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: Data Storytelling, Seaborn, Exploratory Data Analysis, Plot (Graphics), Matplotlib, Data Visualization, Scatter Plots, Data Visualization Software, Interactive Data Visualization, Regression Analysis, Statistical Visualization, Box Plots, Descriptive Statistics, Data Presentation, Data-Driven Decision-Making, Data Analysis, Statistical Reporting, Statistical Analysis, Pivot Tables And Charts, Python Programming
Beginner · Specialization · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Database Management Systems, System Design and Implementation, Theoretical Computer Science, Computer Programming, Computer Science
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Data Modeling, Data Transformation, Data Processing, Data Warehousing, Data Preprocessing, Apache Hadoop, Extract, Transform, Load, Data Pipelines, Apache Spark, Feature Engineering, Star Schema, Applied Machine Learning, Real Time Data
Intermediate · Course · 1 - 4 Weeks

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)
Beginner · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Plotly, Interactive Data Visualization, Data Visualization, Data Visualization Software, Data Presentation, Statistical Visualization, Data Storytelling, Dashboard Creation, Dashboard, Scatter Plots, Graphing, Diagram Design, Python Programming, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Presentation, Spatial Data Analysis, Data Visualization, Datamaps, Tableau Software, Matplotlib, Geospatial Information and Technology, Leaflet (Software), Spatial Analysis, Geospatial Mapping, Plot (Graphics), Seaborn, Visual Storytelling, Data Ethics, Data Mapping, Network Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Geospatial Information and Technology, Geospatial Mapping, Color Theory, Spatial Data Analysis, Tree Maps, Data Storytelling, Tableau Software, Data Mapping, Text Mining, Unstructured Data, Network Analysis, Graph Theory
Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Power BI, Data Visualization, Dashboard Creation, Interactive Data Visualization, Analytics, Data Analysis, Data Modeling, Data Visualization Software, Advanced Analytics, Data Analysis Expressions (DAX), Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security, Security Controls
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Analytics, Query Languages, Data Analysis, Data Manipulation, SQL, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Data Maintenance, Role-Based Access Control (RBAC), Authentications, Data Storage, Data Management, Data Infrastructure, Security Controls, Authorization (Computing), Records Management, Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, System Configuration, Configuration Management
Mixed · Course · 1 - 3 Months

Maven Analytics
Skills you'll gain: Prompt Engineering, Generative AI, Google Gemini, ChatGPT, Data Analysis Expressions (DAX), Power BI, Deep Learning, Excel Formulas, Analytics, Google Sheets, AI literacy, Microsoft Excel, Artificial Intelligence, Data Analysis, Python Programming, SQL, Business Intelligence, Data Science, Debugging
Beginner · Course · 1 - 3 Months