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 California, Davis
Skills you'll gain: Fundraising, Fundraising and Crowdsourcing, Campaign Management, Direct Marketing, Advertising Mail, Campaign Planning, Data-Driven Marketing, Customer Relationship Building, Driving engagement, Target Audience, Email Marketing, Telemarketing, Events and Conferences, Event Planning, Relationship Building, Data-Driven Decision-Making, Cross-Channel Marketing, Communication Strategies
★ 4.2 (52) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Migration, Data Pipelines, Cloud Deployment, Data Import/Export
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Clinical Documentation, Generative AI, Responsible AI, Data Ethics, Medical Coding, Patient Coordination, ChatGPT, Healthcare Project Management, Care Coordination, Electronic Medical Record, Healthcare Ethics, Health Informatics, Patient Communication, Health Information Management, Business Process Automation, Prompt Engineering, Operational Efficiency, Compliance Management, Technology Roadmaps, Change Management
★ 4.2 (57) · Intermediate · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Digital Marketing, Paid media, Search Engine Optimization, Online Advertising, Keyword Research, Conversion Funnel Analysis, Digital Marketing Campaigns, Digital Advertising, Marketing Strategy and Techniques, Content Optimization, Marketing, Customer Acquisition Management, Customer Engagement, Lead Generation, Target Audience, Target Market
★ 4.7 (117) · Beginner · Course · 1 - 4 Weeks

University of Virginia Darden School Foundation
Skills you'll gain: Large Language Modeling, Customer Insights, Online Advertising, Digital Advertising, Keyword Research, LLM Application, Search Engine Marketing, AI Personalization, Content Marketing, Marketing Strategies, Google Ads, Digital Marketing Campaigns, Digital Marketing, Digital Brand Strategy, Generative AI, Data-Driven Marketing, Personalized Campaigns, Marketing Analytics, Consumer Behaviour, Brand Marketing
★ 4 (70) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, GitHub Copilot, Generative AI, ChatGPT, AI Integrations, Scripting, Python Programming, Application Development, Test Script Development, Web Applications, AI Workflows, Jupyter, Web Development, Data Analysis, Pandas (Python Package), Software Documentation
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Global Marketing, Brand Management, Marketing, Brand Strategy, Strategic Marketing, Marketing Management, Brand Marketing, Branding, Customer Relationship Management, Marketing Planning, Marketing Strategy and Techniques, Marketing Strategies, Digital Media Strategy, Customer Relationship Building, Customer Retention, Online Advertising, Digital Advertising, Digital Marketing, Marketing Communications, Marketing Channel
★ 4.8 (140) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Tidyverse (R Package), Model Evaluation, Data Visualization, Clinical Data Management, Statistical Visualization, Data Preprocessing, Model Deployment, Data Manipulation, Data Wrangling, Model Training, Predictive Modeling, Model Optimization, R Programming, Data Processing, R (Software), Ggplot2, Predictive Analytics, Data Pipelines, Machine Learning Methods, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Customer Relationship Building, Conversion Funnel Analysis, Brand Loyalty, Driving engagement, Customer Retention, Order Delivery, Client Services, Social Media Management, Social Media Analytics, Drive Engagement, Social Media Content, Customer Relationship Management, Customer Engagement, Digital Media Strategy, E-Commerce, Marketing Planning, Digital Marketing
★ 4.9 (49) · Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Data Analysis, Spatial Analysis, NoSQL, Data Modeling, Database Design, Data Store, Databases, Data Storage Technologies, Database Systems, SQL, Data Storage, Query Languages, Relational Databases
★ 3.5 (99) · Beginner · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, Business Process Automation, Multimodal Prompts, Prompt Patterns, AI literacy, Generative AI Agents, Productivity, Context Engineering, Document Management
★ 4.8 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Data Visualization, User Feedback, Customer experience improvement, Spreadsheet Software, Customer Insights, Customer Analysis, Customer Service, Google Workspace, Trend Analysis, Analysis
★ 4.7 (560) · Intermediate · Guided Project · Less Than 2 Hours