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.

University of Illinois Urbana-Champaign
Skills you'll gain: Wealth Management, Estate Planning, Portfolio Management, Real Estate, Investments, Financial Industry Regulatory Authorities, Commercial Real Estate, Regulatory Compliance, Asset Management, Tax Planning, Finance, Risk Management, Return On Investment, Financial Analysis, Business Strategies, Strategic Planning, Business, Data Management, Financial Statements, Failure Analysis
★ 4.1 (17) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SQL Server Reporting Services, Microsoft SQL Servers, Business Reporting, Business Intelligence, Business Intelligence Software, Report Writing, Interactive Data Visualization, Code Reusability, Data Visualization, Microsoft Development Tools
Mixed · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Diagnostic Tests, Pathology, Physiology, General Medical Tests and Procedures, Laboratory Testing, Precision Medicine, Biochemistry, Chronic Diseases, Endocrinology, Treatment Planning, Patient Treatment, Pharmacology, Medical Ultrasonography, Nutrition and Diet, Medical Science and Research, Bioinformatics, Epidemiology
★ 4.8 (137) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Market Data, Google Sheets, Data Import/Export, Equities, Financial Modeling, Financial Analysis, Financial Market
★ 4.5 (211) · Advanced · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Lean Manufacturing, Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Failure Mode And Effects Analysis, Process Flow Diagrams, Process Analysis, Kaizen Methodology, Quality Improvement, Operational Efficiency, Process Improvement, Performance Measurement, Manufacturing Operations, Quality Management, Process Improvement and Optimization, Business Process, Statistical Analysis, Performance Metric, Kanban Principles
★ 4.4 (41) · Beginner · Specialization · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Budget Management, Financial Statements, Business Planning, Generative AI, Strategic Thinking, Financial Statement Analysis, Critical Thinking, Plan Execution, Financial Acumen, Business Acumen, Prompt Engineering, Financial Management, Budgeting, Strategic Decision-Making, Responsible AI, Organizational Strategy, Strategic Leadership, Data-Driven Decision-Making, Business Modeling, Digital Transformation
★ 4.7 (44) · Intermediate · Specialization · 1 - 3 Months

New York University
Skills you'll gain: Authentications, Public Key Infrastructure, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Cryptography, Data Encryption Standard, Computer Security, Cybersecurity, Network Security, Security Controls, Cyber Attacks, Encryption, Key Management, Multi-Factor Authentication, Single Sign-On (SSO)
★ 4.7 (710) · Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Prototyping, Design Software, Materials science, Verification And Validation, Maintenance, Repair, and Facility Services, System Configuration, Data Import/Export
★ 4.8 (68) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Artificial Neural Networks, Deep Learning, Predictive Modeling, Time Series Analysis and Forecasting, Natural Language Processing, Model Training, Model Evaluation, Data Preprocessing
Advanced · Course · 1 - 3 Months

Skills you'll gain: ChatGPT, OpenAI API, Model Deployment, LLM Application, OpenAI, Tool Calling, Large Language Modeling, Application Deployment, Application Programming Interface (API), No-Code Development, Python Programming, Software Installation, Open Source Technology, Development Environment, Package and Software Management, User Interface (UI), Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, No-Code Development, Process Design, Business Process Automation, Application Development, Application Design, Automation, Business Process, Driving engagement, Data Integration, Data Access, User Interface (UI), Data Modeling
★ 3.7 (69) · Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Customer experience improvement, Customer experience strategy (CX), Service Design, Design Thinking, Change Management, Social Media Analytics, Vendor Management, Organizational Change, Service Improvement, Hospitality Management, Vendor Relationship Management, Hospitality and Food Services, Content Creation, Social Media Marketing, Digital Marketing, Operational Efficiency, Search Engine Optimization, Leadership, Content Management, Customer Engagement
★ 4.2 (44) · Intermediate · Specialization · 1 - 3 Months