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: Data Cleansing, Sampling (Statistics), Data Integrity, Data Quality, Data Processing, Data Analysis, Data Transformation, Data Validation, Sample Size Determination, SQL, Spreadsheet Software
Beginner · Course · 1 - 3 Months

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

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

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

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

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 Transformation, Data Cleansing, Data Preprocessing, Data Presentation, Plot (Graphics), Data Visualization Software, Statistical Analysis, Seaborn, NumPy, Python Programming
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, Model Evaluation, Data Preprocessing, Data Access, Statistical Analysis, Sampling (Statistics), Verification And Validation, Design Strategies, Threat Detection
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Cleansing, Prompt Engineering, Data Processing, Microsoft Excel, Data Manipulation, Microsoft Copilot, Data Preprocessing, Data Quality, Data Transformation, Data Integrity, Data Validation, Data-Driven Decision-Making, Excel Formulas, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Integration, Data Import/Export, NumPy, Data Manipulation, Data Preprocessing, Pandas (Python Package), Data Pipelines, Data Transformation, Extract, Transform, Load, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Database Design, Data Integration, SQL, Data Manipulation, Database Management, Relational Databases, Data Validation, Data Quality, Data Integrity, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Power BI, Data Integrity, Data Validation, Data Transformation, Data Cleansing, Data Storage, Data Quality, Data Analysis, Data Manipulation, Data Integration, Data Storage Technologies, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Analysis Expressions (DAX), Business Intelligence, Data Entry
Intermediate · Guided Project · Less Than 2 Hours