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: Responsible AI, Generative AI, Data Pipelines, Data Modeling, Data Transformation, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Memory Management, Software Visualization, Performance Tuning
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Probability & Statistics, Microsoft Excel, Descriptive Statistics, Box Plots, Statistical Methods, Probability Distribution, Statistical Visualization, Data Visualization, Probability, Statistics, Excel Formulas, Plot (Graphics), Business Mathematics, Spreadsheet Software, Data-Driven Decision-Making, Mathematical Theory & Analysis, Algebra, Bayesian Statistics, Arithmetic, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Forecasting, Spatial Data Analysis, Data Visualization Software, Data Mapping, Interactive Data Visualization, Time Series Analysis and Forecasting, Trend Analysis, Predictive Analytics, Geospatial Mapping, Data Analysis, Geospatial Information and Technology, Data Wrangling, Geographic Information Systems, Advanced Analytics, Analytics, Data Transformation, Statistical Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Probability, Box Plots, Histogram, Probability Distribution, Probability & Statistics, Scatter Plots, Statistics, Microsoft Excel, Excel Formulas, Data Analysis, Statistical Methods, Spreadsheet Software, Bayesian Statistics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Excel Macros, Data Validation, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Scatter Plots, Histogram, Data Integrity, Excel Formulas, Spreadsheet Software, Analysis, Forecasting, Data Analysis Software, Data Analysis, Debugging, Visual Basic (Programming Language), Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Data Infrastructure, Performance Stress Testing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Database Architecture and Administration, Database Theory, Software Engineering, Database Systems, Data Store, Model Evaluation
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Azure Synapse Analytics, Information Management, Data Management, Databricks, Data Storage Technologies, Data Security
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, Data Modeling, Database Design, Data Architecture, Performance Tuning, Model Optimization, Business Analytics, Performance Measurement, Performance Metric, Business Metrics, Descriptive Analytics, Business Reporting
Advanced · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Supervised Learning, Feature Engineering, Predictive Modeling, Predictive Analytics, Data Manipulation, Statistical Machine Learning, Classification Algorithms, Machine Learning Methods, Statistical Modeling, Design Thinking, Scikit Learn (Machine Learning Library), Data Cleansing, Model Training, Regression Analysis, Data Processing, Model Optimization, Tensorflow, Logistic Regression
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Data Mapping, AI Integrations, Data Governance, AI Workflows, Data Pipelines, Data Transformation, Governance, Data Integrity, Data Quality, Information Assurance, Risk Modeling, Metadata Management, Automation, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, Data Import/Export, JSON, Object Oriented Programming (OOP), Data Access, Extensible Markup Language (XML), Data Modeling, Data Collection, Extensible Languages and XML, Systems Integration, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks