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: Application Deployment, Web Services, Performance Tuning, .NET Framework, Model View Controller, Application Development, UI Components, Application Design, Software Design, User Interface (UI), User Interface (UI) Design, Software Architecture, Web Applications, Event-Driven Programming, Animations, Software Design Patterns, Frontend Performance, Maintainability, Data-oriented programming, Human Computer Interaction
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: SQL, Transaction Processing, Query Languages, Database Management, Data Manipulation, Data Security, Security Controls, Security Management, Database Architecture and Administration, Data Transformation, Data Access, Data Integrity, Authorization (Computing), Data Dictionary
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics and SEO, Data Storytelling, Driving engagement, Statistical Methods, Statistical Analysis, Technical Communication, Performance Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storage Technologies, Data Storage, File Systems, File Management, Information Management, Data Loss Prevention, Servers, Data Management, Disaster Recovery, Data Integrity, Infrastructure Architecture, System Configuration, Scalability, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Statistical Visualization, Data Presentation, Data Wrangling, Data Processing, Data Science, Data Structures
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Health Policy, Data Presentation, Health Disparities, Health Equity, Health Informatics, Data Literacy, Epidemiology, Data Visualization, Data Quality, Data Storytelling, Social Determinants Of Health, Public Health, Public Health and Disease Prevention, Data-Driven Decision-Making, Policy Analysis, Health Assessment, Policy Development, Data Collection, Data Visualization Software, Diversity Awareness
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Key Performance Indicators (KPIs), Microsoft Excel, Data Presentation, Data Analysis Expressions (DAX), Data Integration, Performance Measurement, Pivot Tables And Charts, Data Visualization Software, Spreadsheet Software, Performance Reporting, Trend Analysis, Cloud-Based Integration, Time Series Analysis and Forecasting, Data Analysis, Data Modeling, Data Manipulation, Microsoft 365, Microsoft Office, Productivity Software
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Algorithms, Theoretical Computer Science, Data Structures, Computational Thinking, Analysis, Performance Tuning, Memory Management, Scalability
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Google Cloud Platform, Google Sheets, Data Visualization, Spreadsheet Software, Analytics, Scripting, Data Presentation, Google Workspace, Cloud API, Data Compilation
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Splunk, Anomaly Detection, Dashboard Creation, Statistical Reporting, Real Time Data, Data Analysis, Data Visualization Software, System Configuration, Analytical Skills, Data Processing, Distributed Computing, Data Cleansing, Data Import/Export, Configuration Management
Beginner · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Data Mining, Data Analysis, Case Studies, Statistical Analysis, Financial Data, Data Structures, Data Presentation, Data Processing, User Interface (UI), Object Oriented Programming (OOP), Data Capture, Pandas (Python Package), NumPy, Python Programming, Data Wrangling, Web Scraping, Graphical Tools, Data Manipulation, Programming Principles, Data Preprocessing
★ 4.7 (1.6K) · Mixed · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Apache Hive, Big Data, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Database Theory, Distributed Computing, Data Processing, Transaction Processing, Business Intelligence, Data Management
★ 4 (27) · Beginner · Course · 1 - 4 Weeks