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.

University of London
Skills you'll gain: Applied Mathematics, Trigonometry, Mathematics and Mathematical Modeling, Graphing, Calculus, Computer Science, Mathematical Theory & Analysis, Geometry, Plot (Graphics), Mechanics, Computer Graphics, Graph Theory, Mathematical Modeling, Functional Requirement, Graphic Design, Derivatives
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Adobe Photoshop, Photo Editing, Photography, Image Quality, Graphics Software, Adobe Creative Cloud, Digital Design, Photo/Video Production and Technology, Graphic and Visual Design, File Management, Design Elements And Principles, Graphical Tools, Data Import/Export, Post-Production, Computer Graphic Techniques, User Interface (UI), Editing, Productivity Software, Web Content, Color Matching
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cash Flows, Business Valuation, Financial Statement Analysis, Financial Statements, Financial Analysis, Balance Sheet, Financial Modeling, Profit and Loss (P&L) Management, Cash Flow Forecasting, Case Studies, Return On Investment, Financial Data, Financial Forecasting, Market Analysis, Equities, Market Dynamics
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Financial Forecasting, Feature Engineering, Model Evaluation, Applied Machine Learning, Statistical Machine Learning, Forecasting, Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Financial Data, Predictive Modeling, Model Training, Generative AI, Risking, Time Series Analysis and Forecasting, Market Data, Regression Analysis, Data Preprocessing, Verification And Validation, Credit Risk
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Market Trend, Market Data, Trend Analysis, Financial Trading, Market Analysis, Market Dynamics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ansible, Infrastructure as Code (IaC), Devops Tools, JSON, Kubernetes, DevOps, Microsoft Visual Studio, Python Programming, Data Structures
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, No-Code Development, Microsoft Power Automate/Flow, Data Integration, HTML and CSS, UI Components, Web Content, Web Design and Development, File Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Security Engineering, Cyber Attacks, Cybersecurity, Security Requirements Analysis, Security Testing, Threat Modeling, Vulnerability Assessments, Software Design, Encryption, Vulnerability Management, Security Controls, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer experience improvement, User Feedback, Customer Service, Customer Insights, Customer Analysis, Data Sharing, Business Communication
Beginner · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: File I/O, Cross Platform Development, Operating Systems, File Systems, Development Environment, Scripting, File Management, Scripting Languages, Data Processing, Virtual Machines, Python Programming, Virtualization and Virtual Machines, Programming Principles, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Data, Finance, Investments
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Amazon Web Services, Database Administration, Relational Databases, Database Software, IT Automation, Managed Services
Mixed · Course · 1 - 4 Weeks