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 California, Davis
Skills you'll gain: Network Analysis, Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Data Cleansing, Databases, Social Media Analytics, Text Mining, Social Sciences, Applied Machine Learning, Data Preprocessing, Data Collection, Simulations, IBM Cloud, Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Dashboard Creation, Collaborative Software, Management Reporting, Developing Training Materials, Problem Management, Data Presentation, Problem Solving, Performance Reporting, Data Analysis, End User Training and Support, Training and Development, Jira (Software), Network Troubleshooting, Trend Analysis, User Feedback, Data-Driven Decision-Making, Technical Support, Stakeholder Management, Document Management
Intermediate · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft Excel, Data Visualization, Dashboard Creation, Dashboard, Spreadsheet Software, Excel Formulas, Excel Macros, Productivity Software, Data-Driven Decision-Making, Business Reporting, Collaborative Software, Data Sharing, Data Import/Export, Data Cleansing, Automation
Intermediate · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Descriptive Statistics, Statistical Software, Plot (Graphics), Statistical Analysis, Statistical Visualization, Statistical Programming, Statistical Reporting, Biostatistics, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Deep Learning, Mathematical Software, Machine Learning
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Model Optimization, Keras (Neural Network Library), Tensorflow, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Neural Networks, Decision Tree Learning, Machine Learning Methods, Applied Machine Learning, Predictive Modeling, Fine-tuning, Scikit Learn (Machine Learning Library), Regression Analysis, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: R (Software), R Programming, Computational Logic, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Training, Data Import/Export, Model Evaluation, No-Code Development, Exploratory Data Analysis, Predictive Modeling, Applied Machine Learning, Data Pipelines, Machine Learning Software, Data Preprocessing, Data Analysis, Machine Learning, Predictive Analytics
Beginner · Guided Project · Less Than 2 Hours

Total Seminars
Skills you'll gain: Cryptographic Protocols, Public Key Infrastructure, Threat Detection, Cloud Security, IT Security Architecture, Network Security, Public Key Cryptography Standards (PKCS), Cryptography, Cloud Computing, Key Management, Cloud Infrastructure, Enterprise Architecture, Cloud Services, Virtualization, Security Engineering, Security Management, Data Management, Security Software, Security Awareness, TCP/IP
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Ads, Keyword Research, Target Audience, Pay Per Click Advertising, Search Engine Marketing, Advertising Campaigns, Campaign Management, Advertising, Online Advertising, Digital Advertising, Paid media, Marketing, Digital Marketing, Return On Investment
Beginner · Guided Project · Less Than 2 Hours

Pragmatic AI Labs
Skills you'll gain: Performance Tuning, SQL, Rust (Programming Language), Database Systems, Database Software, Relational Databases, Database Development, Database Application, Database Management, Data Engineering, JSON, Databases, Query Languages, Command-Line Interface, SQL Server Reporting Services, Data Import/Export, Data Processing, Database Administration, Data Science, Data Modeling
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Data Engineering, Rust (Programming Language), Command-Line Interface, Data Pipelines, Package and Software Management, Data Processing, Containerization, JSON, Unix Commands, Data Validation, Build Tools, Software Development Tools, Linux Commands, Development Environment, Release Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: CrewAI, Agentic Workflows, Generative AI Agents, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, AI Orchestration, Artificial Intelligence, Agentic systems, Automation, LLM Application, AI literacy, Model Evaluation, Innovation
Intermediate · Course · 1 - 4 Weeks