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 Manipulation, Data Cleansing, Data Wrangling, Data Processing, Data Integration, Data Preprocessing, Data Transformation, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, R (Software), MySQL, File Management, SQL, Application Programming Interface (API)
★ 4.5 (8.1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Pivot Tables And Charts, Dashboard, Microsoft Excel, Dashboard Creation, Financial Data, Data Cleansing, Case Studies, Data Transformation, Data Quality, Data Integrity, Spreadsheet Software, Data Wrangling, Data Management, Data Manipulation, Data Integration, Financial Analysis, Data Import/Export, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Database Design, Data Integration, Data Import/Export, SQL, Data Maintenance, Data Manipulation, Data Wrangling, Database Development, Database Management, Relational Databases, Data Quality, Data Integrity, Query Languages, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data-Driven Decision-Making, Productivity Software
★ 4.7 (510) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Cleansing, Data Transformation, Alteryx, Data Manipulation, Data Import/Export, Data Wrangling, Data Processing, Data Preprocessing, Workflow Management, Email Automation, Data Literacy, Scheduling, Automation, Exploratory Data Analysis
★ 4.1 (7) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Validation, Data Quality, Data Governance, Data Integrity, Data Pipelines, Verification And Validation, Test Automation, SQL, Failure Analysis, Scalability, Root Cause Analysis, Metadata Management, Analytical Skills, Statistical Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, Power BI, Data Analysis Expressions (DAX), Data Cleansing, Data Modeling, Data Management, Data Transformation, Data Preprocessing, Data Manipulation, Data Wrangling, Data Validation, Data Integration, Data Processing, Data Analysis, Data Visualization Software, Query Languages, Data Visualization
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Validation, Data Quality, Data Integrity, Debugging, Data Pipelines, Test Automation, Root Cause Analysis, YAML, Generative AI, Test Tools, Anomaly Detection, AI Integrations, CI/CD, Python Programming, Reliability, Performance Tuning, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Data Quality, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Data Cleansing, Data Pipelines, Feature Engineering, Data Quality, MLOps (Machine Learning Operations), Extract, Transform, Load, Data Transformation, Data Integration, Dataflow, Development Environment, Data Wrangling, Apache Airflow, Package and Software Management, Git (Version Control System), Quality Assurance, Exploratory Data Analysis, Cost Management, Resource Utilization, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Data Wrangling, Surveys, Survey Creation, Data Transformation, Data Collection, Data Quality, Data Preprocessing, Data Integrity, ChatGPT, Cloud Technologies, Statistical Analysis, Real Time Data
Intermediate · Course · 3 - 6 Months