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.

Skills you'll gain: Excel Formulas, Data Cleansing, Pivot Tables And Charts, Spreadsheet Software, Data Wrangling, Microsoft Excel, Data Analysis, Data Quality, Google Sheets, Data Manipulation, Data Integrity, Data Entry, Data Import/Export, Data Science, Information Privacy
★ 4.7 (11K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Sampling (Statistics), Data Integrity, Data Quality, Data Transformation, Data Validation, Analytics, Sample Size Determination, Google Sheets, SQL, Spreadsheet Software
★ 4.8 (19K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Analysis, Data Cleansing, Microsoft Excel, Exploratory Data Analysis, Data Manipulation, Data Preprocessing, Data Quality, Excel Formulas
★ 4.4 (60) · Intermediate · Guided Project · Less Than 2 Hours

Northeastern University
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Financial Data, Microsoft Excel, Excel Formulas, Workflow Management, Data Transformation, Automation, Financial Reporting, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, Responsible AI, Data Cleansing, Generative AI, Data Preprocessing, Data Validation, Automation, Tensorflow, OpenAI, Alteryx
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Prompt Engineering, Data Processing, Microsoft Excel, Data Manipulation, Microsoft Copilot, Data Transformation, Data Integrity, Data-Driven Decision-Making, Data Analysis
★ 4.4 (57) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Governance, Data Strategy, Data Migration, Correlation Analysis, Security Controls, Data Quality, Data Infrastructure, Metadata Management, SQL, Data Integrity, Cyber Security Assessment, Data Security, Data Validation, Data Pipelines, Dashboard Creation, Data Warehousing, Dashboard, Statistical Analysis, Auditing, Root Cause Analysis
Advanced · Course · 3 - 6 Months

Skills you'll gain: Data Cleansing, Pandas (Python Package), Financial Data, Data Wrangling, Data Transformation, Data Preprocessing, Data Quality, Data Manipulation, Data Structures, Financial Forecasting, Data Presentation, Data Validation, Jupyter, Data Integrity, Exploratory Data Analysis, Descriptive Statistics, Project Documentation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Web Scraping, Pivot Tables And Charts, Pandas (Python Package), Data Integration, Statistical Visualization, Data Manipulation, Exploratory Data Analysis, Data Wrangling, Data Visualization, Data-Driven Decision-Making, Data Transformation, Data Presentation, Data Processing, Data Cleansing, Data Preprocessing, Statistical Analysis, Seaborn, NumPy, Python Programming
★ 4.5 (38) · Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Integrity, Data Governance, Data Collection, Quality Assurance, Data Processing, Data Strategy, Data Analysis, Data Management, Data Preprocessing, Data Access, Statistical Analysis, Analysis, Sampling (Statistics), Verification And Validation, Design Strategies
★ 4.6 (58) · Beginner · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Wrangling, Data Cleansing, Relational Databases, Extract, Transform, Load, Data Manipulation, Data Integration, SQL, Databases, Database Management, Data Transformation, Data Processing, Data Quality, Business Intelligence, Data Access, Data Pipelines, Data Validation, Alteryx, Pandas (Python Package), Dataflow, Python Programming
Mixed · Course · 1 - 4 Weeks