Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Skills you'll gain: Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, Data Lakes, PySpark, Apache Spark, Data Quality, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Web Scraping, Geospatial Information and Technology, Microsoft Azure, Cloud Storage, Interactive Data Visualization, R Programming, Data Collection, Cloud Services, Data Manipulation, Data Science, Data Visualization Software, Data Integration, Data Analysis, Data Ethics, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Mechanics, Engineering Calculations, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Facility Management, Event Management, Legal Risk, Contract Management, Performance Analysis, Hospitality and Food Services, Facility Operations, Event Planning, Business Analytics, Analytics, Data Management, Data-Driven Decision-Making, Scheduling, Community Outreach, Labor Relations, Event Marketing, Relationship Management, Data Analysis, Law, Regulation, and Compliance, Regulation and Legal Compliance
Beginner · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Histogram, Data Analysis, Exploratory Data Analysis, Graphing, Data Visualization Software, Data Literacy, Descriptive Statistics, Statistical Software, Statistics, Data Management, Research, Psychology
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Plot (Graphics), Scripting, Scientific Visualization, Visualization (Computer Graphics), Graphing, Scalability, Text Mining, Statistical Analysis, Time Series Analysis and Forecasting, Programming Principles, Data Visualization, Descriptive Statistics, Mathematical Software, File I/O, Software Installation, Numerical Analysis, Mathematical Modeling, Predictive Modeling, Python Programming, Data Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Data Manipulation, Plotly, Data Visualization, Web Scraping, Interactive Data Visualization, Data Visualization Software, Data Cleansing, Data Preprocessing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Real Time Data, Apache Spark, Apache Hive, Data Pipelines, Apache Hadoop, Data Processing, Extract, Transform, Load, Amazon Web Services, Serverless Computing, Data Lakes, Data Visualization, Amazon S3, Query Languages, Data Warehousing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Infographics, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Data-Driven Decision-Making, Data Strategy, Strategic Decision-Making, Business Analytics, Business Intelligence, Analytics, Business Transformation, Forecasting, Data Science, Operational Analysis, Data Analysis, Market Intelligence, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Dashboard, Excel Macros, Microsoft 365, Data Presentation, Pivot Tables And Charts, Spreadsheet Software, Productivity, Productivity Software, Data Analysis, Workflow Management, Generative AI Agents, Automation, Artificial Intelligence, Customer Data Management, Business Consulting, Generative AI, Data Management, Leadership Development
Intermediate · Course · 1 - 3 Months