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: Generative Adversarial Networks (GANs), Generative AI, Fraud detection, Generative Model Architectures, Keras (Neural Network Library), Tensorflow, Data Preprocessing, Deep Learning, Dimensionality Reduction, Data Visualization, Model Training, Data Synthesis, Python Programming
★ 4.1 (9) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Interactive Data Visualization, Dashboard Creation, Data Presentation, Data Storytelling, Dashboard, Data Visualization Software, Data Security, Data Integration, Data Transformation, Data Integrity, Data Import/Export, Data Management, Data Manipulation, Data Modeling, Software Installation
★ 2.8 (6) · 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, Budgeting, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Data Visualization Software, Interactive Data Visualization, Code Reusability, Application Development, User Interface (UI) Design, Application Design, Animation and Game Design, Web Content Accessibility Guidelines
Intermediate · Course · 1 - 3 Months

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: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Theoretical Computer Science, Software Development, Data Structures, Computer Programming, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, Apache Spark, Transaction Processing, Cloud Infrastructure, Data Lakes, PySpark, Data Security, Security Controls, Performance Tuning, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Data Storage Technologies, Data Storage, Cloud Deployment, Data Warehousing, Data Management, Infrastructure Architecture, Data Integrity, Infrastructure as Code (IaC)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Data Analysis Expressions (DAX), Spreadsheet Software, Excel Macros, Data Presentation, Data Analysis, Chart.js, Data Mart, Spatial Data Analysis, Automation, Decision Tree Learning, IT Automation, Course Development, Strategic Decision-Making, C and C++, Design, AI Workflows
★ 4.9 (32) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Metadata Management, Data Sharing, Data Pipelines, Extract, Transform, Load, Google Cloud Platform, Data Migration, Data Warehousing, Data Infrastructure, Apache Airflow, Data Processing, Big Data, Data Import/Export, Data Storage, Data Management, IT Automation, Cloud Storage, Apache Spark, Automation
★ 5 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Statistical Visualization, Data Wrangling, Data Science, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Exploratory Data Analysis, Data Storytelling, Data Presentation, Data Analysis, Model Evaluation, Dashboard Creation, Interactive Data Visualization, No-Code Development, Market Data, Business Analytics, Data Science, Analytics, Model Training, Model Deployment, Model Optimization, Applied Machine Learning, Machine Learning, Predictive Modeling, Data Visualization
Beginner · Specialization · 1 - 3 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