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.

Duke University
Skills you'll gain: Technical Communication, Cloud Infrastructure, Cloud Technologies, Cloud Services, Cloud Hosting, CI/CD, Cloud Computing, Azure DevOps Pipelines, Agile Software Development, Cloud Development, DevOps, Technical Documentation, Infrastructure As A Service (IaaS), Cloud Platforms, Continuous Delivery, Infrastructure as Code (IaC), Serverless Computing, Continuous Integration, Agile Project Management, GitHub
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Make.com, LinkedIn, Marketing Automation, Generative AI Agents, Social Media Content, Digital Marketing Tools, Social Media Marketing, AI Integrations, Application Programming Interface (API), Generative AI, Content Creation, Automation, OpenAI API, Artificial Intelligence, Content Marketing, Workflow Management
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization, Data Visualization Software, Visualization (Computer Graphics), Matplotlib, Plot (Graphics), Data Preprocessing, Pandas (Python Package), Data Processing, Data Cleansing, Data Integration, Big Data, Programming Principles, Python Programming
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, IT Security Architecture, Security Testing, Single Sign-On (SSO), Data Security, Contingency Planning, User Provisioning, Cryptography, Network Security, Application Security, Information Systems Security, Cryptographic Protocols, Asset Protection, Cloud Security, Computer Security Incident Management, Digital Assets, Public Key Cryptography Standards (PKCS), Incident Response, Risk Management Framework, Risk Management
Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Presentations, Google Workspace, Productivity Software, Sales Presentations, Business Communication, Version Control, Collaborative Software, Document Management, Multimedia, Data Sharing, Business Solutions, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, Prompt Patterns, AI Workflows, Generative Model Architectures, Fine-tuning, Model Deployment, Token Optimization, AI Integrations, Applied Machine Learning, Hugging Face, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Memory Management, Object Oriented Programming (OOP), Context Management, API Testing, Document Management, AI literacy, Model Optimization
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Game Design, Human Computer Interaction, Program Development, Code Reusability, Python Programming, Programming Principles, Computer Programming, Mathematical Software, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Visualization Software, Dashboard Creation, Data Wrangling, Performance Tuning, Model Optimization, Dashboard, Statistical Analysis, Data Processing, Analysis, Data Synthesis, Business Intelligence, Data Analysis, Big Data, Data Science, Business Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Automation, Setting Appointments, Generative AI Agents, AI Workflows, Calendar Management, AI Integrations, Prompt Engineering, Customer Service, Customer Communications Management, Scheduling, Inbound Calls, Dental Care, Greeting Customers, Dentistry
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Data Access, Programming Principles, Program Development, Maintainability, Records Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Multimodal Prompts, Prompt Patterns, OpenAI API, ChatGPT, OpenAI, JSON, Large Language Modeling, Python Programming, Text Mining, Data Capture, Data Validation, Unstructured Data, Development Environment, Key Management
Intermediate · Course · 1 - 3 Months