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.

Coursera
Skills you'll gain: Data Manipulation, Tidyverse (R Package), Data Wrangling, Data Analysis, R Programming, R (Software), Data Transformation, Statistical Analysis
★ 4.6 (22) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Security Controls, Scalability, Azure Synapse Analytics, Data Pipelines, Databases, Microsoft Azure, Data Governance, Extract, Transform, Load, Data Lakes, Databricks, NoSQL, Data Processing, Data Management, Big Data, Apache Spark, Dashboard Creation, Interactive Data Visualization, Large Language Modeling, Applied Machine Learning, Model Training
Intermediate · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, General Science and Research, Software Development Tools, GitHub, Statistical Programming, Git (Version Control System), Software Versioning, Software Configuration Management, Data Analysis, Statistical Reporting, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Data Maintenance, Role-Based Access Control (RBAC), Authentications, Enterprise Application Management, Data Storage, Data Management, Data Infrastructure, Security Controls, Authorization (Computing), Records Management, Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, System Configuration
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Visualization, Exploratory Data Analysis, Data Visualization Software, Data Presentation, Data Ethics, Tableau Software, Data Analysis, Data Cleansing, Data Manipulation, Data Transformation, Data Preprocessing, Data Wrangling, Technical Communication, Data Quality, Data Validation, Python Programming
★ 4.7 (912) · Advanced · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Power BI, Data Visualization, Dashboard Creation, Interactive Data Visualization, Analytics, Data Analysis, Data Modeling, Data Visualization Software, Advanced Analytics, Data Analysis Expressions (DAX), Statistical Analysis, Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security, Security Controls
★ 4.6 (59) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Data Transformation, Engineering Management, Data-Driven Decision-Making, Capacity Planning, Capacity Management, Decision Intelligence, Data Management, Management Reporting
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Management, Financial Data, Time Series Analysis and Forecasting, Performance Measurement, Financial Forecasting, Market Data, Forecasting, Performance Metric, Analytics, Financial Trading, Performance Analysis, Financial Analysis, R Programming, Financial Market, Portfolio Risk, Investment Management, Investments, R (Software), Statistical Analysis, Risk Analysis
★ 4.4 (223) · Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Bioinformatics, Big Data, Analytics, Health Informatics, R (Software), Advanced Analytics, Medical Science and Research, Predictive Analytics, R Programming, Predictive Modeling, Statistical Analysis, Data Cleansing, Molecular Biology, Feature Engineering, Data Preprocessing, Model Evaluation, Unsupervised Learning, Classification Algorithms
★ 4.2 (287) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Compliance Reporting, Data Centers, Sustainability Standards, Sustainable Architecture, Data Infrastructure, Corporate Sustainability, Operational Efficiency, Product Lifecycle Management, Performance Metric
Advanced · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Bioinformatics, Theoretical Computer Science, Social Network Analysis, Network Analysis, Network Routing, Computational Thinking, Mathematical Theory & Analysis, Analysis, Computer Science, Probability & Statistics, Probability, Design Strategies
★ 4.8 (6K) · Intermediate · Specialization · 3 - 6 Months

Association of International Certified Professional Accountants
Skills you'll gain: Data Literacy, Data-Driven Decision-Making, Analytics, Financial Data, Business Analytics, Analytical Skills, Data Analysis, Data Storage Technologies, Project Implementation, Data Analysis Software, Project Scoping, Unstructured Data
★ 4.7 (96) · Beginner · Course · 1 - 4 Weeks