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 Michigan
Skills you'll gain: Web Development Tools, Javascript, Debugging, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Web Design, Interactive Design, Event-Driven Programming, Web Design and Development, HTML and CSS, Web Development, Cascading Style Sheets (CSS), Data Structures
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: A/B Testing, Key Performance Indicators (KPIs), Data-Driven Marketing, Dashboard Creation, Email Marketing, Business Metrics, Performance Metric, Performance Measurement, Dashboard, Performance Reporting, Marketing Analytics, Business Reporting, Report Writing, Content Performance Analysis, Web Analytics, Campaign Management, Google Sheets, Microsoft Excel, Data Visualization, Stakeholder Analysis
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Object Oriented Programming (OOP), Computer Programming, Debugging, Data Cleansing, Problem Solving, Code Reusability, Algorithms, Spreadsheet Software, Data Management, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Business Intelligence, Data Mining, Business Intelligence Software, Business Analytics, Data Analysis, Statistical Visualization, Data Management, Data Store, Data Collection, Data Visualization, Analytics, Data Warehousing, Data Wrangling, Extract, Transform, Load, Business Analysis Tools, Statistical Analysis, Business Technologies, Business Analysis, Data Visualization Software
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Email Automation, Workflow Management, Agentic Workflows, AI Workflows, No-Code Development, Deepseek, LLM Application, Generative AI Agents, Large Language Modeling, Generative AI, Automation, Application Deployment, AI Integrations, Google Sheets, Context Management, Gmail, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transfer Learning, Fine-tuning, Tensorflow, Natural Language Processing, Keras (Neural Network Library), Embeddings, Model Training, Deep Learning, Classification Algorithms, Model Evaluation, Machine Learning, Software Visualization
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Algorithms, Computational Thinking, Data Structures, Geometry
Intermediate · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Supervised Learning, Model Optimization, Machine Learning Algorithms, Machine Learning Methods, Applied Machine Learning, Classification Algorithms, Model Evaluation, Jupyter, Statistical Machine Learning, Decision Tree Learning, Model Training, Machine Learning, Data Preprocessing, Business Solutions, Python Programming, Regression Analysis, Performance Analysis, Data Processing
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Employee Retention, Talent Management, Data Storytelling, People Analytics, Data Literacy, Risk Analysis, Stakeholder Communications, Talent Recruitment, Performance Analysis, Human Resources, HR Tech, Data Analysis, Talent Sourcing, Microsoft Excel, Spreadsheet Software, AI Enablement, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Model Training, Image Analysis, Model Optimization, Computer Vision, Model Deployment, Image Quality, MLOps (Machine Learning Operations), Data Analysis, Deep Learning, Exploratory Data Analysis, Failure Analysis, Data Preprocessing, Workflow Management, AI Workflows, Data Transformation, Experimentation, Performance Analysis, Data Manipulation, Performance Metric
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Information Systems, Database Software, Database Systems, Database Management Systems, Database Design, Information Management, Databases, Diagram Design, Relational Databases, Database Management, Data Management, Software Systems
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Flask (Web Framework), Application Programming Interface (API), Restful API, Back-End Web Development, Database Management, Bootstrap (Front-End Framework), Object-Relational Mapping, Database Development, Web Applications, SQL, Email Automation, UI Components, Database Design, Application Deployment, Authentications, Front-End Web Development, File Management, Data Migration, User Accounts, Data Validation
Intermediate · Course · 1 - 3 Months