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.

Johns Hopkins University
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Probability, Applied Mathematics, Advanced Mathematics, Estimation, Probability & Statistics, Geometry, Mathematical Modeling, Graphing
★ 4.7 (54) · Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Apache Kafka, Data Pipelines, Data Mapping, Data Integrity, Data Transformation, Data Store, Data Modeling, Cloud Deployment, SQL, PostgreSQL, Data Capture, Data Validation, Continuous Integration, Data Storage Technologies, Real Time Data, Continuous Monitoring, Schematic Diagrams
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Data Wrangling, Data Manipulation, Spreadsheet Software, Business Reporting, Financial Analysis, Financial Data, Data Import/Export, Data Cleansing, Excel Formulas, Microsoft Excel, Budget Management, Trend Analysis, Expense Management, Data Analysis, Financial Reporting, Pivot Tables And Charts, Variance Analysis, Descriptive Analytics, Budgeting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Web Services, Performance Tuning, .NET Framework, Model View Controller, Application Development, UI Components, Application Design, Software Design, User Interface (UI), User Interface (UI) Design, Software Architecture, Web Applications, Event-Driven Programming, Animations, Software Design Patterns, Frontend Performance, Maintainability, Data-oriented programming, Human Computer Interaction
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Visualization Software, Data Visualization, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Graphing, Data Preprocessing, Data Manipulation, Scatter Plots, Data Wrangling, Data Analysis, Data Modeling, Software Installation, Data Integration, Data Access
Beginner · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Forecasting, Spatial Data Analysis, Data Visualization Software, Data Mapping, Interactive Data Visualization, Time Series Analysis and Forecasting, Trend Analysis, Predictive Analytics, Geospatial Mapping, Data Analysis, Geospatial Information and Technology, Data Wrangling, Geographic Information Systems, Advanced Analytics, Analytics, Data Transformation, Statistical Programming
★ 4.8 (223) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, MLOps (Machine Learning Operations), Data Science, Machine Learning, Prompt Engineering Tools, Model Evaluation, Applied Machine Learning, Data Store, AI Workflows, Apache Spark, Data Strategy, Data Import/Export, Azure Synapse Analytics, Cloud Computing, Fine-tuning, Data Pipelines, Continuous Monitoring, Data Preprocessing, Scalability, Development Environment
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Business Reporting, Spreadsheet Software, Data Presentation, Data Wrangling, Performance Reporting, Analytics, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Business Intelligence, Data Analysis, Data Analysis Software, Data Presentation, Microsoft Office, Microsoft 365, Data-Driven Decision-Making, Data Visualization, Trend Analysis, Productivity Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard Creation, R (Software), Dashboard, User Interface (UI), UI Components, Data Integration, Server Side, Interactive Design, User Interface (UI) Design, Web Applications, Software Architecture, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Anthropic Claude, Business Intelligence, Data Presentation, Data Visualization, Data Storytelling, Trend Analysis, Sales Presentations, Sales, Business Analytics, Sales Strategy, Data-Driven Decision-Making, Data Analysis, Business Strategies, Business Strategy, Business Analysis, LLM Application
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data-Driven Decision-Making, Prioritization, Business Writing, Strategic Decision-Making, Report Writing, Strategic Prioritization, Data Storytelling, Business Priorities, Data Analysis, Product Roadmaps, Writing, Strategic Thinking, Decision Making, Analytical Skills, Strategic Communication, Risk Analysis, Product Improvement, Resource Allocation, Trend Analysis, Project Estimation
Intermediate · Course · 1 - 4 Weeks