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.

Rice University
Skills you'll gain: Computational Thinking, Programming Principles, Algorithms, Data Structures, Theoretical Computer Science, Computer Programming, Program Development, Python Programming, Computer Science, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization, Statistical Visualization, Network Analysis, Relational Databases, Data Presentation, Data Visualization Software, Social Network Analysis, Data Storytelling, Network Model, Database Theory, Diagram Design, Data Analysis, Data Manipulation, Graphic and Visual Design, Social Impact, Human Factors, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Classification Algorithms, Regression Analysis, Matplotlib, Feature Engineering, Time Series Analysis and Forecasting, Data Preprocessing, Jupyter, Image Analysis, Cloud Deployment, Scikit Learn (Machine Learning Library), Applied Machine Learning, Tensorflow, Amazon Web Services, Python Programming, Data Transformation, Logistic Regression, Machine Learning Methods, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

University at Buffalo
Skills you'll gain: Anomaly Detection, Production Process, Manufacturing Processes, Data Collection, Systems Analysis, Data Storage, Manufacturing Operations, Systems Engineering, Data Cleansing, Failure Analysis, Digital Transformation, Data Preprocessing, Big Data, Data Analysis Software, Computing Platforms
Beginner · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Frontend Integration, Front-End Web Development, Web Design and Development, Web Services, Cloud Development, Application Deployment, Cloud Applications, Web Development, Spring Framework, Amazon Web Services, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Web Applications, Back-End Web Development, Javascript
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Data Manipulation, Advanced Analytics, Visual Basic (Programming Language), Data Analysis, Productivity Software, Debugging, Spreadsheet Software, Automation, Strategic Decision-Making, Scripting, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Transformation, Cloud Computing Architecture, Systems Design, Business Transformation, SAP S/4HANA, Cloud Computing, Systems Architecture, System Design and Implementation, Security Management, Software Architecture, Cyber Attacks, Software Design, Security Strategy, SAP Applications, Cyber Governance, Cybersecurity, Cloud Platforms, ABAP RESTful Programming Model (RAP), Case Studies, Business Analysis
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: NumPy, Scientific Visualization, Jupyter, Time Series Analysis and Forecasting, Graphing, Data Visualization Software, Data Structures, Python Programming, Numerical Analysis, Data Manipulation, Software Installation
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Descriptive Statistics, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Statistical Analysis, Histogram, Data Literacy, Statistical Visualization, Data Analysis, Graphing, Analytical Skills, Arithmetic
Beginner · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Email Security, Human Factors (Security), Cyber Security Policies, Cybersecurity, Cyber Attacks, Security Awareness, Cyber Risk, Computer Security Awareness Training, Threat Management, Patient Safety, Malware Protection, Security Controls, Encryption, Health Technology, Data Security, Information Privacy
Beginner · Course · 1 - 3 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Data Preprocessing, Transfer Learning, Fine-tuning, Model Training, Convolutional Neural Networks, Medical Imaging, Radiology, Image Analysis, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours