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: Customer Relationship Management (CRM) Software, Customer Relationship Management, Customer experience strategy (CX), Customer Success Management, Customer Acquisition Management, Customer Analysis, Customer Retention, Customer Relationship Building, Brand Loyalty, Customer experience improvement, Marketing Automation, Customer Insights, Value Propositions, Portfolio Management, Data-Driven Marketing, Automation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Security Controls, Configuration Management, Package and Software Management, Cybersecurity, Identity and Access Management, Software Installation, Computer Programming, Information Technology
Beginner · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Computing Architecture, Technical Product Management, Cloud Platforms, Cloud Security, Software Architecture, AWS Identity and Access Management (IAM), Network Security, Product Management, Identity and Access Management, Technical Support, Product Support, Business
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Web Presence, Blogs, Content Optimization, Digital Marketing
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Database Software, Database Design, Data Import/Export, Database Management, Databases, Relational Databases, Data Access, Data Manipulation, Extensible Languages and XML, Extensible Markup Language (XML), Data Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, Java, Object Oriented Design, Build Tools, Memory Management, Hibernate (Java), Unit Testing, File I/O, Data Persistence, Docker (Software), Software Testing, Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design
Beginner · Specialization · 3 - 6 Months
Yonsei University
Skills you'll gain: Capital Budgeting, Financial Statement Analysis, Business Valuation, Financial Statements, Strategic Decision-Making, Financial Analysis, Entrepreneurial Finance, Financial Data, Financial Forecasting, Financial Modeling, Entrepreneurship, Market Analysis, Cash Flows, Cash Flow Forecasting, Business Research, Business Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Cybersecurity, AI Security, Data Persistence, Technical Communication, Risk Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: MySQL, Data Migration, Google Cloud Platform, Operational Databases, Database Administration, Virtual Private Networks (VPN), Database Management, Data Import/Export
Advanced · Project · Less Than 2 Hours

University of London
Skills you'll gain: Arithmetic, Theoretical Computer Science, Computational Logic, Programming Principles, Computer Science, Algorithms, Computational Thinking, Database Theory, Mathematical Modeling, Data Structures, General Mathematics, Applied Mathematics, Business Mathematics, Advanced Mathematics, Logical Reasoning, Problem Solving
Beginner · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Benefits Administration, Compensation and Benefits, Benefits Enrollment Processes, Human Resource Policies, Tax Management, Human Resources, Human Resources Management and Planning, Employee Assistance Programs, Communication Planning, Internal Communications, Health Equity, Health Care, Program Evaluation, Managed Care, Administration, Insurance, Diversity and Inclusion
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
Beginner · Course · 1 - 3 Months