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.

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Statistical Reporting, Quantitative Research, Statistical Analysis, Probability & Statistics, Sampling (Statistics), Statistical Inference, Descriptive Statistics, Statistics, Probability Distribution, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Probability & Statistics, Statistics, Probability Distribution, Probability, Statistical Modeling, Data Analysis, Bayesian Statistics, Statistical Analysis, Exploratory Data Analysis, Combinatorics, Descriptive Statistics, Statistical Inference, Correlation Analysis
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Focus Group, Qualitative Research, Surveys, Discussion Facilitation, Survey Creation, Market Research, Research, Research Reports, Recruitment, Research Methodologies, Interviewing Skills, Recruitment Strategies, Report Writing, Sample Size Determination
★ 4.6 (473) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Preprocessing, PyTorch (Machine Learning Library), Deep Learning, Data Processing, Model Optimization, Artificial Neural Networks, Machine Learning Methods, Applied Machine Learning, Model Training, Machine Learning Algorithms, Machine Learning
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Storytelling, Dashboard, Dashboard Creation, Data Presentation, Interactive Data Visualization, Key Performance Indicators (KPIs), Tableau Software, Data Visualization Software, Storytelling, Driving engagement, Data Analysis, Data Quality, Data Integrity, Data Ethics, User Centered Design
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Usability, User Experience Design, User Centered Design, Software Documentation, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Technical Writing, Technical Communication, Product Development, Writing
Intermediate · Course · 1 - 3 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Model View Controller, Selenium (Software), Web Applications, Java, Java Programming, Data Access, Java Platform Enterprise Edition (J2EE), Agile Methodology, Web Development, Integration Testing, Software Testing, Application Development, Agile Software Development, Test Automation, Functional Testing, Software Design Patterns
★ 4.7 (197) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Disaster Recovery, Data Management, Google Cloud Platform, Cloud Infrastructure, Data Integration, Cloud Services, SAP Applications, Cloud Computing Architecture, Identity and Access Management, Cloud Deployment, Cloud Computing, Cloud Management, Cloud Security, Data Migration, IT Infrastructure, Cloud Storage, Systems Design
★ 4.6 (185) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Database Management, Secure Coding, Authentications, Web Applications, SQL, Network Protocols
★ 4.8 (1.1K) · Intermediate · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Natural Language Processing, Machine Learning Algorithms, Artificial Neural Networks, Machine Learning Methods, Tensorflow, Applied Machine Learning, Deep Learning, Model Training, Scikit Learn (Machine Learning Library), Python Programming, Jupyter, Machine Learning, Algorithms, Network Architecture
★ 3.7 (10) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Cloud Services, Cloud Technologies, Cloud Computing, Cloud Storage, Cloud Platforms, Cloud Solutions, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Data Storage, Middleware, Virtualization and Virtual Machines, Containerization, Data Storage Technologies, Virtualization, Virtual Machines, Cloud Applications, Cloud API, Amazon S3, Platform As A Service (PaaS)
★ 4.3 (846) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Code Review, GitHub, Git (Version Control System), Version Control, Docker (Software), Software Development Tools, Continuous Integration, Containerization, Bioinformatics, Devops Tools, Informatics, Automation, Science and Research, Data Analysis, R Programming
Advanced · Course · 1 - 3 Months