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.

John Wiley & Sons
Skills you'll gain: Object Oriented Design, Java, Java Programming, Object Oriented Programming (OOP), Software Design Patterns, Maintainability, Software Design, Code Reusability, Functional Design, Data Management, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Documentation, Solution Architecture, Model Deployment, Software Documentation, AI Integrations, MLOps (Machine Learning Operations), AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Systems Architecture, Systems Development Life Cycle, Cloud Computing Architecture, Software Design Documents, Data Architecture, Data Integration, Systems Design, Functional Specification, Data Pipelines, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Analysis, Statistical Methods, Matplotlib, Regression Analysis, Machine Learning Methods, Statistical Modeling, Dimensionality Reduction, Unsupervised Learning, Machine Learning Algorithms, Applied Machine Learning, Machine Learning, Data Science, Environmental Policy, Data Analysis, Climate Change Programs, Energy and Utilities, Data Visualization, Pandas (Python Package), Environmental Issue, Climate Change Mitigation
★ 4.5 (14) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Journey Mapping, Business Transformation, SAP S/4HANA, Project Design, Technology Solutions, Relationship Building, Software As A Service, Consultative Approaches, Enterprise Architecture, ABAP RESTful Programming Model (RAP), Solution Architecture, Enterprise Resource Planning, System Design and Implementation, Project Implementation, Project Closure, Test Planning, Company, Product, and Service Knowledge, Requirements Analysis, Stakeholder Communications, Project Management
★ 4.6 (1.6K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Validation, Business Reporting, Reconciliation, Business Intelligence, Report Writing, Data Integrity, Workflow Management, Auditing, Automation, Content Scheduling
Beginner · Course · 1 - 4 Weeks
University of California, Santa Cruz
Skills you'll gain: Programming Principles, Program Development, Computational Logic, Memory Management
★ 4.5 (6.8K) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Databricks, Model Deployment, Generative AI, Data Lakes, Extract, Transform, Load, MLOps (Machine Learning Operations), Data Transformation, LLM Application, Data Pipelines, Hugging Face, Large Language Modeling, Apache Spark, Responsible AI, Analytics, Data Analysis, Data Processing, Data Science, Machine Learning
★ 3.9 (12) · Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Data Presentation, Pivot Tables And Charts, Dashboard, Microsoft Excel, Dashboard Creation, Data Visualization, Spreadsheet Software, Graphing, Excel Formulas, Business Reporting, Data Processing, Data Synthesis, Data Analysis, Consolidation, Data Integration
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsible AI, Data Ethics, Risking, AI Enablement, Business Priorities, Generative AI Agents, LLM Application, No-Code Development, Governance, Artificial Intelligence, Large Language Modeling, Generative AI, AI Workflows, Needs Assessment, Return On Investment, Feasibility Studies, Agentic systems, Case Studies, Data Quality
Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Security Engineering, Authentications, Threat Modeling, Network Security, Public Key Infrastructure, Distributed Denial-Of-Service (DDoS) Attacks, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Firewall, Cyber Attacks, Cryptography, Infrastructure Security, Cybersecurity, Data Encryption Standard, Threat Management, Cyber Risk, IT Security Architecture, Mobile Security, Enterprise Security, Cyber Security Assessment
★ 4.7 (3.7K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Budget Management, Cost Accounting, Internal Auditing, Financial Reporting, Financial Statement Analysis, Financial Statements, Internal Controls, Auditing, Budgeting, Variance Analysis, Cost Control, Financial Forecasting, Performance Measurement, Performance Reporting, Financial Data, Business Process Reengineering, Big Data, Analytics, Financial Management, Business
★ 4.9 (10) · Beginner · Specialization · 3 - 6 Months

Universidad Austral
Skills you'll gain: Natural Language Processing, Data Processing, Data Preprocessing, Text Mining, AI Orchestration, Pandas (Python Package), Analysis, AI Workflows, Big Data, Process Modeling, Unstructured Data, File Management, Classification Algorithms
★ 4.4 (27) · Beginner · Course · 1 - 3 Months