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.

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, LangChain, LLM Application, Embeddings, Application Frameworks, Vision Transformer (ViT), Data Quality
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Data Preprocessing, Machine Learning, Time Series Analysis and Forecasting, Applied Machine Learning, Data Quality, Unsupervised Learning, Feature Engineering, Model Evaluation, Classification Algorithms, Regression Analysis
Beginner · Course · 1 - 4 Weeks

Fred Hutchinson Cancer Center
Skills you'll gain: Data Ethics, Data Sharing, Personally Identifiable Information, Clinical Research Ethics, Medical Privacy, Data Management, Healthcare Ethics, Clinical Research, Data Security, Information Privacy, Health Information Management, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Statistical Programming, R Programming, R (Software), Statistical Reporting, Data Quality, Data Preprocessing, Data Cleansing, Statistics, Data Processing, Statistical Methods, Statistical Software, Data Analysis Software, Statistical Analysis, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Data Quality, Data Integrity, Data Validation, Data Collection, Data Processing, Data Preprocessing, Data Analysis, Verification And Validation, Data Access, Design Strategies
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Quality, Data Lakes, Data Governance, Data Validation, Google Cloud Platform, Data Analysis, Data Warehousing, Query Languages
Beginner · Project · Less Than 2 Hours

Skills you'll gain: MySQL Workbench, MySQL, Database Management Systems, Database Software, Database Management, Data Manipulation, Data Management, SQL, Databases, Information Management, Query Languages, Data Integration, Data Science
Beginner · Guided Project · Less Than 2 Hours

UiPath
Skills you'll gain: Data Manipulation, Robotic Process Automation, Automation, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Manipulation, Data Processing, Data Wrangling, Data Pipelines, Data Transformation, Data Quality, Data Cleansing, Data Preprocessing, Data Import/Export, Extract, Transform, Load, Exploratory Data Analysis, Cloud-Based Integration, Google Analytics
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Transact-SQL, Transaction Processing, Database Management, Microsoft SQL Servers, Operational Databases, SQL, Data Manipulation, Relational Databases, Database Theory, Data Integrity, Data Access, Generative AI, AI Integrations, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Data Collection, Alteryx, Data Quality, Microsoft Excel, Data Integrity, Data Import/Export, Test Tools, Data Loss Prevention
Intermediate · Guided Project · Less Than 2 Hours