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.

Northeastern University
Skills you'll gain: Financial Statements, Financial Statement Analysis, Balance Sheet, Financial Analysis, Financial Accounting, Financial Data, Income Statement, Budget Management, Budgeting, Financial Management, Credit Risk, Financial Planning, Health Care Administration, Performance Analysis, Loans, Equities, Capital Markets
★ 4.8 (9) · Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Incident Response, Network Security, Vulnerability Scanning, Computer Security Incident Management, Security Management, Incident Management, Penetration Testing, Cybersecurity, Authentications, Cyber Attacks, Security Controls, Vulnerability Assessments, Encryption, Firewall, Threat Management, User Accounts, Identity and Access Management, Mobile Security, Risk Management
★ 4.9 (30) · Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Constructive Feedback, Client Services, Data Storage, Data Storage Technologies, Video Editing, Editing, Social Media Content, Style Guides, Sales Presentations, Social Media Strategy, Rapport Building, Data Maintenance, Social Media Management, Social Media Marketing, Video Production, Customer Retention, File Management, Selling Techniques, Customer Relationship Building, Cloud Storage
★ 4.1 (10) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Cyber Governance, Cybersecurity, Cyber Security Policies, Intrusion Detection and Prevention, Cryptography, Network Security, Cyber Risk, Cryptographic Protocols, Cyber Attacks, Cyber Security Assessment, Cyber Security Strategy, Threat Management, Security Management, Risk Management Framework, Threat Detection, Encryption, Vulnerability Scanning, Incident Response
★ 3.4 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Artificial Intelligence, Image Analysis, Natural Language Processing, Generative AI, AI powered creativity, AI literacy, Large Language Modeling, Model Deployment, Amazon Bedrock, AI Workflows, AI Integrations, AI Security, Robotics, Application Deployment, Data Processing, Applied Machine Learning, Reinforcement Learning, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Threat Management, Threat Detection, Cybersecurity, Data Preprocessing, Data Management, Data Quality, Technical Communication, Automation, Requirements Analysis
★ 4.7 (34) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Relational Databases, Database Management Systems, Database Architecture and Administration, Database Management, Multi-Tenant Cloud Environments, Database Software, Software Installation, Query Languages, System Configuration, SQL, Virtual Environment, Infrastructure Security, Data Storage, Virtual Machines, Software Documentation
★ 4.6 (10) · Intermediate · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Infrastructure, Key Management, Transaction Processing, Authentications, Data Security, Information Privacy, Data Integrity
★ 4.5 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Health Technology, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Industry Knowledge, Data Management, Health Care, Health Informatics, Cloud Security, Personally Identifiable Information, Health Care Procedure and Regulation, Regulatory Compliance, Information Systems Security, Information Privacy, Data Storage Technologies, Information Management, Data Security, Health Information Management and Medical Records, Cloud Standards, Information Technology
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Video Game Development, Computer Graphics, Visualization (Computer Graphics), Animation and Game Design, Game Design, 3D Assets, Microsoft Visual Studio, Computer Graphic Techniques, Artificial Intelligence, User Interface (UI), Animations, Application Development
★ 3.9 (105) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Power, Power Electronics, Electrical Systems, Electrical Equipment, Torque (Physics), Electronic Components, Electric Power Systems, Basic Electrical Systems, Electrical Engineering, Semiconductors, Engineering, Scientific, and Technical Instruments, Mechanical Engineering, Plant Operations and Management, Electronics, Engineering Calculations, High Voltage, Machine Controls, Electronics Engineering, Energy and Utilities, Thermal Management
★ 4.4 (95) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Apache Maven, Maintainability, Java Programming, Gradle, Software Design, Software Design Patterns, Software Architecture, Build Tools, Object Oriented Design, Object Oriented Programming (OOP), Machine Learning Methods, Integration Testing, Dependency Analysis, User Interface (UI) Design, Design Strategies, Design Elements And Principles, Program Evaluation, Automation
Advanced · Course · 1 - 4 Weeks