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.

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, 3D Modeling, Visualization (Computer Graphics), Computer Graphics, Animations, Simulations
Beginner · Course · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Debugging, Computational Thinking, Data Structures, Computer Programming, Program Development, Integrated Development Environments, Computer Science, Python Programming, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Smart Goals, Marketing Effectiveness, Goal Setting, Marketing Planning, Marketing Strategies, Marketing Automation, Content Marketing, Key Performance Indicators (KPIs), Business Priorities, Performance Measurement, Data-Driven Decision-Making, Web Analytics, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, .NET Framework, C# (Programming Language), Debugging
Beginner · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Algorithms, Graph Theory, Data Structures, Theoretical Computer Science, Computational Thinking, Analysis, Computer Science, Probability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Budgeting, Cost Management, Operating Budget, Financial Management, Accounting and Finance Software, Financial Forecasting, Financial Acumen, Cash Flow Forecasting, Revenue Forecasting, Variance Analysis, Profit and Loss (P&L) Management, Consolidation, Financial Analysis, Expense Management, Business Acumen, Strategic Decision-Making, Data-Driven Decision-Making, Trend Analysis, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, Control Systems, Visualization (Computer Graphics), Control Panels, Test Tools, Interactive Design, Electrical Wiring, Automation Engineering, Simulations, User Interface (UI) Design, User Feedback, System Configuration
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Branding, Brand Awareness, Brand Strategy, Brand Management, Personal Attributes, digital literacy, Social Media, Personally Identifiable Information, Self-Awareness, Social Media Strategy
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Financial Modeling, Variance Analysis, Key Performance Indicators (KPIs), Bookkeeping, Financial Forecasting, Revenue Forecasting, Budget Management, Financial Statement Analysis, Business Reporting, Dashboard, Capital Budgeting, Financial Controls, Financial Reporting, Financial Analysis, Process Improvement, Financial Services, Financial Data, Investments, Predictive Analytics, Data-Driven Decision-Making
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Gemini, Authentications, Application Deployment, Google Cloud Platform, Generative AI Agents, Authorization (Computing), AI Enablement, Data Security, Large Language Modeling, Enterprise Security, Agentic systems, Enterprise Application Management, Data Access, LLM Application, Data Integration, Cloud Security
Beginner · Course · 1 - 3 Months

University of Huddersfield
Skills you'll gain: Integrated Marketing Communications, Research Methodologies, Strategic Decision-Making, Negotiation, Stakeholder Management, Intercultural Competence, Organizational Leadership, Research Design, Research, Data Analysis, Self-Motivation, Business Management, Data Collection, Goal Setting, Campaign Management, Leadership and Management, Team Leadership, Collaboration, Organizational Strategy, Organizational Change
Earn a degree
Degree · 1 - 4 Years