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: Earned Value Management, Resource Planning, Scheduling, Resource Management, Resource Allocation, Resource Utilization, Project Performance, Project Schedules, Project Management, Project Coordination, Project Management Software, Cost Management, Project Portfolio Management, Work Breakdown Structure, Budget Management, Expense Management, Data Import/Export
★ 4.8 (38) · Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Security, Data Loss Prevention, Security Management, Data Management, Security Controls, Information Assurance, Data Governance, Information Management, Data Storage
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Access, Object Oriented Design, Relational Databases, Object Oriented Programming (OOP), Database Software, JUnit, Data Integrity, SQL, Database Development, Java Programming, Java, Database Management, Databases
★ 4.6 (39) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Databricks, Data Pipelines, Data Lakes, Data Wrangling, Apache Spark, Data Access, Data Processing, Data Warehousing, Data Architecture, Data Management, Data Synthesis, Data Science, Data Mining, Data Integrity, Data Modeling, Data Presentation, Data Entry, Data Storage, SQL, Python Programming
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Property and Real Estate, Tensorflow, Real Estate, Artificial Intelligence, Applied Machine Learning, Keras (Neural Network Library), Data Ethics, Lead Generation, AI Personalization, Property Management, Fraud detection, Data-Driven Marketing, Marketing Strategies, AI Integrations, Marketing Automation, Machine Learning, Investment Management, Investments, Predictive Analytics
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Budget Management, Financial Statements, Financial Statement Analysis, Financial Acumen, Financial Management, Budgeting, Financial Data, Financial Analysis, Financial Planning, Finance, Performance Analysis, Resource Allocation, Variance Analysis, Cost Benefit Analysis, Investment Management, Return On Investment, Team Performance Management, Investments
★ 4.9 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Analysis
★ 5 (9) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
★ 4.7 (18) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Computer Security Incident Management, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Anomaly Detection, Incident Management, Threat Management, Model Training, Continuous Monitoring, Cyber Security Policies, System Monitoring, AI Security, Virtual Machines, Network Security, Machine Learning Methods, Network Analysis, Data Analysis
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

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

MathWorks
Skills you'll gain: Image Analysis, Matlab, Computer Vision, File I/O, Automation, Anomaly Detection, Engineering Practices, Data Preprocessing, Mathematical Software, Data Store
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Public Cloud, Cloud Computing Architecture, Cloud Computing, Application Programming Interface (API), Cloud Services, Scalability, Cloud Platforms, Amazon Web Services, Cloud Engineering, Infrastructure As A Service (IaaS), Technical Services, Systems Administration, Solution Architecture, Security Engineering
★ 4.7 (84) · Beginner · Course · 1 - 4 Weeks