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: Quantitative Research, R (Software), Scatter Plots, R Programming, Statistical Visualization, Correlation Analysis, Statistical Programming, Descriptive Statistics, Statistical Analysis, Data Analysis, Statistics, Statistical Methods, Exploratory Data Analysis, Data Manipulation, Data Import/Export, Data Structures, Development Environment
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Optimization, Machine Learning Methods, Applied Mathematics, Calculus, Applied Machine Learning, Numerical Analysis, Mathematical Modeling, Machine Learning, Data Visualization, Python Programming, Artificial Neural Networks, Deep Learning, Computer Programming, Derivatives
★ 4.8 (956) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Analytics, Data Visualization, Plot (Graphics), Statistical Visualization, Matplotlib, Marketing Analytics, Social Media Marketing, Python Programming, Social Media, Data Presentation, Data Analysis, Data Wrangling, Exploratory Data Analysis, Data Cleansing, Seaborn, Content Performance Analysis, Jupyter
★ 4 (40) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, Data Presentation, Business Analysis, Data Analysis, Query Languages, Databases
★ 4.2 (47) · Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Generative AI, Large Language Modeling
★ 3.3 (7) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Databricks, Data Lakes, Data Transformation, Data Quality, Data Infrastructure, Data Governance, Data Pipelines, Real Time Data, Data Architecture, Data Management, Terraform, Data Maintenance, Data Validation, Apache Spark, Data Access, Data Integrity, Data Storage, Cloud Computing, Scalability, Data Security
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Supervised Learning, Feature Engineering, Predictive Modeling, Predictive Analytics, Data Manipulation, Statistical Machine Learning, Classification Algorithms, Machine Learning Methods, Statistical Modeling, Design Thinking, Scikit Learn (Machine Learning Library), Data Cleansing, Model Training, Regression Analysis, Data Processing, Model Optimization, Tensorflow, Logistic Regression
★ 4.5 (115) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Numerical Analysis, Advanced Mathematics, Mathematical Theory & Analysis, Mathematical Modeling, Mathematical Software, Data Analysis, Probability, Geometry, Applied Mathematics, Mechanics, Estimation, Probability & Statistics, Exploratory Data Analysis, Graphing, Physics
★ 4.8 (143) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Ethics, Responsible AI, Data Collection, Game Theory, Data Preprocessing, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Algorithms, Decision Intelligence, Artificial Intelligence, Model Evaluation, Predictive Modeling, Mitigation
★ 4.8 (123) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Extract, Transform, Load, Data Pipelines, Data Processing, Data Transformation, Data Manipulation, Apache, Scripting, Debugging, Query Languages, Scripting Languages, Program Development, Open Source Technology
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Software, Data Lakes, Database Architecture and Administration, NoSQL, Database Management, Data Strategy, MySQL, Cloud Deployment, Data Security, Machine Learning Methods
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Power BI, Microsoft Azure, Database Management, NoSQL, Cloud Deployment, Database Theory, Dashboard Creation, Data Integration, Data Visualization Software, Database Systems, SQL, Data Store, Database Management Systems, Data Storage, Data Modeling, Extract, Transform, Load, Data Storage Technologies, Data Processing, Infrastructure As A Service (IaaS)
★ 4.7 (27) · Beginner · Course · 1 - 4 Weeks