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.

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Loyalty Programs, Marketing Analytics, Branding, Customer Engagement, Brand Management, Marketing, Marketing Strategy and Techniques, Digital Transformation, Social Media Strategy, Content Strategy, Strategic Partnership, Customer experience improvement, Customer Relationship Management, Personalized Service, Data Analysis, Technology Strategies, Innovation, Cross Platform Development, Artificial Intelligence, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Algorithms, Computational Thinking, Theoretical Computer Science, Computational Logic, Critical Thinking and Problem Solving, Computer Science, Data Structures, Critical Thinking, Classification Algorithms, Logical Reasoning, Graph Theory, Mathematical Theory & Analysis, Complex Problem Solving, Analysis, Game Theory
★ 4.2 (6) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: AI literacy, Writing and Editing, Editing, Responsible AI, Writing, Workplace inclusivity, Business Writing, Diversity and Inclusion, Analysis, Target Audience, Communication, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Real Time Data, OpenAI API, Data Capture, Scripting, OpenAI, Natural Language Processing, LLM Application, Python Programming, Data Processing, Application Development, Machine Learning
★ 4.5 (8) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Security Controls, Configuration Management, Package and Software Management, Cybersecurity, Identity and Access Management, Software Installation, Computer Programming, Information Technology
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Memory Management, Database Administration, Database Management, Database Architecture and Administration, Performance Tuning, Server Administration, Data Maintenance, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Authentications
Intermediate · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Employee Onboarding, Employee Retention, Talent Acquisition, Employee Engagement, New Hire Orientations, Continuous Improvement Process, Process Development, Process Improvement, Relationship Building, Performance Metric, Employee Performance Management, Drive Engagement, Performance Management, Goal Setting, Internal Communications, Communication, Leadership Development
★ 4.5 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Snowflake Schema, Business Intelligence, Power BI, Cloud Security, Business Analytics, Business Intelligence Software, Cloud Management, Advanced Analytics, Cloud-Based Integration, Data Management, Data Governance, Amazon Web Services, Data Integration, Data Security, Cost Control, Data Visualization Software, Cloud Computing, Data Warehousing, Data Modeling, Cloud Applications
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Market Research, Marketing Psychology, Consumer Behaviour, Target Audience, Surveys, Target Market, User Research, Data-Driven Decision-Making, Key Performance Indicators (KPIs), Customer Analysis, Business Research, Qualitative Research, Market Analysis, Marketing Strategies, Data-Driven Marketing, Marketing Analytics, Performance Measurement, Survey Creation, User Feedback, Google Analytics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Electrical Equipment, Electrical Systems, Architectural Drawing, Electrical Power, AutoCAD, Computer-Aided Design, Autodesk, Blueprint Reading, Electrical Engineering, Engineering Drawings, Electric Power Systems, Basic Electrical Systems, Engineering Calculations, Energy and Utilities, Data Entry, Estimation
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Marketing Analytics, Supervised Learning, Customer Analysis, Customer Retention, Data-Driven Marketing, Applied Machine Learning, Predictive Analytics, Marketing, Scikit Learn (Machine Learning Library), Machine Learning Methods, AI Personalization, Customer Insights, Machine Learning, Model Deployment, Predictive Modeling, Machine Learning Algorithms, Python Programming, Personalized Service, Model Training, Model Evaluation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, OSI Models, Wireless Networks, Network Security, Network Protocols, TCP/IP, General Networking, Network Model, Network Infrastructure, Computer Networking, Network Architecture, Network Routing, Network Routers, Network Monitoring, Cloud Computing, Networking Hardware, Command-Line Interface, Cloud Solutions, Network Performance Management, Network Switches
Intermediate · Course · 3 - 6 Months