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 Illinois Urbana-Champaign
Skills you'll gain: Data Structures, Data Storage, Algorithms, Data Storage Technologies, Database Systems, Database Theory, Theoretical Computer Science
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Literacy, Data Storytelling, Data Analysis, Data Cleansing, Data Manipulation, Scatter Plots, Technical Communication, Histogram
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), NumPy, Data Wrangling, Data Transformation, Data Manipulation, Pivot Tables And Charts, Data Cleansing, Data Analysis, Numerical Analysis, Data Structures, Descriptive Statistics
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Data Presentation, Graphic and Visual Design, Data Storytelling, Design Elements And Principles, Plot (Graphics), Data Literacy, Exploratory Data Analysis, Scatter Plots
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Databases, Big Data, SQL, Data Analysis, Data Science, Statistical Analysis
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Data Structures, Programming Principles
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Presentation, Data Visualization Software, Data Import/Export, Big Data, Analytics, Cloud Computing
Beginner · Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Revenue Recognition, Data Presentation, Data Visualization, Accrual Accounting, Infographics, Storytelling, Cash Flows, Accounting, Data Collection, Business Analytics, Financial Statements, Financial Accounting, Business Analysis, Big Data, Analytics, Asset Management, Data Analysis, Intellectual Property, Network Model
Intermediate · Specialization · 3 - 6 Months

University of Leeds
Skills you'll gain: Jupyter, Programming Principles, Computer Programming, Python Programming, Development Environment, Software Installation, Data Structures, Data Science, Software Documentation, Debugging
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Machine Learning Algorithms, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Data Cleansing, Analytics, Machine Learning, Data Science, Regression Analysis, Data Manipulation, Data Mining, Statistical Modeling, Python Programming, Feature Engineering, Scikit Learn (Machine Learning Library), Classification And Regression Tree (CART), Decision Tree Learning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Integration, File Management, Scalability, Data Processing, Java, Data Transformation, Configuration Management
Mixed · Course · 1 - 4 Weeks