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.

LearnKartS
Skills you'll gain: Cloud Deployment, Virtualization, Cloud Services, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Public Cloud, Network Protocols, TCP/IP, Amazon Web Services, File Transfer Protocol (FTP), General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Network Architecture, Software As A Service, Platform As A Service (PaaS), Servers, Private Cloud, Hybrid Cloud Computing
★ 4.4 (79) · Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Product Management, New Product Development, Product Development, Product Lifecycle Management, Product Improvement, Product Marketing, Innovation, Product Planning, Business Modeling, Stakeholder Engagement, Sales Presentations, Leadership and Management, Customer Engagement, Cross-Functional Collaboration, Customer Insights, Customer Analysis, Data-Driven Decision-Making
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Restful API, Full-Stack Web Development, React.js, Application Programming Interface (API), Web Services, Spring Boot, Front-End Web Development, Web Applications, MongoDB, UI Components, NoSQL, Data Persistence, Data Access
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Android Development, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, Event-Driven Programming, User Interface (UI), Data Persistence
★ 4.4 (69) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Responsible AI, LLM Application, Large Language Modeling, Google Cloud Platform, Model Training, MLOps (Machine Learning Operations), Fine-tuning, Model Evaluation, Version Control, Supervised Learning
★ 3.9 (36) · Beginner · Project · Less Than 2 Hours

Edureka
Skills you'll gain: Data Storytelling, SQL, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard Creation, Star Schema, Dashboard, Data Modeling, Data Quality, Business Analytics, Database Design, Interactive Data Visualization, Data Mart, Analytics, YAML, Data Pipelines, Data Transformation, Performance Tuning, Analysis
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Code Reusability, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Memory Management
★ 4.4 (35) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, IT Security Architecture, Information Systems Security, Local Area Networks, Cyber Attacks, Computer Security, Linux Commands, Windows PowerShell, Security Controls, Hardening, Vulnerability Scanning, Endpoint Security, Threat Detection, Linux, Network Architecture, Wireless Networks, Network Analysis
★ 4.6 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Seaborn, Plot (Graphics), Exploratory Data Analysis, Data Visualization Software, Statistical Visualization, Data Presentation, Data Storytelling, Scatter Plots, Color Theory
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Development Environment, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, Programming Principles, Apple Xcode, Software Installation, Data Structures, Performance Tuning, Debugging
★ 4.3 (23) · Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Financial Statement Analysis, Product Flow Diagram, Supply Chain, Financial Statements, Supply Chain Management, Supply Chain Systems, Case Studies, Financial Analysis, Supply Chain Planning, Financial Data, Supply Management, Process Mapping, System Implementation, Financial Acumen, Product Strategy, Plan Execution, Income Statement, Business Strategy, Product Planning, Complex Problem Solving
★ 4.8 (26) · Advanced · Course · 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
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks