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.

MathWorks
Skills you'll gain: Datamaps, Data Science, Spatial Data Analysis, Data Processing, Data Preprocessing, Machine Learning, Geographic Information Systems, Data Visualization, Data Analysis, Data Integration, Amazon Web Services, Cloud Computing, Matlab, Model Training, Data Cleansing, Regression Analysis, Classification Algorithms
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Analytical Skills, Data Ethics, Data Mining, Data Science, Business Analytics, Big Data, Analytics, Descriptive Analytics, Data Analysis Software, Predictive Analytics, Small Data
★ 4.2 (158) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Revenue Recognition, Data Presentation, Data Visualization, Business Workflow Analysis, Accrual Accounting, Financial Statements, Accruals, Cash Flows, Storytelling, Accounting, Financial Statement Analysis, Business Analytics, Financial Accounting, Business Analysis, Big Data, Asset Management, Analytics, Data Analysis, Intellectual Property
★ 4.7 (6.4K) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Business Intelligence, Decision Support Systems, Data Warehousing, Relational Databases, Database Development, Data Visualization, Data Modeling, Business Intelligence Software, Database Software, Database Management Systems, Database Management, SQL, Star Schema, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Governance, Data Integration, Dashboard Creation
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months
University of Leeds
Skills you'll gain: Data Presentation, Data Storytelling, Technical Communication, Scientific Visualization, Technical Writing, Communication, Writing, Generative AI, Responsible AI, Graphic and Visual Design, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Modeling, Python Programming, Object Oriented Programming (OOP), Data Persistence, Context Management, Data Structures, Memory Management
Intermediate · Course · 1 - 3 Months
University of Washington
Skills you'll gain: Data Visualization, Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Data Storytelling, Data Visualization Software, Data Sharing, Data Governance, Big Data, Technical Communication, Graphic and Visual Design, Cloud Computing, Amazon Web Services, Information Privacy, Ethical Standards And Conduct
★ 3.4 (142) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Predictive Modeling, Data Visualization, Predictive Analytics, Statistical Analysis, Data Manipulation, Data Analysis, Data Science, Statistical Methods, Statistics, Data Wrangling, Data Cleansing, Analytics, Data Preprocessing, Data-Driven Decision-Making, Model Evaluation, Data Collection, Machine Learning Algorithms
★ 4.7 (25) · Beginner · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Descriptive Statistics, Statistics, Probability & Statistics, Statistical Methods, Sampling (Statistics), Statistical Analysis, Data Analysis, Statistical Hypothesis Testing, Regression Analysis, Statistical Inference, Probability, Exploratory Data Analysis, Analysis, Statistical Machine Learning, Statistical Visualization, Data Collection, Probability Distribution, Correlation Analysis
★ 4.6 (4.3K) · Beginner · Course · 1 - 3 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Data Sharing, Data Management, Data Storage, File Management, Data Security, Information Management, Metadata Management, Records Management, Data Governance, Data Integrity, Data Persistence, Data Ethics, Version Control
★ 4.7 (750) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Pipelines, Big Data, Microsoft Azure, Data Processing, Data Integration, Cloud Management, Cloud Services
★ 4.6 (21) · Advanced · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Splunk, Data Analysis, Unstructured Data, Analytics, Data Wrangling, Data Infrastructure, Social Network Analysis, Network Analysis, Classification Algorithms
★ 4.4 (400) · Mixed · Course · 1 - 3 Months