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: Variance Analysis, Excel Macros, Excel Formulas, Microsoft Excel, Financial Data, Financial Forecasting, Spreadsheet Software, Financial Analysis, Financial Modeling, Budgeting, Data Cleansing, Revenue Forecasting, Management Reporting, Data Validation, Forecasting, Pivot Tables And Charts, Generative AI, Trend Analysis, Visual Basic (Programming Language), Data Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Modeling, Power BI, Data Analysis Expressions (DAX), Data Visualization Software, Plotly, Matplotlib, Data Transformation, Data Visualization, Interactive Data Visualization, Seaborn, Data Cleansing, Scatter Plots, Data Import/Export, Business Intelligence, Data Preprocessing
Beginner · Course · 1 - 3 Months

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: Data Visualization, Data Presentation, Management Reporting, Business Intelligence Software, Business Reporting, Business Analytics, Time Series Analysis and Forecasting, Analysis, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Programming Principles, Computational Logic, Computer Programming, Web Development, Application Development
Beginner · Guided Project · Less Than 2 Hours
STARWEAVER
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Sales Presentation, Sales Strategy, Sales Presentations, Customer Relationship Management (CRM) Software, HubSpot CRM, Storytelling, Data Literacy, B2B Sales, Business Marketing, Sales, Customer Relationship Management, Data Visualization Software, Sales Development, Customer Analysis, Business Intelligence, Business Communication, Analytics
★ 3.3 (8) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Formulas, Data Validation, Microsoft Excel, Accounting and Finance Software, Standard Accounting Practices, Spreadsheet Software, Data Quality, Data Maintenance, Data Integrity
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Lakes, Data Pipelines, Dataflow, Data Processing, Apache Spark, Model Deployment, Big Data, Tensorflow, Systems Design, Extract, Transform, Load, Apache Hadoop, Data Infrastructure, Real Time Data, Data Integration, Data Warehousing, Metadata Management, Data Architecture, Data Migration, Unstructured Data
★ 4.7 (817) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Agentic Workflows, MongoDB, Generative AI Agents, Scalability, Context Engineering, Data Architecture, Systems Design, System Design and Implementation, Development Environment, Embeddings, PostgreSQL, Database Design, Object-Relational Mapping, Data Modeling, SQL, Data Migration, Debugging
Advanced · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: Game Theory, Cyber Security Strategy, Data-Driven Decision-Making, Decision Intelligence, Cybersecurity, Data Science, Algorithms, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Data Modeling, Analytical Skills, Data Visualization, Analysis, Data Management, Business Reporting, Data Manipulation, Business Intelligence Software, Security Awareness
Beginner · Course · 1 - 4 Weeks