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.

Vanderbilt University
Skills you'll gain: Data Storytelling, Prompt Engineering, Data Presentation, ChatGPT, AI Workflows, Prompt Patterns, Responsible AI, Document Management, Storytelling, Data Synthesis, Microsoft Excel, LLM Application, Consolidation, AI Enablement, Data Analysis, SQL, Generative AI, AI literacy, Databases, Data Visualization
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Information Management, Data Management, Data Governance, Database Management, Relational Databases, Database Systems, Data Modeling, Data Warehousing, Database Design, Data Strategy, Data Mart, Data Infrastructure, Data Quality, Business Intelligence, Data Integrity, SQL, Decision Support Systems, Big Data, Data-Driven Decision-Making, Data Analysis
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Model Evaluation, Machine Learning Algorithms, Data Visualization, Model Optimization, Scikit Learn (Machine Learning Library), Matplotlib, Data Literacy, Tableau Software, Plot (Graphics), Data Presentation, Interactive Data Visualization, Data Visualization Software, Unsupervised Learning, Exploratory Data Analysis, Pandas (Python Package), Seaborn, Data Preprocessing, Model Training, Machine Learning, Python Programming
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), Git (Version Control System), GitHub, Software Versioning, Data Literacy, General Science and Research, Data Analysis, R Programming, Development Environment, Statistical Reporting, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Database Design, Data Security, Data Visualization Software, Spreadsheet Software, Performance Tuning, Data Access, Performance Improvement, Model Optimization, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Storytelling, Data Presentation, Power BI, Data Visualization Software, Data Visualization, Data-Driven Decision-Making, Scatter Plots
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Warehousing, Data Pipelines, Data Preprocessing, Data Processing, Data Modeling, Data Management, Data Science, Data Cleansing, Model Evaluation, Exploratory Data Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Data Governance, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Transaction Processing, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Analytics, Exploratory Data Analysis, Data Manipulation, Jupyter, Data Processing, Data Wrangling, Matplotlib, Data Visualization, Programming Principles, Data Cleansing, Data Visualization Software, Python Programming
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Power BI, Data Visualization, Data Analysis Expressions (DAX), Matplotlib, Plotly, Data Analysis, Exploratory Data Analysis, Seaborn, SQL, Pandas (Python Package), Probability & Statistics, Regression Analysis, Machine Learning, Statistical Hypothesis Testing, Python Programming, Data Transformation, Feature Engineering, Data Integration, NumPy, Web Scraping
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Visual Design, Design, Correlation Analysis
Beginner · Course · 1 - 4 Weeks