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: Gross Profit, Case Studies, Dashboard Creation, Performance Analysis, Business Reporting, Data Preprocessing, Business Analysis, Fiscal Management, Time Series Analysis and Forecasting
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Microsoft PowerPoint, Oral Expression, Public Speaking, Verbal Communication Skills, Professional Development, Driving engagement, Communication, Program Evaluation, Personal Development, Data Visualization, Constructive Feedback
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Package and Software Management, Code Review, Open Source Technology, Code Reusability, GitHub, Scientific Methods, Software Documentation, Science and Research, Technical Documentation, Informatics, Software Versioning, R (Software), Data Analysis, Programming Principles, R Programming, Git (Version Control System), Integrated Development Environments
Intermediate · Course · 1 - 3 Months

New York University
Skills you'll gain: Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Cybersecurity, Threat Management, Cyber Risk, Cyber Security Assessment, Information Systems Security, Network Security, Computer Security, Exploitation techniques, Risk Management Framework, Cryptography, Data Integrity
★ 4.7 (2.9K) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Dashboard Creation, Dashboard, Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Tableau Software, Market Data, Geospatial Information and Technology, Data Analysis, Analytical Skills, Application Deployment, Network Analysis, Financial Data, Financial Analysis
★ 5 (8) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Analysis, Geospatial Mapping, Metadata Management, Geostatistics, Data Validation, Query Languages, Technical Documentation, Document Management, SQL, Data Import/Export, Visual Design, Data Quality, PostgreSQL, Data Management, Data Transformation, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Algorithms, Computer Programming, Data Structures, Computational Thinking, Theoretical Computer Science
Intermediate · Course · 1 - 3 Months

Workday
Skills you'll gain: Workday (Software), Business Intelligence, No-Code Development, HR Tech, Role-Based Access Control (RBAC), Patch Management, Branding
★ 4.8 (376) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Applications, Cloud Development, Application Deployment, Generative AI, Application Development, Google Cloud Platform, Continuous Deployment, Cloud Deployment, Authentications, Cloud API, Data Storage, Data Storage Technologies, Computer Programming Tools, Cloud Storage, Software Development Tools, CI/CD, Performance Tuning, Identity and Access Management, Application Performance Management, Authorization (Computing)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Spreadsheet Software, Microsoft Excel, Data Visualization, Google Sheets
★ 4.5 (188) · Beginner · Guided Project · Less Than 2 Hours
Madecraft
Skills you'll gain: Google Analytics, Marketing Analytics, Web Analytics, Data-Driven Marketing, Analytics, Digital Analysis, Customer Analysis, Business Reporting, Customer Insights, Target Audience, Data-Driven Decision-Making, Marketing Channel, Business Metrics, Advertising Campaigns, Customer Acquisition Management, Customer Engagement, Customer Retention, Data Collection, Demography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, AI literacy, Multimodal Prompts, Artificial Intelligence
★ 3.6 (20) · Beginner · Guided Project · Less Than 2 Hours