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: Animations, Animation and Game Design, Multimedia, Motion Graphics, Video Editing, Computer Graphic Techniques, Photo/Video Production and Technology, Knowledge of Apple Software, Graphics Software, Data Import/Export, User Interface (UI), Timelines, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Tuning, System Monitoring, Data Lakes, Transact-SQL, Data Analysis Expressions (DAX), Star Schema, Microsoft Azure, Databricks, Real Time Data, Power BI, Data Storage, Analytics, Apache Spark, Data Modeling, Model Optimization, Extract, Transform, Load, PySpark, Continuous Monitoring, Data Pipelines, Dataflow
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Machine Interfaces, Network Protocols, Communication Systems, System Configuration, Remote Access Systems, Automation, Web Servers, Scripting, System Monitoring, Systems Integration, Authorization (Computing), Algorithms, Data Structures
Advanced · Course · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, Application Development, Application Design, No-Code Development, Data Ethics, Artificial Intelligence, Product Development, Design and Product, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Ethical Standards And Conduct, Personal Development, Marketing Design, Product Marketing, Marketing Automation, Marketing, Business Marketing, Digital Marketing
★ 4.4 (18) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Software Documentation, Test Automation, Software Quality Assurance, Code Review, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Success Management, Customer Relationship Building, Customer Relationship Management, Consultative Approaches, Market Analysis, Market Opportunities, Organizational Structure, Market Data, Business Relationship Management, Rapport Building, Business Modeling, Business Solutions, Business Technologies, Active Listening, Consulting, Relationship Building, Technology Solutions
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Object Oriented Programming (OOP), Database Application, Plot (Graphics), Databases, Natural Language Processing, SQL, Python Programming, Data Processing, Development Environment, Data Manipulation, Document Management, Data Structures, Operations, Problem Solving, Algorithms, Data Collection
★ 4.8 (16) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Animation and Game Design, Animations, 3D Assets, Visual Storytelling, User Interface (UI), Creative Design, Software Installation
Mixed · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Digital Marketing, Web Analytics, Digital Advertising, Search Engine Marketing, Digital Marketing Campaigns, Digital Analysis, Online Advertising, Digital Marketing Tools, Google Analytics, Search Engine Optimization, Web Analytics and SEO, Google Ads, Marketing Channel, Social Media Marketing, Marketing Strategies, MarTech, Marketing Planning, Paid media, Marketing Analytics, Social Media Campaigns
★ 4.2 (13) · Beginner · Course · 1 - 3 Months

Howard University
Skills you'll gain: Regression Analysis, Data-Driven Decision-Making, Data Modeling, Business Modeling, Business Analytics, Statistical Analysis, Statistical Methods, Spreadsheet Software, Analysis, Forecasting, Data Analysis, Microsoft Excel, Data Analysis Software, Predictive Modeling, Business Strategy
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Valuation, Forecasting, Financial Forecasting, Financial Analysis, Risk Analysis, Financial Statement Analysis, Financial Data, Finance, Business Analysis, Analysis, Financial Market, Corporate Finance, Business, Due Diligence, Market Data, Market Analysis
★ 5 (10) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Access, Excel Macros, Health Information Management, Medical Records, Medical History Documentation, Case Report Forms, Microsoft Excel, Databases, SQL, Data Access, Database Management Systems, Visual Basic (Programming Language), Microsoft Project, Database Management, Database Systems, Patient Observation, Automation, Operations, Design, Business
Mixed · Course · 1 - 4 Weeks