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: Statistical Visualization, Data Presentation, Data Science, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Android Development, Kotlin, API Design, Android Studio, Application Programming Interface (API), Android Jetpack, Mobile Development, Database Application, Database Management, Data Persistence, Databases, JSON, Database Development, Web Applications, Back-End Web Development, SQL, Data Access, Relational Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, SAS (Software), Feature Engineering, Statistical Analysis, Data Analysis Software, Data Analysis, Digital Signal Processing, Statistical Software, Data Transformation, Exploratory Data Analysis, Data Preprocessing, Unsupervised Learning, Data Processing, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistical Programming, R (Software), Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Software, Probability & Statistics, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Wrangling
Intermediate · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Model Evaluation, Data Mining, Supervised Learning, Unsupervised Learning, Service Level, Dimensionality Reduction, Deep Learning, Statistical Modeling, Probability, Applied Machine Learning, Anomaly Detection, Machine Learning Algorithms, Statistical Inference, Statistical Hypothesis Testing, Statistical Machine Learning, Model Training, Data Warehousing, Performance Testing, Bash (Scripting Language), Data Science
Credit offered
Graduate Certificate · 6 - 12 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Web Scraping, Data Science, R (Software), Data Analysis Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Patterns, Prompt Engineering, Responsible AI, Data Presentation, Sampling (Statistics), Excel Formulas, Spreadsheet Software, Generative AI, Data Analysis, Analytical Skills
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Performance Tuning, Development Testing, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Test Script Development, Code Reusability, Web Applications, Test Driven Development (TDD), Technical Documentation, Frontend Performance, Debugging, Performance Testing, Maintainability, Javascript, Software Design Patterns, Software Architecture, Secure Coding, Data Transformation
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Clinical Documentation, Data Ethics, Health Informatics, Responsible AI, Electronic Medical Record System, Health Care, Health Care Procedure and Regulation, Clinical Data Management, Healthcare Ethics, Health Information Management, Artificial Intelligence, Natural Language Processing, Decision Support Systems, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Data Quality, Regulatory Compliance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Data Cleansing, File I/O, Data Pipelines, Data Quality, Database Management, Data Transformation, Data Integrity, File Management, Data Import/Export, JSON, Extensible Markup Language (XML), Software Installation, Debugging
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Strategic Marketing, Marketing Strategies, Marketing Analytics, Data-Driven Marketing, Digital Marketing, Data Visualization, Conversion Funnel Analysis, Consumer Behaviour, Sales Strategy, Marketing, Performance marketing, Marketing Planning, Customer Analysis, Digital Analysis, Marketing Strategy and Techniques, Marketing Operations, Marketing Effectiveness, Data Strategy, Data-Driven Decision-Making, Data Visualization Software
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Integral Calculus, Algebra, Numerical Analysis, Calculus, Graphing, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Probability & Statistics, Derivatives, Mathematical Theory & Analysis
Intermediate · Specialization · 3 - 6 Months