manipulation, Tidyverse (R Package), Data Structures, Data Analysis, Statistical Programming, Integrated Development Environments, Data Import/Export, Software Installation
Beginner · Course

DeepLearning.AI
Skills you'll gain: Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), Technical Management, Machine Learning, Applied Machine Learning, Model Evaluation, Deep Learning, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Data Storytelling, Marketing Automation, Web Analytics, Marketing Effectiveness, Marketing Analytics, Customer Insights, Digital Marketing, Market Analysis, Google Analytics, Social Media Marketing, Customer Analysis, Search Engine Marketing, Advertising Campaigns, Marketing Strategies, Social Media Strategy, Customer experience strategy (CX), Performance Reporting, Search Engine Optimization, Keyword Research, MarTech
Beginner · Professional Certificate · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Search Engine Marketing, Business Strategy, Keyword Research, Financial Accounting, Digital Marketing, Organizational Leadership, Online Advertising, Search Engine Optimization, Business Planning, Content Marketing, Accountability, Business Management, Leadership and Management, Management Training And Development, Social Media Strategy, Cash Flow Forecasting, Entrepreneurial Finance, Commercial Lending, Strategic Planning, Storytelling
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Feature Engineering, Responsible AI, Tensorflow, Keras (Neural Network Library), Data Preprocessing, Google Cloud Platform, Data Quality, Applied Machine Learning, Data Cleansing, Machine Learning, Data Pipelines, Data Strategy, Supervised Learning, Model Deployment, Machine Learning Algorithms, Model Evaluation, Performance Tuning, Data Transformation, MLOps (Machine Learning Operations), Embeddings
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Software Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Internet Of Things, Basic Electrical Systems, Automation Engineering, Electronics, Electronic Components, Embedded Systems, Control Systems, Electronic Hardware, Wireless Networks, Electrical and Computer Engineering, Hardware Design, Peripheral Devices, Human Machine Interfaces, Electrical Wiring, Computer Systems, Programming Principles, Systems Engineering, Computer Programming, Remote Access Systems, Interactive Learning
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), Ajax, React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), Data Persistence, JavaScript Frameworks, Generative AI, Database Design, UI Components
Beginner · Specialization · 3 - 6 Months