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: Control Systems, Basic Electrical Systems, Electrical Systems, Power Electronics, Three-Phase, Torque (Physics), Electrical Equipment, Embedded Software, Electronics, Electrical Wiring, Electronic Hardware, Design Specifications, System Requirements, Laboratory Experience, Electronic Components
Build toward a degree
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Data Persistence, Web Design and Development, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Model Deployment, Tensorflow, Keras (Neural Network Library), Google Cloud Platform, Data Pipelines, Deep Learning, Machine Learning Methods, Data Preprocessing, NumPy, Supervised Learning, Pandas (Python Package)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Robotic Process Automation, Data Manipulation, Email Automation, Web Scraping, User Interface (UI), Business Process Automation, Automation, UI Components, Test Automation, Context Management, Excel Macros, Data Cleansing, Network Protocols, Data Import/Export, Software Development Tools, Data Management, Unstructured Data, Data Flow Diagrams (DFDs), Application Deployment, Programming Principles
Beginner · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Technical Communication, Data Presentation, R Programming, Statistical Analysis, Statistical Modeling, Data Analysis, Time Series Analysis and Forecasting, Statistical Inference, Sampling (Statistics), Model Evaluation, Probability Distribution
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Analytics, Risk Analysis, Business Intelligence, Predictive Analytics, Data Analysis, Business Modeling, Decision Making, Process Optimization, Simulation and Simulation Software, Market Analysis, Microsoft Excel, Unsupervised Learning
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Drug Development, Clinical Trials, Clinical Research, Pre-Clinical Development, Good Clinical Practices (GCP), Regulatory Affairs, Pharmacology, Regulatory Compliance, Commercialization, Patient Safety
Beginner · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Responsible AI, Tensorflow, Model Deployment, Exploratory Data Analysis, Data Preprocessing, Google Cloud Platform, Keras (Neural Network Library), Data Quality, Embeddings, Data Strategy, Machine Learning, MLOps (Machine Learning Operations), Cloud Deployment, Model Evaluation, Applied Machine Learning, Unsupervised Learning, Dataflow, Data Analysis, Artificial Neural Networks
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Patient Safety, Design Thinking, Change Management, Institutional Review Board (IRB), Leadership, Conflict Management, Performance Measurement, Systems Thinking, Healthcare Project Management, Solution Design, Health Systems, Data Analysis, Corrective and Preventive Action (CAPA), Value-Based Care, Continuous Quality Improvement (CQI), Quality Improvement, Risk Management, Initiative and Leadership, Data Analysis Software, Patient-centered Care
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Data Integrity, Business Logic, Stored Procedure, SQL, Data Persistence, Database Design, Database Development, Performance Tuning, Relational Databases, Database Management Systems, Database Application, Database Management, Web Services, Data Access, Programming Principles, Computational Logic, Data Storage Technologies, Authorization (Computing)
Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Computational Thinking, Algorithms, Program Development, Pseudocode, Problem Solving, Python Programming, Data Structures, Computer Hardware, Computer Programming, Object Oriented Programming (OOP), Analysis, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, TCP/IP, Network Security, Network Protocols, Endpoint Detection and Response, Network Routing, Cybersecurity, Local Area Networks, Dynamic Host Configuration Protocol (DHCP), Firewall, General Networking, Information Systems Security, Intrusion Detection and Prevention, Endpoint Security, Network Infrastructure, Network Planning And Design, Wireless Networks, Security Information and Event Management (SIEM), Network Analysis, Data Loss Prevention
Intermediate · Course · 1 - 3 Months