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: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Power BI, Data-Driven Decision-Making, Data Analysis, Extract, Transform, Load, Business Intelligence, Data Collection, Data Transformation
★ 4.4 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interviewing Skills, Data Pipelines, Apache Airflow, Professional Networking, Data Presentation, Web Presence, Portfolio Management, GitHub, Apache Spark, Data Quality, Apache, Python Programming, SQL
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon S3, Amazon Web Services, SQL, Extract, Transform, Load, Data Quality, Cloud Engineering, Data Pipelines, Version Control, Data Modeling, Data Storage, Cloud Storage, Git (Version Control System), Data Management, Query Languages, Data Storage Technologies, Data Processing, Cloud Security, AWS Identity and Access Management (IAM), Data Security, Big Data
Beginner · Course · 1 - 4 Weeks
Microsoft
Skills you'll gain: Fine-tuning, Generative AI, Model Optimization, Large Language Modeling, Data Ethics, LLM Application, Responsible AI, Feature Engineering, AI Security, Advertising, Marketing, Anomaly Detection, Data Synthesis, Information Privacy
★ 4.5 (27) · Intermediate · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Data Literacy, Finance, Business Ethics, Product Design, Application Programming Interface (API)
★ 4.8 (31) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Looker (Software), Data Visualization Software, Performance Metric, Marketing Analytics, Interactive Data Visualization, Data Storytelling, Data-Driven Marketing, Business Reporting, Data Presentation, Trend Analysis, Dashboard Creation, Grafana, Data Literacy, Tableau Software, Performance Reporting, Power BI, Time Series Analysis and Forecasting, Descriptive Analytics, Data Sharing, Data Integration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bayesian Statistics, Databricks, Sampling (Statistics), Statistical Modeling, Probability, Jupyter, Regression Analysis, Probability & Statistics, Statistical Analysis, Model Evaluation, Probability Distribution, Data Science, Markov Model, Statistics, Statistical Programming, Statistical Inference, Statistical Methods, Simulations, Data Visualization, Python Programming
★ 4 (109) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Data Synthesis, Data Visualization Software, Data Analysis, Exploratory Data Analysis, Data Cleansing, Data Wrangling, Data Processing, Data Manipulation, Big Data, Data Science, Jupyter, People Analytics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Scatter Plots, Plot (Graphics), Regression Analysis, Excel Formulas, Statistical Visualization, Microsoft Excel, Data Analysis, Statistical Modeling, Descriptive Statistics, Analytics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Spreadsheet Software, Correlation Analysis, Statistics, Analysis, Exploratory Data Analysis, Predictive Modeling, Trend Analysis
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Pivot Tables And Charts, Advanced Analytics, Descriptive Statistics, Microsoft Excel, Descriptive Analytics, Data Import/Export, Spreadsheet Software, Marketing Effectiveness, Data-Driven Decision-Making, Marketing Strategies, Data Literacy, Statistics, Statistical Methods, Market Data, Small Data, Data Wrangling, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Data Management, Statistical Reporting, Data Sharing, Version Control, Clinical Trials, GitHub, Data Quality, Medical Privacy, Quality Assurance, Risk Analysis, Risk Management, R (Software), Maintainability, DevOps, R Programming, Package and Software Management, Agile Software Development, Agile Methodology
★ 4.1 (11) · Intermediate · Course · 1 - 3 Months