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.

University of Michigan
Skills you'll gain: Data Processing, Data Visualization, Data Presentation, Data Cleansing, Data Collection, Data Visualization Software, Data Manipulation, Data Access, Data Wrangling, Python Programming, Web Analytics and SEO, Algorithms, Data Analysis, Web Scraping, Scripting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Extract, Transform, Load, Data Pipelines, Data Transformation, Model Evaluation, Pandas (Python Package), Data Storytelling, Data Presentation, Data Preprocessing, Data Processing, PySpark, Data Quality, Apache Spark, Data-Driven Decision-Making, A/B Testing, Data Analysis, Model Training, Data Visualization, Data Governance, Machine Learning
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Probability & Statistics, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Statistical Hypothesis Testing, Customer Insights, Analytical Skills, Customer Analysis, Customer Retention, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Statistical Visualization, Statistical Modeling, Predictive Analytics, Descriptive Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Presentation, Responsible AI, Prompt Engineering, Graphing, Prompt Patterns, Data Analysis, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Data Visualization, Statistical Visualization, Tableau Software, Dashboard Creation, Data Storytelling, Spatial Data Analysis, Dashboard, Time Series Analysis and Forecasting, Advanced Analytics, R Programming, Business Intelligence, Data Mapping, Data Modeling, Performance Reporting, Key Performance Indicators (KPIs), Operational Performance Management, Python Programming, Interaction Design, Requirements Elicitation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Statistical Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data Flow Diagrams (DFDs), Diagram Design, Data Mapping, Data Pipelines, Data Visualization, Dataflow, Technical Communication, Data Store, Data Transformation
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Machine Learning Algorithms, Data Literacy, Unsupervised Learning, Data Science, Applied Machine Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Java, Java Programming, Programming Principles, Computer Programming, Performance Tuning, Computational Thinking, Theoretical Computer Science, Solution Design
Beginner · Course · 1 - 3 Months

Clemson University
Skills you'll gain: Dimensionality Reduction, Model Evaluation, Data Cleansing, Matplotlib, Regression Analysis, Unsupervised Learning, Data Science, Statistical Analysis, Anomaly Detection, Data Preprocessing, Statistical Methods, Data Wrangling, Plot (Graphics), Descriptive Statistics, Data Analysis, Data Visualization Software, Applied Machine Learning, Pandas (Python Package), Data Mining, Data-Driven Decision-Making
Build toward a degree
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Model Optimization, Database Design, Data Warehousing, Data Architecture, Governance
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Store, Data Infrastructure, Data Storage, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Metadata Management, Data Transformation
Beginner · Course · 1 - 4 Weeks