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: Android Studio, Kotlin, Android Jetpack, Android Development, Android (Operating System), Mobile Development, Unit Testing, Responsive Web Design, Gradle, Mobile Development Tools, User Interface (UI), UI Components, Code Reusability, Application Development, Integrated Development Environments, User Interface (UI) Design, Object Oriented Programming (OOP), Cross Platform Development, Wireframing, Prototyping
★ 4.6 (1.9K) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Law, Regulation, and Compliance, Information Privacy, Personally Identifiable Information, Data Security, General Data Protection Regulation (GDPR), Legal Risk, Regulation and Legal Compliance, Data Governance, Data Ethics, Court Systems, Legal Strategy, Civil Law, Regulatory Compliance, Compliance Management, Financial Industry Regulatory Authorities, Program Development, Case Law
Beginner · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: AI Personalization, MarTech, Applied Machine Learning, Machine Learning Methods, AI Enablement, Data-Driven Marketing, Marketing, Generative AI, Machine Learning, Natural Language Processing, Data Strategy, Data Quality, Data Literacy, Personalized Campaigns, Text Mining, Culture Transformation, Artificial Intelligence, Prompt Engineering, AI Workflows, Computer Vision
Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Convolutional Neural Networks, Transfer Learning, Image Analysis, Model Training, Deep Learning, Python Programming
★ 4.4 (228) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, PostgreSQL, Data Manipulation
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: Email Automation, ChatGPT, Prompt Engineering, Gmail, AI Personalization, Calendar Management, Setting Appointments, Workflow Management, Customer Communications Management, Automation, Customer Inquiries, Generative AI, Travel Arrangements
★ 4.4 (32) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Environmental Policy, Data Literacy, Data Analysis, Policy Development, Data Visualization, Descriptive Statistics, Climate Change Programs, Exploratory Data Analysis, Statistical Analysis, Correlation Analysis, Policy Analysis, Environmental Issue, Scatter Plots, Statistics, Probability Distribution
★ 4.6 (53) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Statistical Inference, Regression Analysis, R Programming, Statistical Methods, Statistical Analysis, Statistical Modeling, R (Software), Statistical Software, Data Science, Correlation Analysis, Data Analysis, Probability & Statistics, Linear Algebra
★ 4.6 (30) · Intermediate · Course · 1 - 4 Weeks
IE Business School
Skills you'll gain: Marketing Communications, Product Lifecycle Management, Data-Driven Marketing, Brand Strategy, Integrated Marketing Communications, Customer experience strategy (CX), Advertising Campaigns, Advertising, Marketing, Marketing Budgets, Marketing Analytics, Brand Management, Retail Management, Product Management, Marketing Channel, Product Strategy, Market Dynamics, Revenue Management, Merchandising, Communication
★ 4.7 (6.1K) · Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Prompt Patterns, Generative AI Agents, AI Orchestration, AI Workflows, Business Process Automation, Make.com, Large Language Modeling, Automation, ChatGPT, Agentic systems, Generative Model Architectures, Agentic Workflows, LangChain, Responsible AI, AI Security, Workflow Management, OpenAI, Process Optimization, Application Programming Interface (API), Decision Support Systems
★ 4.3 (21) · Beginner · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Machine Learning Algorithms, Applied Machine Learning, Machine Learning, Dimensionality Reduction, Algorithms, Unsupervised Learning, Linear Algebra
★ 4.4 (190) · Mixed · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Retrieval-Augmented Generation, Embeddings, Generative AI, AI literacy, LLM Application, Large Language Modeling, AI Enablement, AI Integrations, AI Workflows, Performance Tuning, Data Architecture, Data Integrity, Data Collection, Document Control, Data Infrastructure, Document Management, Data Preprocessing, Data Transformation, Data Structures, Data Management
Intermediate · Course · 1 - 4 Weeks