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: Matplotlib, Histogram, Plot (Graphics), Data Visualization, Seaborn, Scatter Plots, Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Statistical Visualization, Exploratory Data Analysis, Graphing, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: A/B Testing, Design Thinking, User Centered Design, Design and Product, Experience Design, Data Storytelling, Dashboard, User Feedback, Solution Design, Stakeholder Engagement, Stakeholder Analysis, Customer Insights, Interviewing Skills, Empathy & Emotional Intelligence, Business Requirements, Problem Solving, Product Testing
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard Creation, Business Reporting, Data Transformation, Business Intelligence, Data Visualization Software, Business Intelligence Software, Dashboard, Data Analysis, Microsoft Excel, Data Visualization, Data Cleansing, Data Modeling, Data Analysis Software, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Collaboration, Data Import/Export
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Excel Macros, Data Validation, Scatter Plots, Plot (Graphics), Pivot Tables And Charts, Microsoft Excel, Data Visualization, Regression Analysis, Excel Formulas, Statistical Visualization, Histogram, Data Analysis, Data Integrity, Statistical Modeling, Descriptive Statistics, Spreadsheet Software, Analytics, Financial Data, Financial Analysis, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Database Design, Relational Databases, Databases, SQL, Big Data, Database Systems, Database Management Systems, NoSQL, Operational Databases, Data Warehousing, Data Management, Virtual Machines, Data Storage, Data Analysis, Unstructured Data
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Estimation, Data Collection, Risk Analysis, Statistical Methods, Statistical Software, Return On Investment, Statistical Analysis, Sample Size Determination, Quantitative Research, R (Software), Data Analysis, Risk Management, Probability & Statistics, Statistical Inference, Statistical Hypothesis Testing, R Programming, Project Estimation, Business Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Pipelines, Apache Airflow, Data Integration, Cloud Deployment, Dataflow, Extract, Transform, Load, Cloud Computing, Data Infrastructure, Data Processing, Data Warehousing, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), NumPy, Data Wrangling, Data Transformation, Data Manipulation, Data Processing, Pivot Tables And Charts, Data Analysis Software, Data Preprocessing, Data Cleansing, Data Analysis, Numerical Analysis, Statistical Analysis, Data Structures, Descriptive Statistics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Excel Macros, Pandas (Python Package), Prompt Engineering, Forecasting, Data Storytelling, Time Series Analysis and Forecasting, Regression Analysis, Data Quality, Responsible AI, ChatGPT, Microsoft Excel, Data Analysis, Report Writing, Interactive Data Visualization, Data Modeling, Generative AI, Data Visualization, Exploratory Data Analysis, Statistical Analysis
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Pipelines, Data Mapping, Data Integration, Cloud-Based Integration, Data Transformation, Cloud Management, Data Management, DevOps
Advanced · Project · Less Than 2 Hours

Ball State University
Skills you'll gain: Statistical Methods, Probability & Statistics, Probability, Statistical Modeling, Statistical Programming, Statistical Analysis, Probability Distribution, Statistical Inference, Bayesian Statistics, Data Science, Sampling (Statistics), Statistical Hypothesis Testing, R Programming, Dimensionality Reduction, R (Software), Simulations, Statistical Visualization
Build toward a degree
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Sampling (Statistics), Statistical Programming, Statistical Analysis, Probability Distribution, Data Visualization, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Correlation Analysis, Regression Analysis, R (Software), R Programming, Probability & Statistics, Statistics, Statistical Modeling, Statistical Visualization, Statistical Inference, Classification And Regression Tree (CART), Probability, Big Data
Build toward a degree
Mixed · Course · 1 - 3 Months