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.

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Classification And Regression Tree (CART), Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Statistical Inference, Logistic Regression, Model Training, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
★ 3.9 (16) · Intermediate · Course · 1 - 3 Months

Qualcomm Academy
Skills you'll gain: Wireless Networks, Telecommunications, Emerging Technologies, Communication Systems, Internet Of Things, Digital Communications, Data Security, Technology Strategies, Network Infrastructure, Virtualization
★ 4.8 (733) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Financial Statements, Working Capital, Portfolio Management, Revenue Forecasting, Financial Analysis, Cash Flows, Financial Modeling, Investment Management, Income Statement, Pharmaceuticals, Financial Data, Business Valuation, Cash Flow Forecasting, Equities, Financial Reporting, Balance Sheet, Profit and Loss (P&L) Management, Financial Forecasting, Private Equity
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Business Analytics, Data Presentation, Analytics, Interactive Data Visualization, Data Literacy, Data Analysis, Analytical Skills, Big Data, Asset Management, Business Analysis, Feasibility Studies, Business Modeling, Intellectual Property, Data Quality, Information Management, Network Model, Data Strategy, Data-Driven Decision-Making, Business Intelligence
★ 4.6 (415) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Blogs, Content Performance Analysis, LinkedIn, Marketing Analytics, Professional Networking, Marketing Effectiveness, Digital Marketing, Marketing Channel, Web Analytics, Digital Marketing Campaigns, Digital Marketing Tools, Content Marketing, Marketing Strategies, Performance marketing, Marketing, Branding, Web Presence, Content Creation, Product Promotion
Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Intellectual Property, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Medical Privacy, General Data Protection Regulation (GDPR), Health Systems, Personally Identifiable Information, Health Care Procedure and Regulation, Law, Regulation, and Compliance, Information Privacy, Primary Care, Health Care Administration, Health Information Management, Regulatory Compliance, Medicaid, Medicare, Health Care, Health Administration, Healthcare Industry Knowledge, Pharmaceuticals, Health Policy
★ 4.7 (618) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Spreadsheet Software, Google Sheets, Microsoft Excel, Data Visualization, Excel Formulas, Data Entry, Data Analysis, Financial Modeling, Expense Management
★ 4.7 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Amazon Redshift, Identity and Access Management, Google Cloud Platform, Role-Based Access Control (RBAC), SQL, Database Design, Data Import/Export, Data Migration, Data Sharing, Data Modeling, Data Mapping, Data Architecture, Database Architecture and Administration, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Postman API Platform, MongoDB, API Testing, JavaScript Frameworks, Server Side, Back-End Web Development, Data Validation, Application Programming Interface (API), Web Development, Web Applications, Databases, Javascript, Application Development, Restful API, Email Automation, Middleware, Cloud Applications, Development Environment, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Tool Calling, Prompt Engineering, LLM Application, Anthropic Claude, Large Language Modeling, AI Integrations, AI Workflows, Cloud Deployment, Application Deployment, Servers, Development Environment, SQL, Databases, Development Testing, Data Integration, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MySQL Workbench, Database Design, MySQL, Database Development, Database Systems, Relational Databases, Databases, Database Management, SQL, Data Maintenance, Data Entry, Data Manipulation, Data Analysis, Data Science
★ 5 (11) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Market Data, Futures Exchange, Derivatives, Financial Modeling, Financial Market, Securities (Finance), Financial Analysis, Investment Management, Investment Banking, Portfolio Risk, Investments, Credit Risk, Business Valuation, Capital Budgeting, Accrual Accounting, Market Liquidity, Mathematical Modeling, General Accounting, Finance, Technical Accounting
Beginner · Specialization · 3 - 6 Months