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.

28DIGITAL
Skills you'll gain: AI Personalization, Applied Machine Learning, Dimensionality Reduction, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Feature Engineering, Model Optimization, Model Training, Machine Learning, Model Evaluation, Algorithms, Context Management
★ 3.8 (23) · Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Secure Coding, Application Security, Mobile Security, Vulnerability Assessments, Vulnerability Management, Application Frameworks, Risk Management Framework, Cyber Security Policies, Computer Security, Security Controls, C and C++, C# (Programming Language), Java Programming, C++ (Programming Language), PHP (Scripting Language), Python Programming, C (Programming Language), Memory Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Copywriting, Target Audience, Blogs, Web Content, Search Engine Optimization, Content Creation, Content Optimization, Digital Publishing, Content Marketing, Target Market, WordPress, Digital Content, Content Development and Management, Customer Analysis, Content Management Systems, Digital Marketing, Web Analytics and SEO, Writing, Persuasive Communication, Driving engagement
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Training and Development, Training Programs, Employee Performance Management, Performance Management, Talent Acquisition, Human Resources, Human Resources Information System (HRIS), Applicant Tracking Systems, Full Cycle Recruitment, Employee Onboarding, Compensation Management, Compensation and Benefits, Recruitment Strategies, Employee Training, Human Resource Strategy, Human Resource Policies, Human Resources Management and Planning, Employee Surveys, Performance Appraisal, Enterprise Risk Management (ERM)
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: SketchUp (3D Modeling Software), Visual Storytelling, Model Optimization, AI powered creativity, Design Software, Software Design Documents, Layout Design, Visualization (Computer Graphics), Generative AI, 3D Modeling, Document Management, Design, Digital Design, Animations, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Long Term Care, Health Technology, Patient Communication, Home Health Care and Assisted Living, Geriatrics, Adaptive Equipment, Telehealth, Disabilities, Patient-centered Care, Chronic Diseases, Patient Education and Support, Medical Telemetry, Medical Equipment and Technology, Care Management, Data Ethics, digital literacy, Healthcare Ethics, Cybersecurity
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Database Administration, Microsoft SQL Servers, Database Theory, Microsoft Azure, Databases, Data Store, Relational Databases, MySQL, SQL, Database Management Systems, Database Management, NoSQL, Query Languages, PostgreSQL, Data Security, Data Management, Cloud Deployment
★ 4.6 (272) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Forecasting, Budget Management, Variance Analysis, Financial Analysis, Income Statement, Balance Sheet, Performance Measurement, Forecasting, Management Accounting, Return On Investment, Financial Data, Cash Flow Forecasting, Cost Management, Budgeting, Financial Modeling, Finance, Accounting, Financial Accounting
★ 4.7 (521) · Beginner · Specialization · 1 - 3 Months

Coursera
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Communications, Customer Relationship Management (CRM) Software, Customer Analysis, Brand Awareness, HubSpot CRM, User Feedback, Customer Retention, Customer Engagement, Customer Service, Content Marketing, Marketing Analytics, Brand Marketing, Email Marketing, Social Media Marketing, Google Analytics, Digital Marketing, Performance Measurement, Search Engine Optimization, AI Enablement, Generative AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Cash Flows, Financial Modeling, Financial Statements, Revenue Forecasting, Financial Analysis, Cash Flow Forecasting, Equities, Income Statement, Private Equity, Financial Forecasting, Financial Accounting, Business Valuation, Balance Sheet, Market Dynamics, Financial Data, Excel Formulas, Market Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Model Optimization, Model Deployment, Feature Engineering, Product Requirements, Prompt Engineering, Data Ethics, Prompt Patterns, LLM Application, Model Training, Kubernetes, AI Security, Systems Architecture, Large Language Modeling, Model Evaluation, PyTorch (Machine Learning Library), Apache Airflow, Data Pipelines, SQL
Intermediate · Professional Certificate · 3 - 6 Months