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.

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Large Language Modeling, Embeddings, Data Processing, Data Store, Data Access, Vector Databases, Prompt Engineering, Document Management
★ 4.8 (687) · Beginner · Project · Less Than 2 Hours

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Query Languages, Databases, Database Management, Analytics, PostgreSQL, Data Manipulation, Data Integration, Data Analysis, Data Processing, Virtual Machines
★ 4.8 (531) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Data Analysis Software, Big Data, R Programming, Statistical Programming, Statistical Software, Statistical Analysis, Data Preprocessing, Data Processing, Data Manipulation, Data Structures, Software Installation, Data Import/Export, Data Access
★ 3.8 (388) · Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: NoSQL, Machine Learning Algorithms, Big Data, Model Evaluation, Recurrent Neural Networks (RNNs), Apache Hadoop, 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 (44) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Presentation, Trend Analysis, Data Literacy, Content Performance Analysis, Analysis, Data Analysis, Web Analytics, Data-Driven Decision-Making, Stakeholder Communications, Performance Metric, Data Management, Decision Making
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Dashboard, Dashboard Creation, Performance Tuning, Business Intelligence Software, SQL, Data Analysis, Data Persistence
★ 4.7 (72) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Business Intelligence Software, Business Intelligence, Power BI, Financial Reporting, Business Reporting, Data Presentation, Data Visualization Software, Microsoft Excel, Interactive Data Visualization, Data Transformation, Data Cleansing, Data Import/Export, Data Sharing, Data Validation
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Data Visualization, Dashboard, Analysis, Data Analysis, Ad Hoc Analysis, Data Maintenance, SQL, Database Development, Database Design, Data Store, Query Languages, Business Intelligence, Usability Testing, Data Transformation, Data Management, Data Access, Google Cloud Platform, Data Validation
★ 4.7 (430) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Probability & Statistics, Statistical Analysis, Statistics, Data Literacy, Data Visualization, Statistical Hypothesis Testing, Statistical Visualization, Descriptive Statistics, Data Analysis, Analytics, Statistical Methods, Histogram, Plot (Graphics), Probability, Simulations, Probability Distribution, Correlation Analysis, Statistical Inference, Estimation, Sampling (Statistics)
★ 4.8 (63) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Data Storytelling, Excel Formulas, Data Analysis, Data Presentation, Customer Analysis, Spreadsheet Software, Descriptive Analytics, Statistical Analysis, Business Reporting, Performance Analysis, Descriptive Statistics, Google Sheets, Report Writing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Presentation, Graphic and Visual Design, Visual Design, Data Storytelling, Design Elements And Principles, Plot (Graphics), Data Literacy, Scatter Plots
★ 4.9 (8) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Python Programming
★ 4.6 (182) · Beginner · Guided Project · Less Than 2 Hours