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: Cyber Threat Hunting, Endpoint Detection and Response, Threat Detection, Incident Response, Cloud Security, Cyber Threat Intelligence, Computer Security Incident Management, Microsoft Azure, Security Information and Event Management (SIEM), Endpoint Security, Azure Active Directory, Incident Management, Security Controls, Multi-Cloud, Anomaly Detection, Email Security, Hybrid Cloud Computing, Role-Based Access Control (RBAC), Automation, Query Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Web Development Tools, Unit Testing, Test Script Development, Test Automation, Software Testing, Test Case, UI Components, Web Components, Test Data, Web Applications, User Interface (UI), TypeScript
Intermediate · Guided Project · Less Than 2 Hours

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Ethics, Consumer Behaviour, Digital Analysis, Data Collection, Marketing, Target Market, digital literacy, Market Research, User Research, Customer Insights, Customer Analysis, Ethical Standards And Conduct, Business Ethics, Research, Analytics, Personalized Service, Qualitative Research, Technical Communication, Research Reports, Data Analysis
Beginner · Course · 1 - 4 Weeks
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: 3D Modeling, Unreal Engine, 3D Assets, Visualization (Computer Graphics), Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Wound Care, Hand Hygiene, Personal protective equipment, Infection Control, Sterile Procedure, Asepsis, Medical Surgical Nursing, Basic Nursing Skills, Health Assessment, Health And Safety Standards, Patient Safety, Patient Treatment, Public Health and Disease Prevention, Health Care, Healthcare Ethics, Nursing, Clinical Nursing, Health Care Procedure and Regulation, Community Health, Healthcare Industry Knowledge
Beginner · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Social Impact, Social Justice, Community Organizing, Public Policies, Liberal Arts, digital literacy, Digital Transformation, Community Development, Policy Development, Culture, Innovation, Creativity, Diversity Awareness, Data Ethics, Diversity Equity and Inclusion Initiatives, Emerging Technologies, Mediation, Internet Of Things
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Applied Mathematics, Algebra, General Mathematics
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Scripting, Geospatial Mapping, Scripting Languages, Dashboard, Dashboard Creation, Data Visualization Software, Interactive Data Visualization, Data Manipulation, Data Import/Export, Cascading Style Sheets (CSS), Advanced Analytics
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Visual Basic (Programming Language), Automation, Business Process Automation, Computer Programming Tools, Microsoft 365, Data Wrangling, Microsoft Office, Spreadsheet Software, Development Environment, Computer Programming, Data Science
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Customer Retention, Customer Relationship Building, E-Commerce, Driving engagement, Content Performance Analysis, Web Analytics and SEO, Strategic Marketing, Email Security, Data-Driven Marketing, Digital Marketing Campaigns, Conversion Funnel Analysis, Direct Marketing, Online Advertising, Advertising Mail, Performance Metric, Personalized Campaigns, Sales, Decision Making, Automation
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Predictive Analytics, Machine Learning Methods, Machine Learning, Predictive Modeling, Decision Support Systems, Supervised Learning, Data-Driven Decision-Making, Analytics, Data Management, Data Collection, Data Analysis, Nutritional Assessment, Internet Of Things, Artificial Intelligence, Nutrition and Diet, Emerging Technologies, Health Assessment
Intermediate · Course · 1 - 4 Weeks