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.

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
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Matplotlib, Data Visualization, Plot (Graphics), Seaborn, File I/O, NumPy, Python Programming, Pandas (Python Package), Data Analysis, Program Development, Data Import/Export, JSON, Package and Software Management, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), File I/O, Image Analysis, Data Manipulation, Mobile Development Tools, Matplotlib, Computer Vision, Full-Stack Web Development, Data Analysis, Object Oriented Design, Python Programming, Android (Operating System), File Systems, Application Design, Programming Principles, Code Reusability, File Management, Data Structures, User Interface (UI) Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Serverless Computing, Identity and Access Management, Cloud Security, Real Time Data, Data Processing, Debugging, Site Reliability Engineering, Google Cloud Platform, Data Security, Data Maintenance, Data Integrity, Data Access, CI/CD, Performance Tuning, Pandas (Python Package), Cloud Storage, Data Transformation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), Web Scraping, Python Programming, Jupyter, Image Analysis, Text Mining, Data Manipulation, Computer Vision, Data Analysis, Natural Language Processing, Data Visualization Software, Data Science, Unstructured Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Geospatial Information and Technology, Geospatial Mapping, Spatial Data Analysis, Applied Machine Learning, Geographic Information Systems, GIS Software, Spatial Analysis, Environmental Monitoring, Machine Learning Methods, Unsupervised Learning, Data Analysis Software, Image Analysis, Machine Learning, R Programming, Data Processing, Data Preprocessing, Classification Algorithms, Data Transformation, Dimensionality Reduction, Data Import/Export
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Data Storage Technologies, Remote Access Systems, Performance Tuning, Linux Administration, Data Storage, Systems Administration, Cloud Storage, Red Hat Enterprise Linux, File Systems, File Management, Information Management, Software Installation, Data Access, Data Loss Prevention, Servers, System Monitoring, Data Management, Data Integrity, Security Controls
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Seaborn, Tableau Software, Statistical Visualization, Dashboard, Matplotlib, Dashboard Creation, Plot (Graphics), Heat Maps, Scatter Plots, Histogram, Data Mapping, Graphing
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Command-Line Interface, Google Cloud Platform, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Test Automation, Algorithms, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Medical Record, Electronic Medical Record System, Patient Registration, Health Information Management and Medical Records, Medical Records, Health Information Management, Patient Safety, Data Cleansing, Reconciliation, Records Management, Clinical Documentation, Record Keeping, Data Validation, Data Integrity, Clinical Data Management, Consolidation, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Security, Databricks, Data Store, Data Quality, Microsoft Azure, Data Storage, Data Transformation, Data Processing, Data Cleansing, Query Languages, Performance Tuning, Data Integration, Data Pipelines, Apache Spark, Encryption, Data Analysis, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Database Design, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours