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.

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Electronics Engineering, Electrical Engineering, 3D Modeling, Electronics, Electronic Components, Simulation and Simulation Software, 3D Assets, Simulations, Design Software, Verification And Validation, Open Source Technology, Data Import/Export
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Network Security, Security Testing, Threat Detection, Firewall, Digital Forensics, Anomaly Detection, Code Review, Routing Protocols, Network Routing, Proxy Servers, Linux, Internet Of Things
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Presentation, Geospatial Information and Technology, Geospatial Mapping, SQL, Data Visualization Software, Data Visualization, Verification And Validation, Plot (Graphics), Pivot Tables And Charts, Business Reporting, Query Languages, Microsoft Access, Report Writing, Data Sharing, Business Intelligence Software, Business Intelligence, Data Analysis Software, Data Analysis, Relational Databases, Microsoft Office
Intermediate · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Application Development, Information Management, Command-Line Interface, Application Deployment, Data Integrity, Databases, OS Process Management, Application Programming Interface (API), Mitigation
Intermediate · Specialization · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Microbiology, Epidemiology, Public Health and Disease Prevention, Public Health, Infectious Diseases, Environmental Science, Environment Health And Safety, Investigation, Environment, Environmental Monitoring, Laboratory Testing, Anthropology, Qualitative Research, Research Design, Research Methodologies, Data Collection
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, UI Components, Javascript, Cascading Style Sheets (CSS), Web Design, Web Development, User Interface (UI), Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Prompt Engineering Tools, Miro AI, Financial Accounting, Cash Flow Forecasting, Accounting, Cash Flows, Data Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Compliance Auditing, Regulatory Compliance, Cyber Governance, Communication Strategies, Internal Auditing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Failure Analysis, Applied Machine Learning, Model Training, AI Workflows, Model Optimization, Spatial Data Analysis, Predictive Modeling, Statistical Machine Learning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, Geospatial Information and Technology, GIS Software, Spatial Analysis, Data Literacy, Data Analysis, Image Analysis, Data Processing, Data Preprocessing, NumPy, Data Validation, Metadata Management, Data Collection, Data Management
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Data Analysis, Data Literacy, Data-Driven Decision-Making, Clinical Informatics, Image Analysis, AI Integrations, Health Technology, Diagnostic Tests, Advanced Analytics, Treatment Planning, Care Management, Emerging Technologies
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Agile Methodology, Agile Product Development, Product Strategy, Product Design, Market Analysis, Product Planning, Market Research, Customer Analysis, Target Market, Oral Expression, Stakeholder Communications, Data Analysis Software, Portfolio Management, Verbal Communication Skills, Data-Driven Decision-Making, Decision Making, Team Oriented, Data Analysis, Product Knowledge, Technical Communication
Beginner · Specialization · 1 - 3 Months