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: Microsoft Excel, Excel Formulas, Data Entry, Microsoft Office, Spreadsheet Software, Productivity Software, Data Manipulation, Data Literacy, Decision Making, Data Presentation, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

Howard University
Skills you'll gain: Data Wrangling, Linear Algebra, Regression Analysis, Data Manipulation, Predictive Modeling, Dimensionality Reduction, Data Science, Data Visualization, Plot (Graphics), Mathematical Modeling, Scientific Visualization, Data Preprocessing, NumPy, Predictive Analytics, Statistical Modeling, Mathematical Software, Statistical Methods, Applied Mathematics, Algebra, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Data Visualization, Cloud Applications, Application Deployment, UI Components, Server Side, Dashboard Creation, Performance Tuning, R (Software), Dashboard, Secure Coding, User Interface (UI), Application Lifecycle Management, Web Applications, Authentications, Application Development, R Programming, Data Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Data Warehousing, Apache Hadoop, Power BI, Data Architecture, Data Visualization Software, Microsoft Azure, Apache Spark, Extract, Transform, Load, Data Engineering, Database Administration, Big Data, Apache, Data Integration, Business Intelligence, SQL, Databases, Warehousing, Analytics, Data Storage
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard Creation, Dashboard, Data Preprocessing, Interactive Data Visualization, Data Visualization Software, Real Time Data, Data Analysis, Application Programming Interface (API), No-Code Development, JSON, Javascript
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: AI Personalization, Personalized Campaigns, Data-Driven Marketing, Marketing Analytics, A/B Testing, Campaign Planning, Marketing Strategies, Marketing Effectiveness, Digital Marketing Campaigns, Prompt Engineering Tools, Product Marketing, Campaign Management, Advertising Campaigns, Performance Measurement, Generative AI, Target Audience, Google Ads, Prompt Engineering, Analytics, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Fraud detection, Anomaly Detection, R Programming, Credit Risk, R (Software), Applied Machine Learning, Analytical Skills, Machine Learning Methods, Analysis, Case Studies, Unsupervised Learning, Risk Analysis, Analytics, Business Strategies, Predictive Analytics, Data-Driven Decision-Making, Supervised Learning, Big Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Object Oriented Programming (OOP), Matplotlib, Pandas (Python Package), Plot (Graphics), Interactive Data Visualization, Data Visualization, Seaborn, Data Analysis, File I/O, Data Visualization Software, NumPy, Data Structures, Restful API, Python Programming, Application Programming Interface (API), Data Manipulation, Programming Principles, Computer Programming, Program Development
Intermediate · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Information Privacy, Data Security, Security Testing, Threat Detection, Responsible AI, Data Governance, Cyber Threat Intelligence, Data Management, Cyber Attacks, Cloud Security, Cyber Security Strategy, Cybersecurity, Data Loss Prevention, Data Integrity, Security Management, Security Controls, Security Awareness, Cyber Operations, Artificial Intelligence and Machine Learning (AI/ML), Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Data Maintenance, Database Architecture and Administration, Database Administration, Data Migration, Relational Databases, Database Design, Patch Management, Data Integrity, Data Import/Export, User Accounts, User Provisioning, Disaster Recovery, Transaction Processing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Web Applications, Containerization, Devops Tools, Virtual Networking, YAML, Service Management, Memory Management, Command-Line Interface
Intermediate · Course · 1 - 3 Months