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.

ISC2
Skills you'll gain: Security Controls, Governance, Cybersecurity, Information Assurance, Risk Management Framework, Cyber Security Policies, Cyber Governance, Data Ethics, Cyber Risk, Security Awareness
★ 4.8 (666) · Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Digital Signal Processing, Image Quality, Image Analysis, Medical Imaging, Telecommunications, Communication Systems, Matlab, Mathematical Modeling, Color Theory, Applied Mathematics, Estimation, Model Optimization
★ 4.6 (1.8K) · Mixed · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Data Preprocessing, Data Analysis, Model Training, Data Collection, AI Workflows, MLOps (Machine Learning Operations), Statistical Analysis, Model Deployment, Data Processing, Data Cleansing, Applied Machine Learning, Predictive Modeling, Machine Learning, Model Evaluation, Descriptive Statistics, Machine Learning Algorithms, Process Management
★ 4.7 (21) · Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Machine Learning Methods, Unsupervised Learning, Supervised Learning, Machine Learning Algorithms, Machine Learning, Applied Machine Learning, Intellectual Property, AI literacy, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), Legal Risk, Reinforcement Learning, Artificial Intelligence, General Data Protection Regulation (GDPR), Dimensionality Reduction, Cloud Platforms, Deep Learning, Social Impact, Hardware Architecture, Artificial Neural Networks
★ 4.6 (849) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Stakeholder Communications, Workflow Management, Stakeholder Management, Jira (Software), Internal Communications, Project Documentation, IT Management, Project Management, Data Storytelling, Communication Strategies, User Feedback, Information Architecture, Data Visualization, Visual Design, Business Process Automation, Automation, Key Performance Indicators (KPIs), Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon CloudWatch, Key Management, Amazon Elastic Compute Cloud, Amazon Web Services, Amazon S3, Infrastructure Security, Cloud Security, Security Controls, Cloud Infrastructure, AWS CloudFormation, Network Security, Cryptography, Network Infrastructure, Encryption, Virtual Networking, Cloud Storage, Network Monitoring, Event Monitoring, Incident Response, Incident Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Model Deployment, Data Preprocessing, Model Optimization, Model Evaluation, Data Transformation, Model Training, Applied Machine Learning, MLOps (Machine Learning Operations), Predictive Modeling, Exploratory Data Analysis, Machine Learning Methods, Machine Learning, Scikit Learn (Machine Learning Library), Data Science, IBM Cloud, Python Programming
★ 4.3 (16) · Intermediate · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Algorithms, Bioinformatics, Graph Theory, Computational Thinking, Data Structures
★ 4.8 (1.3K) · Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Anatomy, Medical Imaging, Pathology, Obstetrics And Gynecology, General Surgery, General Medicine, Physiology, Clinical Assessment, Surgery, Visualization (Computer Graphics)
★ 4.8 (457) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Generative Model Architectures, Generative AI, Fine-tuning, Model Evaluation, Responsible AI, Information Privacy
★ 3.6 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Spreadsheet Software, Data Visualization, Plot (Graphics), Data Management
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Retrieval-Augmented Generation, Amazon Bedrock, LLM Application, AWS SageMaker, Token Optimization, Large Language Modeling, Amazon Web Services, No-Code Development, Prompt Engineering, Generative AI, AI Orchestration, Model Deployment, Generative AI Agents, Package and Software Management, Model Training, Rust (Programming Language), Model Optimization, Performance Tuning, Data Wrangling
Beginner · Course · 1 - 4 Weeks