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: SQL, PostgreSQL, Query Languages, Database Management Systems, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Data Ethics, AI Personalization, Customer Engagement, Customer experience improvement, Customer Relationship Management (CRM) Software, Customer Retention, Sales Prospecting, Selling Techniques, Sales Strategy, Customer Analysis, Microsoft Copilot, Sales Process, Law, Regulation, and Compliance, Sales Presentations, Responsible AI, Verbal Communication Skills, Prospecting and Qualification, Email Automation, Calendar Management
Advanced · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Communication Systems
Advanced · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Customer Retention, Loyalty Programs, Brand Loyalty, Customer Relationship Management, Customer Insights, Customer Relationship Building, Customer Data Management, Marketing Analytics, Customer Acquisition Management, Marketing Effectiveness, Data-Driven Marketing, Customer Analysis, Relationship Management, Marketing Strategies, Return On Investment, Equities, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Event Monitoring, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Computer Security Incident Management, Continuous Monitoring, Incident Response, Security Awareness, Security Management, Malware Protection, Network Security, Network Analysis, Network Monitoring
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Process Flow Diagrams, Process Analysis, Lean Methodologies, Lean Manufacturing, Kaizen Methodology, Statistical Analysis, Quality Improvement, Statistical Methods, Quality Monitoring, Process Improvement, Process Capability, Process Improvement and Optimization, Quality Management, Continuous Quality Improvement (CQI), Project Management, Process Optimization
Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: ChatGPT, AI literacy, OpenAI, Responsible AI, Artificial Intelligence, Productivity, Prompt Engineering, LLM Application, Data Ethics, Generative AI, Automation, Creativity, Ethical Standards And Conduct, Innovation, Content Creation, Natural Language Processing, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Research Methodologies, Science and Research, Research, Surveys, Scientific Methods, Social Sciences, Data Collection, Research Design, Experimentation, Survey Creation, Sample Size Determination, Economics, Policy, and Social Studies, Social Studies, Ethical Standards And Conduct, Probability & Statistics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Fine-tuning, Multimodal Prompts, Generative Model Architectures, PyTorch (Machine Learning Library), Model Training, Data Processing, Tensorflow, Knowledge Transfer, Keras (Neural Network Library), Deep Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Artificial Intelligence, Internet Of Things, Unsupervised Learning, Python Programming, Machine Learning Algorithms, Deep Learning, Machine Learning, AI Integrations, Convolutional Neural Networks, Image Analysis, Artificial Neural Networks, Reinforcement Learning, Emerging Technologies, Healthcare 5.0, Data Preprocessing, Natural Language Processing, Model Evaluation
Intermediate · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Cybersecurity, Data Management, Infrastructure Security, Interoperability, Digital Transformation, Data Security, Data Governance, Public Administration, Governance, Case Studies, Public Key Infrastructure, digital literacy, Identity and Access Management, Service Design, Policy Analysis, Innovation, Strategic Planning
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Experimentation, Research Design, Statistical Modeling, Machine Learning Methods, Statistical Methods, Applied Machine Learning, Supervised Learning, Logistic Regression, Predictive Modeling, Machine Learning Algorithms, Statistical Programming, Model Training, Statistical Analysis, Statistical Inference, Simulation and Simulation Software, Probability & Statistics, Data Science, Data Visualization, Simulations, Data Analysis
Intermediate · Course · 1 - 4 Weeks