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.

Coursera
Skills you'll gain: Financial Modeling, Descriptive Statistics, Data Literacy, Financial Forecasting, Reconciliation, Financial Analysis, A/B Testing, Portfolio Risk, Model Evaluation, Data Cleansing, Classification And Regression Tree (CART), Regression Analysis, Exploratory Data Analysis, Predictive Modeling, Data Analysis, Risk Analysis, Risk Management, R Programming, Statistical Analysis, Machine Learning
★ 4 (9) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Large Language Modeling, Vulnerability Assessments
★ 3.6 (12) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
★ 4.3 (10) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Audit Planning, Auditing, Information Assurance, Project Management, Security Awareness, Compliance Auditing, Internal Auditing, Generally Accepted Auditing Standards, Control Objectives for Information and Related Technology (COBIT), Risk Analysis, Risk Management, Risk Control
★ 4.3 (11) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, UI Components, Data Transformation, User Interface (UI), Dataflow, Hypertext Markup Language (HTML), Code Reusability, Application Frameworks, Cascading Style Sheets (CSS), Model View Controller
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Data Modeling, Dashboard, Pivot Tables And Charts, Interactive Data Visualization, Data Management, Data Literacy, Data Mapping, Performance Tuning, Incident Management, Query Languages, Information Management, Event Monitoring, Data Processing, Data Science, Big Data, Business Intelligence, Data Analysis, Business Analytics
★ 4.6 (45) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: ChatGPT, Data Analysis, OpenAI, Data-Driven Decision-Making, AI Enablement, Generative AI, Analytics, Content Creation, Content Strategy, Customer Support, Technology Strategies, Customer experience improvement, Operational Efficiency, Automation
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Manufacturing and Production, Manufacturing Processes, Product Engineering, Robotic Process Automation, Manufacturing Operations, Production Process, Industrial Engineering, Business Process Automation, Automation, Enterprise Resource Planning, Product Development, Supply Chain Management, Energy and Utilities, Plant Operations and Management, Internet Of Things, Robotics, Digital Transformation, Data Integration, Real Time Data
★ 4.6 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Data, Microsoft Excel, Microsoft Office, Spreadsheet Software, Excel Formulas, Microsoft 365, Mortgage Loans, Loans, Timelines
★ 4.4 (31) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Simulation and Simulation Software, Simulations, Microbiology, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
★ 4.2 (58) · Intermediate · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Electric Power Systems, Electrical Power, Electrical Systems, Network Model, Energy and Utilities, Engineering Analysis, Systems Analysis, Electrical Engineering, Network Analysis, Numerical Analysis, Engineering Calculations, Mathematical Modeling, Simulation and Simulation Software, Simulations, Graph Theory
★ 4.1 (10) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Network Security, IT Security Architecture, OSI Models, TCP/IP, Threat Modeling, Computer Networking, Network Protocols, Cybersecurity, Application Security, Network Architecture, General Networking, Cryptographic Protocols, Vulnerability Assessments, Network Infrastructure, Exploit development, Network Model, Network Routing, Communication Systems
★ 4.9 (33) · Beginner · Course · 1 - 3 Months