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: Team Performance Management, Performance Management, Smart Goals, Employee Performance Management, Performance Review, Management Training And Development, Performance Appraisal, People Development, Goal Setting, Performance Analysis, Performance Measurement, AI Personalization, HR Tech, Workforce Development, Employee Engagement, Constructive Feedback, Driving engagement, Key Performance Indicators (KPIs), Coaching, Analytics
★ 4 (10) · Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Intelligence Collection and Analysis, Competitive Intelligence, Critical Thinking, Analysis, Decision Intelligence, Digital Transformation, Timelines, Decision Making, Stakeholder Analysis, Business Strategy, Complex Problem Solving, International Relations, Empathy & Emotional Intelligence, Forecasting, Artificial Intelligence, AI Integrations
★ 4.6 (679) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Data Storytelling, Tableau Software, Dashboard, Interactive Data Visualization, Dashboard Creation, Data Visualization, Data Visualization Software, Spreadsheet Software, Data Analysis, Key Performance Indicators (KPIs), Portfolio Management, Performance Analysis, Financial Data
Beginner · Course · 1 - 3 Months

Skills you'll gain: Customer Insights, Digital Marketing, Digital Media Strategy, Customer Analysis, Marketing Strategies, Customer experience strategy (CX), Strategic Marketing, Marketing Planning, Digital Analysis, Digital Marketing Campaigns, Content Marketing, Data-Driven Marketing, Journey Mapping, Target Audience, Customer Engagement, Persona Development, Personalized Service, Marketing Analytics, Brand Marketing, Smart Goals
★ 4.7 (252) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: OAuth, Cloud API, Application Programming Interface (API), API Design, Restful API, Authentications, Authorization (Computing), Security Controls, Application Security, Data Security, JSON, Identity and Access Management, Cryptographic Protocols, Threat Management
★ 4.6 (841) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Database Management, Data Presentation, Microsoft Power Platform, Dashboard Creation, Data Transformation
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Stored Procedure, PostgreSQL, SQL, Database Management, Database Design, Relational Databases, Query Languages, Data Transformation, Data Manipulation, Data Import/Export, Data Integrity, Transaction Processing, Performance Tuning, Algorithms
★ 4.7 (338) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: GitHub Copilot, Generative AI, Microsoft Copilot, Prompt Engineering, Test Case, Responsible AI, Microsoft Visual Studio, Version Control, Code Review, Data Ethics, GitHub, Prompt Patterns, Microsoft Development Tools, Integrated Development Environments, AI literacy, Software Versioning, AI Integrations, Risking, Software Development Tools, Project Management
★ 4.3 (199) · Intermediate · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Dashboard, Data Storytelling, Dashboard Creation, Data Presentation, Data Visualization Software, Tableau Software, Data Visualization, Plot (Graphics), Interactive Data Visualization, Real Time Data, Data Manipulation, Data Integration, Data Import/Export, Data Cleansing, Data Analysis
★ 4.6 (48) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, Network Architecture, TCP/IP, Network Performance Management, General Networking, Network Engineering, Wireless Networks, Telecommunications, Digital Communications
★ 4.7 (538) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Brand Marketing, Style Guides, Marketing Design, Brand Awareness, Branding, Marketing Materials, Marketing Collateral, Organizational Skills, Marketing, File Management, Graphic Design, Business, Digital Marketing
★ 4.6 (929) · Intermediate · Guided Project · Less Than 2 Hours

Universitat Autònoma de Barcelona
Skills you'll gain: Computer Security Awareness Training, Operating Systems, Computer Literacy, digital literacy, File Management, Data Security, Information Technology, Computer Hardware, Safety and Security, Computer Systems
★ 4.7 (747) · Beginner · Course · 1 - 3 Months