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 Preprocessing, Pandas (Python Package), Data Wrangling, Feature Engineering, Data Cleansing, Data Manipulation, Data Transformation, Data Analysis, Data Integration, Data Quality, Dimensionality Reduction, Applied Machine Learning
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data Cleansing, Sampling (Statistics), Data Integrity, Data Quality, Data Processing, Data Analysis, Data Transformation, Data Validation, Data Manipulation, Analytics, Sample Size Determination, SQL, Spreadsheet Software
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Data Analysis, Statistical Reporting, Data Cleansing, Data Wrangling, Microsoft Excel, Data Analysis Software, 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, Tensorflow, OpenAI, Alteryx
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Pandas (Python Package), Financial Data, Data Wrangling, Data Transformation, Data Preprocessing, Data Quality, Data Structures, Financial Forecasting, Technical Communication, Data Validation, Jupyter, Data Integrity, Exploratory Data Analysis, Data Import/Export, Descriptive Statistics, Project Documentation
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Integrity, Data Collection, Data Processing, Data Strategy, Data Analysis, Data Management, Data Preprocessing, Statistical Analysis, Sampling (Statistics), Verification And Validation, Design Strategies, Data Access
Beginner · Specialization · 1 - 3 Months

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)
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: Microsoft Excel, Spreadsheet Software, Data-Driven Decision-Making, Strategic Decision-Making, Microsoft Office
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Wrangling, NumPy, File I/O, Query Languages, Data Transformation, Data Integration, Python Programming, Data Analysis, Debugging
Beginner · Course · 1 - 4 Weeks

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