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.

New York Institute of Finance
Skills you'll gain: Portfolio Risk, Risk Management, Risk Modeling, Financial Market, Derivatives, Risk Management Framework, Investment Management, Portfolio Management, Risk Analysis, Market Data, Equities, Asset Management, Estimation, Financial Modeling, Statistical Modeling, Probability Distribution, Statistical Analysis, Probability & Statistics
★ 4.7 (211) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Preprocessing, Model Evaluation, Applied Machine Learning, Feature Engineering, Data Transformation, Big Data, Google Cloud Platform, Analytics, Data Manipulation, Predictive Analytics, Model Training, Predictive Modeling, Machine Learning, Data Access, Exploratory Data Analysis, SQL
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Tensorflow, Model Deployment, Keras (Neural Network Library), Cloud Deployment, Google Cloud Platform, Model Training, Deep Learning, Machine Learning Methods, Model Optimization, Data Pipelines, Feature Engineering, Applied Machine Learning, Artificial Neural Networks, Data Processing, Data Import/Export
★ 4.6 (23) · Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Digital Transformation, Liberal Arts, digital literacy, Image Analysis, Research, Computer Science, Public History, Open Source Technology, Research Methodologies, Data Ethics, Computer Vision, Law, Regulation, and Compliance, Media and Communications
★ 4.6 (917) · Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Intellectual Property, Business Planning, Competitive Analysis, Financial Data, Service Improvement, Risk Management, Financial Acumen, Tax Preparation, Business Process Automation, Budget Management, Risk Mitigation, Contract Management, Tax Management, Accounting and Finance Software, Peer Review, Business Strategy, Process Improvement, Entrepreneurship, Marketing, Leadership and Management
★ 4.7 (441) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, electromagnetics, Numerical Analysis, General Science and Research, Image Quality, Data Analysis Software, Scientific Methods
★ 4.7 (1.2K) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, Agentic Workflows, Agentic systems, Generative AI, Prompt Engineering, Prompt Patterns, LLM Application, Systems Architecture, Tool Calling, Natural Language Processing, Context Management, Memory Management, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Social Media Marketing, Brand Marketing, Brand Awareness, Digital Brand Strategy, Digital Marketing Tools, Branding, Social Media Management, Digital Marketing, Brand Strategy, Marketing Design, Marketing, Web Presence, Brand Management, Marketing Materials, Web Design and Development
★ 4.6 (376) · Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Portfolio Risk, Derivatives, Financial Market, Risk Modeling, Securities (Finance), Futures Exchange, Risk Management, Investments, Financial Modeling, Market Data, Portfolio Management, Mathematical Modeling, Finance, Probability, Statistical Modeling, Estimation, Applied Mathematics
★ 4.5 (197) · Advanced · Course · 1 - 3 Months
University of Virginia
Skills you'll gain: Revenue Management, Global Marketing, Consumer Behaviour, Marketing Psychology, Customer Insights, Customer Analysis, Case Studies, Market Research, Behavioral Economics, Decision Making, Analysis
★ 4.8 (374) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Field-Programmable Gate Array (FPGA), Computational Logic, Computer Architecture, Hardware Design, Hardware Architecture, Memory Management, Electronics, Electronic Systems, Electronic Components, Diagram Design, Data Storage, Data Storage Technologies, Algorithms
★ 4.5 (131) · Intermediate · Course · 1 - 4 Weeks