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 Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Hardening, Cryptographic Protocols, Cybersecurity, Encryption, Security Controls, Proxy Servers, Information Privacy, Servers, Communication Systems, Web Servers, Network Routing, Network Analysis, Cloud Hosting, Cloud Deployment
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Frontend Integration, Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Classification And Regression Tree (CART), Model Evaluation, Predictive Analytics, Predictive Modeling, Decision Tree Learning, Data Preprocessing, Applied Machine Learning, Data-Driven Decision-Making, Marketing Analytics, Data-Driven Marketing, Classification Algorithms, Model Optimization, Model Training, Marketing, Fine-tuning
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Storytelling, Leaflet (Software), Statistical Methods, Rmarkdown, Regression Analysis, Version Control, Web Scraping, Data Visualization, Statistics, Data Manipulation, Statistical Analysis, Time Series Analysis and Forecasting, Statistical Programming, Probability & Statistics, Tidyverse (R Package), Data Cleansing, Data Wrangling, Software Documentation, R Programming, R (Software)
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Technical Writing, Data Structures, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Mobile Development, AI powered creativity, Generative AI, Generative Model Architectures, Prompt Engineering Tools, Anthropic Claude, Mobile Development Tools, LLM Application, iOS Development, Machine Learning Software, Personalized Campaigns, Apple iOS, AI Product Strategy, Machine Learning Methods, Application Development, Model Training, Digital Analysis, Cloud Applications, Application Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Digital Analysis, E-Commerce, Interactive Data Visualization, Analytics, Key Performance Indicators (KPIs), Google Analytics, Marketing Analytics, Generative AI, Data-Driven Marketing, Data Analysis, Business Strategy, Data Processing, Artificial Intelligence, Data Collection
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Technical Communication, AI Enablement, Model Deployment, AI Workflows, Generative AI Agents, Data Integration, AI Orchestration, Agentic Workflows, Business Transformation, Cloud Deployment, Initiative and Leadership, AI Product Strategy, Digital Transformation, Continuous Monitoring, Agentic systems, Compliance Management, Data Presentation, Stakeholder Communications, Regulatory Compliance, Compliance Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Education Software and Technology, Mathematics Education
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Responsible AI, Generative AI, AI literacy, Google Cloud Platform, System Support, Data Ethics, Model Evaluation, Strategic Planning
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Fine-tuning, LangChain, Generative AI, Model Training, Model Optimization, Artificial Intelligence, Token Optimization, Prompt Engineering, Transfer Learning, LLM Application, AI Workflows, Model Evaluation, Data Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks