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.

Rice University
Skills you'll gain: Data Visualization Software, Plot (Graphics), Package and Software Management, Python Programming, Data Cleansing, Software Installation, Scripting, Data Processing, Data Integration, Data Import/Export, Software Documentation
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Integration, Data Validation, Data Quality, Data Modeling, Health Informatics, Data Transformation, Data Warehousing, Star Schema, Health Information Management, Data Analysis, Analytics, Electronic Medical Record, Relational Databases, Dataflow
Intermediate · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Data Ethics, Data Collection, Probability & Statistics, Data Processing, Sampling (Statistics), Data Science, Data Wrangling, R Programming, Simulations, Data Manipulation, Statistical Methods, Machine Learning Algorithms, Responsible AI, Data Structures
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Visualization, IBM Cognos Analytics, Data Manipulation, Data Collection, Data Analysis, Looker (Software), Web Scraping, Data Transformation, Box Plots, Pandas (Python Package), Scatter Plots, Histogram
Advanced · Course · 1 - 3 Months
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Database Design, Shiny (R Package), Data Visualization, Data Wrangling, Dashboard, Exploratory Data Analysis, Relational Databases, Data Analysis, Ggplot2, Data Presentation, SQL, Plot (Graphics), Databases, Leaflet (Software), Data Manipulation, Web Scraping, R Programming
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Scientific Visualization, Data Visualization Software, Visualization (Computer Graphics), Computer Displays, Time Series Analysis and Forecasting, Scalability, Verification And Validation, 3D Modeling, Medical Imaging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Data Quality, Data Strategy, Applied Machine Learning, Predictive Modeling, Exploratory Data Analysis, Machine Learning, Machine Learning Methods
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: PySpark, Data Pipelines, Data Processing, Data Visualization, Natural Language Processing, Data Analysis Expressions (DAX), Data Integration, Data Transformation, Machine Learning, Scalability, Data Cleansing, Text Mining, Deep Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Engineering, Data Manipulation, Data Lakes, Data Warehousing, Cloud Development, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Stored Procedure, Data Storage, Database Management, LLM Application, Generative AI, Data Science, Machine Learning
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Surveys, Survey Creation, Data Collection, Statistical Analysis, Interviewing Skills, Research Design, STATA (Software), R (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Stata, Data Quality, Statistical Modeling, Qualitative Research, Data Cleansing, R Programming
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Restful API, SQL, React Native, MySQL, Databases, API Design, Mobile Development, JSON, Data Manipulation, Data Management, Application Development, Data Storage, Authentications
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Big Data, Cloud Storage, Query Languages, Data Import/Export, Data Migration, Analytics, Data Science, Data Analysis Software, Data Analysis
Beginner · Project · Less Than 2 Hours