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.

Skills you'll gain: Verification And Validation, Embedded Software, Process Modeling, Systems Analysis, Distributed Computing, Theoretical Computer Science, Data Modeling, Software Design, Maintainability, Algorithms, Logical Reasoning
★ 4.1 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cash Flow Forecasting, Cash Flows, Financial Forecasting, Financial Analysis, Entrepreneurial Finance, Business Planning, Financial Data, Forecasting, Financial Acumen, Financial Management, Financial Planning, Market Opportunities
★ 4.8 (46) · Mixed · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Selling Techniques, Product Promotion, Sales Strategy, Search Engine Optimization, Content Optimization, Social Media Marketing, Pay Per Click Advertising, Advertising Campaigns, Online Advertising, Advertising, Product Marketing, Social Media Content, Keyword Research, Paid media, Web Analytics and SEO, E-Commerce, Search Engine Marketing, Digital Advertising, Promotional Strategies, Competitive Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Code Reusability, Test Script Development, Event-Driven Programming, Javascript, Application Programming Interface (API), Development Testing, Data Sharing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Transaction Processing, Distributed Computing, Database Systems, Applied Machine Learning, Database Management Systems, Data Architecture, Database Architecture and Administration, Cloud Computing, Big Data, Data Processing, Data Access, Machine Learning, Scalability, Data Integrity, Classification Algorithms
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Value Propositions, Strategic Thinking, Target Market, Strategic Decision-Making, Product Marketing, Go To Market Strategy, Strategic Marketing, Data-Driven Marketing, Marketing Planning, Content Performance Analysis, Content Marketing, Competitive Analysis, Marketing Strategy and Techniques, Brand Strategy, Product Strategy, Constructive Feedback, Campaign Planning, Content Strategy, Copywriting, Target Audience
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Presentations, Sales Presentation, Marketing Design, Sales Presentations, Target Market, Data Visualization, Marketing Collateral, Target Audience, Productivity Software, Marketing
★ 4.5 (26) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: API Gateway, Cloud Deployment, Cloud Development, Restful API, Application Programming Interface (API), Cloud Applications, Application Deployment, API Design, Go (Programming Language), Software Development, Google Cloud Platform, Personally Identifiable Information, Data Access, DevOps, Database Application, Data Management
★ 3.8 (8) · Intermediate · Project · Less Than 2 Hours

Emory University
Skills you'll gain: AI Personalization, Personalized Service, Personalized Campaigns, Customer experience improvement, Self Service Technologies, Marketing Psychology, AI Enablement, Business-To-Consumer, Customer experience strategy (CX), Consumer Behaviour, Marketing Automation, MarTech, Artificial Intelligence, Data-Driven Marketing, Marketing, Decision Support Systems, Responsible AI, Data Ethics
★ 4.8 (13) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Development Environment, Query Languages, Action Oriented, Data Validation
★ 3.3 (12) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Devops Tools, YAML, IT Automation, Docker (Software), Containerization, Command-Line Interface, Data Security, Encryption, Python Programming, Performance Tuning, Configuration Management
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Computational Logic, Code Reusability, Data Structures, Diagram Design, Dataflow, Microsoft Azure, Automation, Program Development, Performance Tuning, Data Management, System Configuration, Interactive Data Visualization, Data Integration, Functional Design, Fine-tuning, Communication, Simulations
Intermediate · Specialization · 3 - 6 Months