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: Performance Testing, Vector Databases, Performance Tuning, Query Languages, SQL, Application Performance Management, Benchmarking, System Monitoring, Secure Coding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Data Preprocessing, Exploratory Data Analysis, Feature Engineering, Model Deployment, Data Analysis, PySpark, Data Import/Export, Data Transformation, Apache Spark, Decision Tree Learning, Customer Analysis, Predictive Modeling, Predictive Analytics, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours
Rice University
Skills you'll gain: Pivot Tables And Charts, Excel Formulas, Graphing, Microsoft Excel, Spreadsheet Software, Data Analysis, Histogram, Scatter Plots, Data Import/Export, Data Manipulation, Data Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ChatGPT, Market Research, Marketing, Prompt Engineering, Language Interpretation, Translation, and Studies, Generative AI, Content Marketing
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Business Ethics, Machine Learning, Accountability, Artificial Intelligence and Machine Learning (AI/ML), Risk Analysis, Case Studies, Risk Mitigation, Law, Regulation, and Compliance, Decision Making, Workforce Management, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Data Preprocessing, Operations Research, NumPy, Data Manipulation, Supply Chain, Data Transformation, Pandas (Python Package), Data Analysis, Data Cleansing, Data Science, Jupyter, Programming Principles, Python Programming, Pivot Tables And Charts, Applied Machine Learning, Plot (Graphics), Data Structures, Scripting
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Public Speaking, Presentations, Verbal Communication Skills, Storytelling, Drive Engagement, Communication, Persuasive Communication, Non-Verbal Communication, Business Writing, Composure, Adaptability, Creativity
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft 365, Network Security, Business Software, Computer Hardware, Cybersecurity, Microsoft Office, Desktop Support, Virtual Private Networks (VPN), Network Troubleshooting, Technical Support and Services, Technical Support, Hardware Troubleshooting, Generative AI, Operating Systems, Collaborative Software, System Support, Network Protocols, TCP/IP, Application Security, Cloud Computing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Income Statement, General Ledger, General Accounting, Financial Reporting, Ledgers (Accounting), QuickBooks (Accounting Software), Financial Statements, Excel Formulas, Balance Sheet, Financial Accounting, Accounting Records, Accounting, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Data, Test Tools, Maintainability, Test Case, Business Process Automation, Test Execution Engine, Enterprise Application Management, Automation, Case Studies, Business Reporting, User Acceptance Testing (UAT), No-Code Development, Business Process, SAP Applications, Process Validation, Scalability
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales Presentation, Influencing, Persuasive Communication, Intercultural Competence, Virtual Teams, Storytelling, Behavioral Economics, Business Research, Value Propositions, Active Listening, Market Research, Empathy & Emotional Intelligence, Sales Pipelines, Marketing Psychology, Digital Communications, Collaboration, Customer Relationship Management (CRM) Software, Stakeholder Management, Strategic Communication, Cross-Functional Collaboration
Intermediate · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Algorithms, Data Storage Technologies, Debugging, Program Development, Database Systems, Database Theory, Network Routing, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months