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.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Molecular Biology, Data Structures, Python Programming, Data Analysis, Algorithms
★ 4.7 (937) · Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Statistical Reporting, R (Software), Statistical Methods, Statistics, R Programming, Statistical Software, Statistical Analysis, Probability & Statistics, Statistical Programming, Data Analysis, Sampling (Statistics), Probability Distribution, Software Installation
★ 4.8 (2.8K) · Beginner · Course · 1 - 3 Months

Tableau Learning Partner
Skills you'll gain: Data Literacy, Tableau Software, Business Analysis, Analytics, Business Analytics, Business Intelligence, Data Analysis, Data-Driven Decision-Making, Business Intelligence Software, Project Management, Descriptive Analytics, Predictive Analytics
★ 4.7 (499) · Beginner · Course · 1 - 4 Weeks
DeepLearning.AI
Skills you'll gain: Model Evaluation, Fine-tuning, Disaster Recovery, Data Analysis, Jupyter, Artificial Intelligence and Machine Learning (AI/ML), Exploratory Data Analysis, Image Analysis, Machine Learning Algorithms, Model Training, Data Ethics, Responsible AI, Emergency Response, Climate Change Adaptation, Artificial Intelligence, Machine Learning, Applied Machine Learning, Computer Vision, Supervised Learning, Natural Language Processing
★ 4.7 (619) · Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: AI Integrations, Tool Calling, Agentic systems, Generative AI Agents, AI Security, LLM Application, Context Management, Interoperability, Google Cloud Platform, Session Initiation Protocols, Risking, Systems Integration, Servers, Scalability, Risk Management, Pandas (Python Package)
Beginner · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Cloud Solutions, Cloud Security, Data Literacy, Data Storytelling, System Monitoring, Private Cloud, Data-Driven Decision-Making, Business Analytics, Team Oriented, Advanced Analytics, Exploratory Data Analysis, Data Management, Hybrid Cloud Computing, Virtual Machines, Enterprise Security, Data Processing, Data Manipulation, Statistical Software, Data Import/Export, Computer Programming
★ 4.5 (124) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, Generative AI Agents, LLM Application, Agentic systems, Tool Calling, Context Management, Retrieval-Augmented Generation, Data Persistence
Beginner · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Predictive Modeling, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, AI literacy, Large Language Modeling, Natural Language Processing, Model Training, Machine Learning, Model Evaluation, Decision Intelligence, Hugging Face, Machine Learning Methods, Generative AI, LLM Application, Bayesian Network, Human Centered Design, Python Programming
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Visualization, Data Visualization Software, Tableau Software, Data Storytelling, Data Presentation, Exploratory Data Analysis, Visual Design, Statistical Visualization, Graphic and Visual Design, Design Elements And Principles, Data Analysis, Color Theory, Data Ethics, Statistical Analysis, Anomaly Detection, Human Factors, Aesthetics
★ 4.4 (2.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, AI Orchestration, Generative AI Agents, Agentic Workflows, Agentic systems, LLM Application, Large Language Modeling, Artificial Intelligence, AI Personalization, Automation, Context Management, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Deep Learning, Image Analysis, Convolutional Neural Networks, Exploratory Data Analysis, Feature Engineering, Tensorflow, Model Training, Predictive Modeling, Transfer Learning, Applied Machine Learning, Machine Learning Methods, Application Development, Predictive Analytics, Model Evaluation, Machine Learning, Network Model, Analytics, Network Architecture, Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Unit Testing, Software Development Life Cycle, CI/CD, Object-Relational Mapping, OpenShift, Istio, Kubernetes, Cloud-Native Computing, Node.JS, Cloud Infrastructure, Git (Version Control System), HTML and CSS, Server Side, Javascript, Front-End Web Development, Cloud Computing, Data Ethics, Data Import/Export, Software Development
★ 4.6 (61K) · Beginner · Professional Certificate · 3 - 6 Months