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.

Skills you'll gain: Windows PowerShell, IT Automation, Scripting, Automation, Windows Servers, System Configuration, Scripting Languages, Microsoft Servers, Server Administration, Administration, Software Installation, Verification And Validation, Cloud Deployment, Data Import/Export, Service Management, Remote Access Systems, Extensible Markup Language (XML), File Management, Debugging
★ 2.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Healthcare Ethics, Health Systems, Infection Control, Telehealth, Health Informatics, Health Information Management, Health Care Administration, Health Information Management and Medical Records, Health Care Procedure and Regulation, Health Administration, Health Technology, Health Policy, Electronic Medical Record, Hand Hygiene, Electronic Medical Record System, Community Health, Patient-centered Care, Statistical Methods, Ethical Standards And Conduct, Healthcare Project Management
★ 4.9 (11) · Mixed · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Restful API, Front-End Web Development, TypeScript, Application Programming Interface (API), Web Frameworks, Web Applications, Server Side, Data Access, UI Components, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Entry
★ 4.5 (10) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization Software, Statistical Visualization, Data Visualization, Jupyter, Interactive Data Visualization, Scatter Plots, Histogram, Box Plots, Descriptive Statistics, Data Presentation, Animations, Python Programming
★ 3.3 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Version Control, Microsoft Copilot, C# (Programming Language), Git (Version Control System), Microsoft Visual Studio, .NET Framework, Software Versioning, Computer Programming Tools, Program Development, Integrated Development Environments, C and C++, Application Development, Computer Programming, Microsoft Development Tools, Development Environment, UI Components, User Interface (UI), Programming Principles, Event-Driven Programming
★ 5 (6) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Structures, Python Programming, Computer Programming, Data Visualization, Computational Thinking, Debugging
★ 4 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Banking Services, Banking, Regulatory Compliance, Commercial Banking, Compliance Management, Risk Management Framework, Governance Risk Management and Compliance, Investment Banking, Financial Services, Operational Efficiency, Operational Performance Management, Financial Systems, Risk Management, Operational Analysis, Operational Excellence, FinTech, Front Office, Business Operations, Decision Support Systems, Investments
★ 4.3 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, CI/CD, Microsoft Azure, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Data Pipelines, IT Automation, Data Integration, Data Security, Automation, Data Storage, Security Controls
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Problem Solving, Decision Making, Creative Thinking, Root Cause Analysis, Creative Problem-Solving, Data Collection, Brainstorming, Curiosity, Strategic Decision-Making, Business Ethics, Creativity, Ethical Standards And Conduct, Complex Problem Solving, Independent Thinking, Risk Analysis, Design Thinking, Analysis, Data Synthesis, Strategic Thinking, Collaboration
★ 4.1 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Logo Design, Adobe Illustrator, Typography, Layout Design, Graphic and Visual Design, Graphic Design, Design Reviews, Branding, Design Elements And Principles, Graphic and Visual Design Software, Game Design, Visualization (Computer Graphics), Computer Graphic Techniques, Color Theory, Image Quality
★ 4.6 (16) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Software Development Tools, Data Structures, Programming Principles, Code Reusability, Program Development
★ 4.4 (31) · Intermediate · Guided Project · Less Than 2 Hours