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: Excel Formulas, Data Validation, Spreadsheet Software, Microsoft Excel, Accounting, Data Integrity, Financial Reporting, Vocabulary, Automation
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Cyber Risk, Malware Protection, Cryptography, General Data Protection Regulation (GDPR), Exploitation techniques, Information Privacy, Human Factors (Security), Multi-Factor Authentication, Authentications
★ 4.8 (12) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Inventory and Warehousing, Database Design, Data-Driven Decision-Making, Analytics, Cloud Storage, Dashboard, Spreadsheet Software, Dashboard Creation, Data Management
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Formulas, Microsoft Excel, Data Processing, Spreadsheet Software, Data Entry, Data Analysis Software, Microsoft Office
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Computer Networking, Cloud Infrastructure, Network Security, Network Troubleshooting, Security Requirements Analysis, Network Model, Network Analysis, Firewall, Load Balancing, Hybrid Cloud Computing, Scalability
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Marketing Planning, Marketing, Digital Marketing, Strategic Marketing, UI/UX Strategy, Digital Content, Marketing Strategies, Digital Advertising, E-Commerce, Content Optimization, Social Media Marketing, Search Engine Optimization, Brand Awareness, Customer Engagement
★ 4.3 (9) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Package and Software Management, Data Structures, Software Installation, Code Reusability, Build Tools, Programming Principles, Other Programming Languages, Secure Coding, Integrated Development Environments, Data Sharing, Data Access
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Amazon CloudWatch, Dashboard Creation, Interactive Data Visualization, Authentications, DevOps, Amazon Web Services, System Configuration, Software Installation
★ 5 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Risk, Securities (Finance), Data Analysis, International Finance
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vector Databases, Semantic Web, Model Optimization, Embeddings, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Interactive Design, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
★ 3.9 (28) · Beginner · Guided Project · Less Than 2 Hours

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