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: Star Schema, Snowflake Schema, Data Warehousing, Data Modeling, Database Design, Data Architecture, Performance Tuning, Model Optimization, Business Analytics, Performance Measurement, Performance Metric, Business Metrics, Descriptive Analytics, Business Reporting
Advanced · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: NoSQL, Machine Learning Algorithms, Big Data, Model Evaluation, Apache Hadoop, Recurrent Neural Networks (RNNs), Deep Learning, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Apache Spark, Statistical Methods, Data Presentation, Generative AI, Convolutional Neural Networks, Transfer Learning, Analysis, Data Infrastructure, Machine Learning
★ 4.4 (41) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Multimodal Prompts, Embeddings, Large Language Modeling, Generative AI, Data Processing, Data Pipelines, Image Analysis, Prompt Engineering, Unstructured Data, Natural Language Processing, Text Mining, Computer Vision, Vector Databases, Data Capture, Sampling (Statistics)
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Python Programming, Performance Tuning
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Data Strategy, Data-Driven Decision-Making, Big Data, Data Science, NoSQL, Data Modeling, Data Storage Technologies, Analytics, Business Analytics, Applied Machine Learning, Machine Learning Methods, Data Analysis, Risking, Data Ethics, Machine Learning, Unsupervised Learning, Regression Analysis, Descriptive Analytics, Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.3 (274) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Stakeholder Management, Rmarkdown, Data Presentation, Data Storytelling, Data Visualization, Data Validation, Stakeholder Engagement, Ggplot2, Stakeholder Communications, Data Ethics, R (Software), Dashboard Creation, Analytical Skills, Data Integrity, Data Synthesis, Case Studies, Data-Driven Decision-Making, Data Analysis, Google Sheets
★ 4.5 (36) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Feature Engineering, Statistical Methods, Data Preprocessing, Statistical Inference, Statistical Hypothesis Testing, Data Processing, Applied Machine Learning, Data Access, Statistics, Statistical Analysis, Data Analysis, Data Cleansing, Data Manipulation, Data Science, Data Wrangling, Machine Learning, Probability & Statistics, Data Import/Export, Data Transformation
★ 4.6 (2.6K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Business Intelligence, Spreadsheet Software, Business Reporting, Data Visualization, Interactive Data Visualization, Data Presentation, Dashboard, Dashboard Creation, Data Analysis, Data Visualization Software, Data-Driven Decision-Making, Data Transformation, Analysis, Predictive Analytics, Data Management
Mixed · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Statistical Machine Learning, Predictive Modeling, Model Evaluation, Random Forest Algorithm, Applied Machine Learning, Predictive Analytics, Machine Learning Methods, Unsupervised Learning, Machine Learning Algorithms, Machine Learning, Data Analysis, Feature Engineering, Exploratory Data Analysis, Regression Analysis, Python Programming
★ 4.2 (328) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Multi-Cloud, Data Architecture, Dataflow, Data Management, Regulatory Compliance, Law, Regulation, and Compliance, Compliance Management, Cloud Management, Data Infrastructure, Regulatory Requirements, Data Strategy, AI Integrations, Data Science, Strategic Planning
★ 4.6 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Dashboard, Dashboard Creation, Microsoft Excel, Financial Modeling, Excel Macros, Data Presentation, Interactive Data Visualization, Data Import/Export, Spreadsheet Software, Data Modeling, Data Literacy, Forecasting, Workflow Management, Statistical Methods, Excel Formulas, Simulation and Simulation Software, Data Storytelling, Finance, Data Analysis
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Modeling, Data Infrastructure, Data Store, Databases, Big Data, Data Management, Database Management Systems, Real Time Data, NoSQL, Database Design, Data Processing, Apache Hadoop, Query Languages, Relational Databases, Data Structures, Data Analysis, Virtual Environment
★ 4.4 (3K) · Mixed · Course · 1 - 3 Months