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: Model Evaluation, Exploratory Data Analysis, Data Analysis, Classification Algorithms, Data Preprocessing, Scikit Learn (Machine Learning Library), Predictive Modeling, Matplotlib, Pandas (Python Package), Applied Machine Learning, Data Visualization Software, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Data Validation, iOS Development, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, Interactive Design, Human Computer Interaction, Interaction Design, User Flows, Scalability, Usability, Verification And Validation, Maintainability, User Experience Design
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Sales Pipelines, B2B Sales, Prospecting and Qualification, Consultative Selling, Selling Techniques, Sales Process, Persuasive Communication, Communication, Stakeholder Engagement, Enterprise Sales, Value Propositions, Performance Metric, Upselling, Technical Sales, Sales, Cross Selling, Overcoming Objections, Sales Presentations, Negotiation, Analytics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Prompt Engineering, Development Environment, Large Language Modeling, Text Mining, Databases, OpenAI, Semantic Web, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Large Language Modeling, LLM Application, Development Environment, Multimodal Prompts, Embeddings, Vector Databases, User Interface (UI), Generative AI, AI Workflows, AI Personalization, Prompt Engineering, Agentic systems, Data Visualization, Image Analysis, Application Development, Augmented Reality, Text Mining, Graph Theory, Query Languages
Intermediate · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Security Engineering, Authentications, Threat Modeling, Network Security, Public Key Infrastructure, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, Cyber Attacks, Cryptography, Infrastructure Security, Cybersecurity, Cyber Security Strategy, Data Encryption Standard, Cyber Risk, Mobile Security, Enterprise Security, Computer Security, Application Security, Threat Detection, Cyber Security Policies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Marketing Automation, Lead Generation, Customer Relationship Management (CRM) Software, Brand Awareness, Sales Pipelines, Customer Acquisition Management, Marketing Operations, Marketing Effectiveness, Social Media, Branding, Performance Analysis, Social Media Management, Brand Management, Business Metrics, Data Capture, Data-Driven Decision-Making, Market Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Serverless Computing, Database Management, Cloud-Native Computing, Amazon DynamoDB, Internet Of Things, DevOps, Cloud Deployment, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Management
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Build Tools, CI/CD, Software Development Tools, Java, Gradle, Apache Maven, MLOps (Machine Learning Operations), Package and Software Management, Dependency Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Culture Transformation, Process Improvement, Quality Improvement, Systems Thinking, Analysis, Employee Engagement, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, User Interface (UI) Design, Application Programming Interface (API), Restful API, Cross Platform Development
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Threat Modeling, Cyber Threat Intelligence, Incident Response, DevSecOps, MITRE ATT&CK Framework, Cloud Security, Threat Detection, Risk Management, Cost Management, Cyber Security Strategy, Governance, Security Controls, Vulnerability Assessments, Compliance Management, Role-Based Access Control (RBAC), Automation
Intermediate · Course · 1 - 4 Weeks