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.

LearnQuest
Skills you'll gain: JSON, Apple iOS, Database Application, Mobile Development, Application Programming Interface (API), Swift Programming, Data Storage, Model View Controller, Data Modeling, Data Integration, UI Components, Network Protocols, User Interface (UI)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Plot (Graphics), Data Visualization, Statistical Visualization, Data Visualization Software, Heat Maps, Box Plots, Anomaly Detection, Matplotlib, Seaborn, Plotly, Data Processing, Data Cleansing, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Tree Maps, Geographic Information Systems, Plotly, Data Analysis, Data Visualization, Interactive Data Visualization, Data Visualization Software, Jupyter, Statistical Analysis, Pandas (Python Package)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Data Pipelines, Amazon CloudWatch, Cloud Storage, Real Time Data, AWS Identity and Access Management (IAM), Data Storage, Database Management Systems, Data Management, Data Infrastructure, Cloud Security, Encryption, Scalability
Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Mobile Banking, Data Sharing, Financial Regulation, Payment Systems, Financial Services, Open Source Technology, Finance, Business Ethics, Human Centered Design, Interoperability, Real Time Data, Product Design, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Data Visualization Software, Data Analysis, Exploratory Data Analysis, Data Cleansing, Data Processing, Data Manipulation, Big Data, Jupyter, Pandas (Python Package), People Analytics
Intermediate · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Data Storytelling, Statistical Visualization, Data-Driven Decision-Making, Data Visualization Software, Data Mining, Exploratory Data Analysis, Data Cleansing, Data Manipulation, Graphing, Big Data, Data Transformation, Programming Principles, Python Programming, Data Structures, NumPy, Scripting
Mixed · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Programming Principles, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Processing, Distributed Computing, Data Analysis Expressions (DAX), Data Integration, Data Transformation, SQL, Data Manipulation, Data Cleansing
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Dataflow, Google Cloud Platform, Data Pipelines, Feature Engineering, Real Time Data, Tensorflow, Data Lakes, Apache Spark, Dashboard, Apache Kafka, Big Data, Serverless Computing, Data Warehousing, Unstructured Data, Applied Machine Learning, Data Management, Data Infrastructure, Cloud Engineering, Cloud Storage, PySpark
Intermediate · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Responsible AI, Data Governance, Data Strategy, Data Ethics, Data Management, Data Pipelines, Data Architecture, Generative AI, Metadata Management, Data Store, Governance, Data Loss Prevention, Data Security, Interoperability, Data Integrity, Docker (Software), Data Storage, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence
Intermediate · Specialization · 1 - 3 Months