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 Colorado Boulder
Skills you'll gain: Pandas (Python Package), Data Presentation, Data Wrangling, NumPy, Data Visualization, Data Cleansing, Data Structures, Data Analysis, Data Manipulation, Data Preprocessing, Data Synthesis, Data Transformation, Data Processing, Programming Principles, Python Programming, Numerical Analysis, Computer Programming
★ 4.5 (20) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Quality, Extract, Transform, Load, Anomaly Detection, Data Pipelines, Data Maintenance, Data Validation, Analysis, Data Integrity, Dependency Analysis, Dataflow, Data Transformation, Dashboard, SQL
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Integration, Extract, Transform, Load, Metadata Management, Amazon Redshift, Amazon Web Services, Data Pipelines, Cloud-Based Integration, Data Processing, Data Warehousing, Amazon S3, Automation, Data Management, Cloud-Native Computing, Data Transformation, Serverless Computing, Process Optimization, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Access, Metadata Management, Role-Based Access Control (RBAC), Data Cleansing, Databricks, Data Management, Data Pipelines, Data Lakes, Amazon Web Services, Amazon Redshift, Data Security, Personally Identifiable Information, Data Warehousing, Data Quality, General Data Protection Regulation (GDPR), Data Capture, Fraud detection
★ 3.6 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Analytics, Data Visualization, Plot (Graphics), Statistical Visualization, Matplotlib, Marketing Analytics, Social Media Marketing, Python Programming, Social Media, Data Presentation, Data Analysis, Data Wrangling, Exploratory Data Analysis, Data Cleansing, Seaborn, Content Performance Analysis, Jupyter
★ 4 (40) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Preprocessing, Data Processing, Data Collection, SQL, Databases, Query Languages, Extensible Markup Language (XML), Pandas (Python Package), Application Programming Interface (API)
★ 4.5 (16) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Pivot Tables And Charts, Data Manipulation, Data Transformation, Data Processing, Data Preprocessing, Data Wrangling, Data Warehousing, Data Cleansing, Dimensionality Reduction, Data Quality, Anomaly Detection, Sampling (Statistics), Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization, Data Import/Export
★ 4.4 (54) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Power BI, Data Transformation, Data Preprocessing, Data Manipulation, Data Cleansing, Data Integration, Data Wrangling, Predictive Modeling
★ 4.8 (28) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Data Integration, Data Processing, Data Collection, Data Preprocessing, Data Validation, Data Cleansing, Data Quality, Data Analysis, Data Manipulation, Data Transformation, Data Pipelines, Pivot Tables And Charts, Statistical Visualization, Data Visualization, Quality Assurance, Statistical Analysis, Descriptive Statistics, Data Mining
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Wrangling, Data Manipulation, Data Transformation, Tidyverse (R Package), Data Cleansing, Data Preprocessing, R Programming, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, MySQL Workbench, SQL, Data Cleansing, Query Languages, Data Manipulation, Database Management, Databases, Data Quality, Relational Databases, Data Entry
★ 4.7 (30) · Intermediate · Guided Project · Less Than 2 Hours