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: SQL, SAS (Software), Query Languages, Data-Driven Decision-Making, Data Processing, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kibana, Dashboard Creation, Dashboard, Interactive Data Visualization, Data Visualization, Data Visualization Software, Data Presentation, Grafana, Graphing, Data Analysis, Splunk, Real Time Data, Exploratory Data Analysis, Anomaly Detection, Time Series Analysis and Forecasting, Query Languages, SQL, Machine Learning Algorithms, Role-Based Access Control (RBAC), Qualitative Research
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Microsoft Visual Studio, R (Software), Microsoft Excel, R Programming, Data Sharing, Data Processing, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Computational Thinking, Algorithms, Debugging, Java, Applied Mathematics, Programming Principles, Computer Programming, Theoretical Computer Science, Numerical Analysis, Computer Programming Tools, Mathematical Theory & Analysis, Pseudocode, Software Installation, Software Architecture, Performance Tuning, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Systems, C (Programming Language), Embedded Software, Data Structures, Code Reusability, Memory Management, C and C++, Programming Principles, Data Management, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: People Analytics, Workforce Planning, Job Analysis, Human Resource Strategy, Talent Sourcing, Human Resources Management and Planning, Human Resources, Workforce Management, Google Sheets, Talent Recruitment, Consolidation, Talent Acquisition, Compensation Analysis, Full Cycle Recruitment, Recruitment Strategies, Recruitment, Analysis
★ 4.6 (45) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Digital Transformation, Data Warehousing, Dataflow, Google Cloud Platform, Data Governance, Looker (Software), Data Transformation, Data Management, Cloud Storage, Data Storage, Real Time Data, Business Intelligence Software, Data Migration, Business Intelligence, Data Processing, Data-Driven Decision-Making, Database Management, Data Access, Databases, Data Pipelines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Cloud Management, Continuous Deployment, Application Lifecycle Management, Capacity Management, Software Versioning, Virtual Networking, API Gateway, Identity and Access Management, Model Deployment, Security Controls, Large Language Modeling
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Dashboard, Dashboard Creation, Interactive Data Visualization, Data Presentation, Data Visualization Software, Business Intelligence, Amazon Web Services, Business Intelligence Software, Business Analytics, Data Analysis, Data Sharing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Customer Analysis, Customer Insights, Customer Data Management, MongoDB, Data Processing, Data Validation, Extract, Transform, Load, Financial Data, Data Import/Export, Data Pipelines, Data Integration, Code Reusability, Development Environment
★ 4.7 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Role-Based Access Control (RBAC), Authentications, Authorization (Computing), Data Transformation, Data Processing, Distributed Computing, Data Manipulation, Security Controls, Data Access, Identity and Access Management, Data Security, Metadata Management, Scalability
Beginner · Course · 1 - 4 Weeks