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.

Total Seminars
Skills you'll gain: Penetration Testing, Metasploit, Exploitation techniques, Exploit development, Vulnerability Scanning, Security Testing, Technical Communication, Scripting, Technical Writing, Security Engineering, Technical Documentation, Bash (Scripting Language), Code Review, Security Requirements Analysis, Windows PowerShell, Security Awareness, Python Programming, Linux, Persistence, Applicant Tracking Systems
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Visualization, Data Storytelling, Interactive Data Visualization, People Analytics, Microsoft Excel, Prompt Engineering, Oral Expression, Trend Analysis, AI Workflows, Descriptive Analytics, Persuasive Communication, Stakeholder Communications, AI Integrations, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Pipelines, Data Transformation, Data Analysis, Analytics, Data Warehousing, Data Integration, Data Cleansing, Data Governance, Performance Tuning
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Prompt Engineering, LLM Application, Artificial Intelligence, Jupyter, Python Programming, Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, AI Integrations, Data Literacy, Application Development, Scripting, Programming Principles, Automation, Computer Programming, Application Programming Interface (API), Package and Software Management, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Teradata SQL, Query Languages, SQL, Extract, Transform, Load, Data Modeling, Identity and Access Management, Google Cloud Platform, Data Warehousing, Data Import/Export, Role-Based Access Control (RBAC), Big Data, Database Design, Data Architecture, Data Migration, Database Architecture and Administration, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Presentation, Report Writing, Data Storytelling, Presentations, Research Reports, Data Visualization, Business Reporting, Microsoft PowerPoint, Business Communication, Branding, Business Metrics
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Hybrid Cloud Computing, Cloud Management, Cloud Infrastructure, Cloud Computing, AI Orchestration, AI Workflows, Data Infrastructure, Data Centers, IT Automation, Infrastructure Architecture, Information Technology Operations, Cloud Deployment, Artificial Intelligence and Machine Learning (AI/ML), Network Infrastructure, Hardware Architecture, System Monitoring, System Support, Automation, System Configuration, Configuration Management
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Stored Procedure, NoSQL, Database Design, Database Architecture and Administration, SQL, Database Systems, Relational Databases, Cloud Applications, Database Theory, PostgreSQL, Database Management Systems, Data Store, Databases, Database Development, Data Modeling, JSON, Database Management, Text Mining, Query Languages, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaborative Software, Data Integrity, Content Management Systems, Data Sharing, Security Controls, User Accounts, Authorization (Computing), Identity and Access Management, Data Management, Security Management, Data Access
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Social Network Analysis, Algorithms, Network Model, Network Analysis, Data Structures, Command-Line Interface, JSON, Data Processing, Continuous Integration, Package and Software Management, Linear Algebra
Intermediate · Course · 1 - 3 Months

British Standards Institution
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Data Governance, Risk Management Framework, Risk Management, Compliance Management, Accountability Frameworks, Risk Analysis, Risk Mitigation, Data Quality, Regulatory Compliance, Governance, Human Machine Interfaces, Trustworthiness
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Overcoming Objections, Phone Sales, Telephone Skills, Closing (Sales), Return On Investment, B2B Sales, Price Negotiation, Prompt Engineering, Customer Service, Data Storytelling, Real Time Data, Data-Driven Decision-Making, Persona (User Experience), Analysis, Data Visualization, Storytelling, Performance Metric, Business Metrics, Data Import/Export
Intermediate · Course · 1 - 4 Weeks