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: Oracle Databases, Query Languages, SQL, Google Cloud Platform, Identity and Access Management, Data Mapping, Database Design, Role-Based Access Control (RBAC), Data Import/Export, Database Architecture and Administration, Data Sharing, Real Time Data, Data Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Innovation, Project Management, Responsible AI, Generative AI, Cost Reduction, Team Performance Management, Workflow Management, Project Planning, Resource Allocation, Process Improvement, Risk Management, Predictive Analytics
★ 4.5 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Financial Trading, Financial Market, Market Trend, Market Data, Risk Management, Market Dynamics, Risk Analysis, Financial Analysis, Market Analysis, Risk Control, Trend Analysis, Order Entry, Order Management
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Data Analysis Software, Molecular, Cellular, and Microbiology, Biology, Algorithms, Microbiology, Python Programming
★ 4.3 (1.1K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, No-Code Development, Power Platform Architecture & Technical Design, Data Visualization, Data Integration, Business Intelligence, Process Design, Business Process Automation, Productivity Software, Application Development, Generative AI Agents, Performance Analysis, Application Design, Automation, Data Access, Data Security, Data Store
★ 4.3 (296) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Android Jetpack, Android Studio, Android Development, Kotlin, Mobile Development, UI Components, Application Frameworks, Mobile Development Tools, Prototyping, User Interface (UI), Application Development, Animations, User Interface (UI) Design, Data Management, Development Environment, Responsive Web Design, Programming Principles, Interactive Design
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Dashboard Creation, Data Ethics, Predictive Modeling, No-Code Development, Model Deployment, Data Visualization, Data Presentation, Responsible AI, Data-Driven Decision-Making, Interactive Data Visualization, Advanced Analytics, Product Improvement, Business Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Business Analytics, Data Cleansing, Data Preprocessing, Business Metrics, Predictive Analytics, Data Architecture
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Computer Programming, Code Reusability, Object-Relational Mapping, Server Side
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Technical Analysis, Sampling (Statistics), Quantitative Research, Financial Analysis, Statistical Hypothesis Testing, Portfolio Risk, Probability, Return On Investment, Portfolio Management, Financial Data, Market Data, Statistical Analysis, Financial Market, Statistical Methods, Probability Distribution, Probability & Statistics, Market Trend, Finance, Performance Metric, Investment Management
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Model Training, Model Evaluation, Predictive Modeling, AI Security, OpenAI, Data Collection, Machine Learning, Predictive Analytics, Information Privacy, Artificial Intelligence, Game Theory, Large Language Modeling, Algorithms, Data Preprocessing, AI literacy, Personally Identifiable Information, Machine Learning Algorithms, Analytical Skills
★ 4.6 (968) · Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Amazon Bedrock, AI Security, Retrieval-Augmented Generation, Docker (Software), Prompt Engineering, GitHub Copilot, Token Optimization, Agentic Workflows, AI Orchestration, LLM Application, Debugging, Serverless Computing, Software As A Service, Model Context Protocol, Amazon Web Services, Large Language Modeling, Rust (Programming Language), Code Review, Natural Language Processing, GitHub
Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Health Technology, Data Presentation, Data Visualization Software, Telehealth, Agile Methodology, Interactive Data Visualization, Health Disparities, Health Informatics, Health Care Procedure and Regulation, Health Systems, Electronic Medical Record System, Electronic Medical Record, Health Equity, Interoperability, Public Health, Epidemiology, Tableau Software, Model Evaluation, Data Ethics, Digital Transformation
★ 4.6 (357) · Intermediate · Specialization · 1 - 3 Months