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 California, Irvine
Skills you'll gain: Extract, Transform, Load, Data Warehousing, Data Mining, Business Intelligence, Star Schema, Snowflake Schema, Data Modeling, Data Architecture, Unsupervised Learning, Business Analytics, Data-Driven Decision-Making, Machine Learning Methods, Databases, Predictive Modeling, Cloud Computing, Supervised Learning, Classification Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Plot (Graphics), Pandas (Python Package), Scientific Visualization, Data Manipulation, Scatter Plots, Machine Learning Methods, Applied Machine Learning, Machine Learning, Data Science, Machine Learning Algorithms, Data Analysis Software, Statistical Methods, Histogram, Data Processing, Numerical Analysis, Data Import/Export, Linear Algebra, Probability Distribution, Classification Algorithms
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Apache Spark, NoSQL, Data Management, Data Processing, Databases, Data Integration, SQL, Query Languages, Data Manipulation, Scripting Languages, Data Transformation, Software Installation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Probability, Probability & Statistics, Probability Distribution, Bayesian Statistics, Statistics, Sampling (Statistics), Data Analysis, Correlation Analysis, Statistical Analysis, Statistical Inference
Build toward a degree
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: Security Controls, Scalability, Azure Synapse Analytics, Data Pipelines, Databases, Microsoft Azure, Data Governance, Extract, Transform, Load, Data Lakes, Databricks, NoSQL, Data Processing, Cloud Management, Big Data, Apache Spark, Dashboard Creation, Interactive Data Visualization, Large Language Modeling, Applied Machine Learning, Model Training
Intermediate · Professional Certificate · 3 - 6 Months

Arizona State University
Skills you'll gain: Data Transformation, Engineering Management, Data-Driven Decision-Making, Capacity Planning, Capacity Management, Decision Intelligence, Data Management, Management Reporting
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Data Modeling, Power BI, Data Analysis Expressions (DAX), Data Visualization Software, Plotly, Matplotlib, Data Transformation, Data Visualization, Interactive Data Visualization, Seaborn, Data Cleansing, Scatter Plots, Data Import/Export, Business Intelligence, Data Preprocessing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, CI/CD, Data Pipelines, Continuous Deployment, Workflow Management, Site Reliability Engineering, Data Engineering, Model Deployment, Data Quality, Version Control, PostgreSQL, Git (Version Control System), Python Programming, Debugging, SQL, Production Management, Scheduling, Unit Testing, Linux Commands, Web Servers
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Data Manipulation, Data Visualization, Data Presentation, Probability & Statistics, Data Transformation, Analytics, Statistics, Data Visualization Software, Statistical Analysis, Data Cleansing, Advanced Analytics, Time Series Analysis and Forecasting, Correlation Analysis, Python Programming
Beginner · Course · 1 - 4 Weeks

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