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.

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Responsible AI, Data Strategy, Data Ethics, Data Management, Data Security, Generative AI, Generative AI Agents, Data Mapping, AI Integrations, Data Governance, Containerization, Data Architecture, Retrieval-Augmented Generation, Interoperability, Enterprise Architecture, Metadata Management, Data Pipelines, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Javascript, Application Programming Interface (API), Computer Programming, Object Oriented Programming (OOP), Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Database Software, Database Management, Database Theory, Data Warehousing, Interactive Data Visualization, Dashboard, Database Administration, Data Visualization Software, Star Schema, Dashboard Creation, Linux Commands, Unix, Data Integrity, Unit Testing, Algorithms, Analytics, Database Architecture and Administration, Software Versioning, Command-Line Interface
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Apache Airflow, Dataflow, Extract, Transform, Load, Data Pipelines, Apache Kafka, Real Time Data, AWS Kinesis, Data Validation, Data Warehousing, System Monitoring, Event Monitoring, Data Infrastructure, Data Collection, Data Integrity, Snowflake Schema, Continuous Monitoring, Automation, Data Quality, Data Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Azure Synapse Analytics, Information Management, Data Management, Databricks, Data Storage Technologies, Data Security
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), Peer Review, Software Testing, Object Oriented Design, Computer Programming, Program Development, Algorithms, Problem Solving
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Databricks, Big Data, Distributed Computing, Public Cloud, Cloud Computing, Data Lakes, Cloud Platforms, Cloud Services, Multi-Cloud, Data Processing, Data Storage Technologies, Analytics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Architecture, Data Storage, Data Wrangling, Data Integration, Data Transformation, SQL, Data Manipulation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Excel Macros, Data Validation, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Scatter Plots, Histogram, Data Integrity, Excel Formulas, Spreadsheet Software, Analysis, Forecasting, Data Analysis Software, Data Analysis, Debugging, Visual Basic (Programming Language), Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Data Security, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Cryptographic Protocols, Public Key Infrastructure, Authentications, Key Management, Identity and Access Management, Web Development, Application Security, Web Applications, Data Integrity, Multi-Factor Authentication, Security Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Memory Management, Software Visualization, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Modeling, Enterprise Resource Planning, Business Intelligence, Interactive Data Visualization, Data Store, Security Controls, Data Visualization Software, Dashboard Creation, Workflow Management, Business Workflow Analysis, Data Import/Export, Data Warehousing, Extract, Transform, Load, Data Processing, Data Integration, Data Wrangling, Project Implementation, Microsoft Excel, Data Transformation, Authorization (Computing)
Mixed · Course · 1 - 3 Months