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: Amazon S3, Cloud Security, Data Security, Cloud Storage, AWS Identity and Access Management (IAM), Encryption, Key Management, Security Controls, Data Storage Technologies, Data Storage, Authorization (Computing), Cryptography, Identity and Access Management, Cryptographic Protocols, Public Key Infrastructure, Data Sharing, Data Access, Disaster Recovery, Record Keeping
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Quantitative Research, Analysis, Research Methodologies, Data Analysis, Data Collection, Data Quality, Research Design, Data Transformation, Statistical Analysis, Data Literacy, Data Modeling, Data Validation, Mitigation
★ 4.7 (82) · Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Data Ethics, Data Storytelling, Social Network Analysis, Exploratory Data Analysis, Statistical Hypothesis Testing, Classification And Regression Tree (CART), Statistical Machine Learning, Bayesian Statistics, Dimensionality Reduction, Data Visualization, Statistical Visualization, Data Analysis, Supervised Learning, Machine Learning Methods, Data Preprocessing, Statistical Programming, Web Scraping, Applied Machine Learning, Statistical Modeling, Linear Algebra
Degree · 1 - 4 Years

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Data Modeling, Applied Mathematics
★ 4.4 (800) · Advanced · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Big Data, Apache Hive, Apache Spark, NoSQL, Data Infrastructure, File Systems, Data Processing, Data Management, Dataflow, Analytics, Data Science, Databases, Data Integration, SQL, Query Languages, File I/O, Data Architecture, Distributed Computing, Performance Tuning
★ 4.6 (10) · Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Probability & Statistics, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Statistical Hypothesis Testing, Customer Insights, Analytical Skills, Customer Analysis, Customer Retention, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Statistical Visualization, Statistical Modeling, Predictive Analytics, Descriptive Analytics
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Sampling (Statistics), Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Data-Driven Decision-Making, Regression Analysis, Data Science, Statistical Inference, Predictive Analytics, Rmarkdown, Statistical Methods, Applied Machine Learning, Model Evaluation, Machine Learning
★ 4.7 (10) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
★ 4.5 (75) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Plotly, Data Presentation, Matplotlib, Interactive Data Visualization, Seaborn, Plot (Graphics), Data Visualization, Data Visualization Software, Statistical Visualization
★ 4.9 (11) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Dimensionality Reduction, Data Analysis, Supervised Learning, Anomaly Detection, Machine Learning, Machine Learning Algorithms, Unsupervised Learning, Data Mining, Predictive Modeling, Model Evaluation, Regression Analysis, Decision Tree Learning, Statistical Methods, Project Planning, Logistic Regression
★ 5 (7) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Processing, Data Visualization, Data Presentation, Data Cleansing, Data Collection, Data Visualization Software, Data Manipulation, Data Preprocessing, Python Programming, Web Analytics and SEO, Algorithms, Data Analysis, Web Scraping
★ 4.7 (14K) · Beginner · Course · 1 - 3 Months