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, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Maintenance, Data Validation, Data Management, Clinical Data Management, Health Information Management, Metadata Management, Technical Communication, Change Control
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

Skills you'll gain: Data Cleansing, Database Design, Data Integration, Data Import/Export, SQL, Data Maintenance, Data Manipulation, Data Wrangling, Database Development, Database Management, Relational Databases, Data Quality, Data Integrity, Query Languages, Performance Tuning
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Data Cleansing, Data Transformation, Alteryx, Data Manipulation, Data Import/Export, Data Wrangling, Data Processing, Data Preprocessing, Workflow Management, Email Automation, Data Literacy, Scheduling, Automation, Exploratory Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Transaction Processing, Database Management, Microsoft SQL Servers, SQL, Data Manipulation, Relational Databases, Database Theory, Data Integrity, Data Access, Generative AI, AI Integrations, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, Power BI, Data Analysis Expressions (DAX), Data Cleansing, Data Modeling, Data Management, Data Transformation, Data Preprocessing, Data Manipulation, Data Wrangling, Data Validation, Data Integration, Data Processing, Data Analysis, Data Visualization Software, Query Languages, Data Visualization
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Storage Technologies, Data Architecture, Data Security, File Systems, Data Loss Prevention
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Data Governance, Data Architecture, Data Quality, Incident Response, Security Controls, Information Privacy, Data Management, Computer Security Incident Management, Security Strategy, Threat Management, Threat Detection, General Data Protection Regulation (GDPR), Law, Regulation, and Compliance, Data Infrastructure, Risk Management, Cybersecurity, Compliance Management, Encryption, Incident Management
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Power BI, Data Transformation, Data Manipulation, Data Wrangling, Data Visualization Software, Data Cleansing, Data Visualization, Data Storytelling, Microsoft Power Platform, Interactive Data Visualization, Data Presentation, Business Intelligence, Data Analysis, Data Analysis Software, Microsoft Excel, Data Quality, Query Languages, Microsoft PowerPoint, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Data Wrangling, Data Processing, Data Integration
Intermediate · Course · 1 - 3 Months