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.

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Music, Music Theory, Digital Communications, Patch Management, Performance Tuning, Programming Principles, Music Performance, Dataflow, Data Sharing, Interoperability, Development Environment, File I/O, Open Source Technology
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Visualization Software, Process Development, Tableau Software, Financial Modeling, Data Presentation, Dashboard Creation, Business Process, Peer Review, Presentations, Property Management, Data Analysis, MySQL, Revenue Management, Financial Data, Risk Analysis, Property and Real Estate, Real Estate, Financial Analysis, Microsoft Excel, SQL
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Mining, Innovation, Image Analysis, Big Data, Medical Imaging, Unstructured Data, Health Informatics, Analytics, Text Mining, Natural Language Processing, Health Care, Health Information Management, Medical Terminology, Interoperability, Classification Algorithms
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Evaluation, Statistical Modeling, Applied Machine Learning, Unsupervised Learning, Statistical Machine Learning, Data Science, Decision Tree Learning, Statistical Methods, Classification And Regression Tree (CART), Artificial Neural Networks, Statistical Analysis, Regression Analysis, Predictive Modeling, Machine Learning Methods, Classification Algorithms, Supervised Learning, R Programming, Statistical Inference, Machine Learning Algorithms, Dimensionality Reduction
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: PySpark, Apache Spark, Model Evaluation, MySQL, Data Pipelines, Scala Programming, Extract, Transform, Load, Logistic Regression, Customer Analysis, Apache Hadoop, Predictive Modeling, Applied Machine Learning, Data Processing, Data Persistence, Advanced Analytics, Big Data, Apache Maven, Data Access, Apache, Python Programming
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Algebra, Numerical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Natural Language Processing, AI literacy, Data Storytelling, Data Visualization, Data-Driven Decision-Making, Data Presentation, Generative AI, Data Visualization Software, Data Analysis, Responsible AI, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Data Visualization Software, Storytelling, Visual Storytelling, Data Integrity, Driving engagement, Presentations, Microsoft Excel, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Warehousing, Cloud Engineering, Data Management, Data Integration, DevOps, Data Pipelines, CI/CD, Data Infrastructure, Data Architecture, Infrastructure as Code (IaC), Cloud-Native Computing, Devops Tools, Data Quality, Data Processing, Cloud Technologies, Cloud Computing, Data-Driven Decision-Making, Cloud Computing Architecture
Mixed · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Network Model, Dashboard Creation, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Programming Principles, Theoretical Computer Science, Software Engineering, Computer Programming, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Descriptive Statistics, Descriptive Analytics, Jupyter, Microsoft Azure, Statistical Visualization, Plot (Graphics), Model Training, Data Analysis, Statistics, Exploratory Data Analysis, Data Visualization Software, Correlation Analysis, Applied Machine Learning, Machine Learning Methods
Beginner · Guided Project · Less Than 2 Hours