Data wrangling courses can help you learn data cleaning, transformation techniques, and data integration methods. You can build skills in handling missing values, reshaping datasets, and merging data from multiple sources. Many courses introduce tools such as Python libraries like Pandas and NumPy, as well as SQL for database management, showing how these skills streamline data preparation for analysis and visualization.

Skills you'll gain: SQL, Database Design, Database Management, Data Analysis, Relational Databases, Data Cleansing, Data Transformation, Version Control, Data Manipulation, Query Languages, AI Integrations, Analytics, GitHub, Analysis, Software Versioning, Git (Version Control System), Performance Tuning, Data Integrity
★ 3.9 (23) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Computer Hardware, Generative AI, Data Storage Technologies, Data Storage, Operating Systems, Microsoft 365, Hybrid Cloud Computing, Authorization (Computing), Generative Model Architectures, Data Security, Computer Science, OSI Models, Data Store, TCP/IP, Data Integrity, Cloud Computing, Data Processing, Network Protocols, Software Development
★ 4.8 (1.4K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Validation, Microsoft Excel, Spreadsheet Software, Data Entry, Microsoft Office
★ 4.5 (31) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Pipelines, Data Validation, SQL, Extract, Transform, Load, Data Transformation, JSON, Data Processing, Data Warehousing, Data Integration, Performance Testing, Performance Tuning, Data Quality, Verification And Validation, Dashboard, Scripting, Systems Integration, Dimensionality Reduction
Advanced · Course · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Statistical Methods, AI literacy, Statistical Analysis, Data Visualization, Generative AI, Statistical Visualization, Statistical Hypothesis Testing, Data Presentation, Data Storytelling, Box Plots, Data Analysis, Probability & Statistics, Plot (Graphics), Data-Driven Decision-Making, Exploratory Data Analysis, Artificial Intelligence, Analytics, Technical Communication, Statistical Inference, Graphing
★ 4.9 (9) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Data Storytelling, Data Presentation, Data Analysis, Dashboard Creation, Interactive Data Visualization, No-Code Development, Market Data, Data Science, Predictive Modeling, Data Ethics, Data Capture, Data Processing, Data Transformation, Data Integrity, Data Cleansing, Applied Machine Learning, Data Governance, Data Collection, Data Integration
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Unstructured Data, LLM Application, Large Language Modeling, Data Preprocessing, Metadata Management, Data Processing, JSON, Image Analysis, Data Transformation, Document Management, Vision Transformer (ViT)
★ 4.3 (18) · Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Governance, Data Strategy, Data Management, Data Pipelines, Data Integrity, General Data Protection Regulation (GDPR), Data Quality, Dataflow, Technical Communication, Compliance Auditing, Issue Tracking, Data Analysis, Regulation and Legal Compliance, Data Capture, Project Planning, Data Storage, Process Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Plotly, Histogram, Interactive Data Visualization, Scatter Plots, Plot (Graphics), Data Visualization, Data Analysis, Python Programming
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours

University of Virginia
Skills you'll gain: Model View Controller, Integrated Development Environments, Data Modeling, Data Store, Database Development, Database Design, Software Development Tools, NoSQL, Database Architecture and Administration, OpenAI API, LLM Application, Application Programming Interface (API), AI Enablement, OpenAI, ChatGPT, Version Control, Infrastructure Architecture, Artificial Intelligence, AI literacy, Restful API
Beginner · Course · 1 - 4 Weeks