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.

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Plot (Graphics), Load Balancing, Data Visualization Software, Cloud Security, Network Security, Cloud Management, Cloud Computing, Database Systems, Cloud Hosting, Database Management Systems, Big Data, Database Management, General Networking, Apache Hadoop, Cloud Infrastructure, Operating System Administration, Network Architecture, Apache Spark, Machine Learning
★ 4.6 (145) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Architecture, Model Optimization, Artificial Neural Networks, Model Training, Performance Testing, Deep Learning, Vision Transformer (ViT)
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Memory Management, C (Programming Language), Embedded Systems, Software Visualization, Computer Engineering, Embedded Software, System Programming, Computer Programming, Data Structures, Linux
★ 4.7 (66) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Computer Networking, Threat Modeling, Security Controls, Simple Object Access Protocol (SOAP), TCP/IP, Web Applications, Restful API, Information Privacy, OSI Models
★ 4.4 (172) · Intermediate · Course · 1 - 3 Months

Caltech
Skills you'll gain: Specimen Preparation, Medical Imaging, Image Analysis, Specimen Processing, Cell Biology, Engineering, Scientific, and Technical Instruments, Laboratory Equipment, Laboratory Techniques, Digital Signal Processing, Scientific Visualization, 3D Modeling
★ 4.9 (272) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, LangChain, AI Orchestration, Generative AI Agents, CrewAI, Statistical Methods, Agentic Workflows, Statistical Analysis, Data Transformation, Agentic systems, Statistical Inference, Business Intelligence, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Performance Metric, Descriptive Analytics, Data Analysis, Correlation Analysis, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud Development, Google Cloud Platform, Containerization, Cloud Applications, Identity and Access Management, Generative AI, Cloud Storage, Data Persistence, CI/CD, Cloud-Native Computing, Infrastructure As A Service (IaaS), Application Deployment, Cloud Infrastructure, Prompt Engineering, Large Language Modeling, Cloud Services, Public Cloud, Virtual Networking, Continuous Deployment
★ 4.8 (770) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Marketing, Direct Marketing, Campaign Management, Personalized Campaigns, Campaign Planning, Digital Marketing Tools, Marketing, Digital Marketing, Target Audience, Registration, Design, Business
★ 4.5 (385) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: IT Management, Project Risk Management, Risk Management, Risk Analysis, Project Management, AI literacy, Internal Communications, Responsible AI, Generative AI, Case Studies, Innovation, Data-Driven Decision-Making, Decision Making
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, AI Orchestration, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Data Persistence, Context Management
★ 4.7 (303) · Intermediate · Project · Less Than 2 Hours

Campus BBVA
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Security Management, Crisis Management, Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Cyber Threat Intelligence, Threat Management, Cyber Risk, Security Awareness, Data Security, Email Security, Asset Protection, Mobile Security, Endpoint Security, Business Process, Data Loss Prevention, Authentications
★ 4.7 (498) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Intercultural Competence, Stakeholder Engagement, Stakeholder Communications, User Story, Empathy & Emotional Intelligence, Stakeholder Management, Persuasive Communication, Target Audience, Non-Verbal Communication, Communication Planning, Influencing, Professional Development, Strategic Communication, Leadership, Data Management, Data Integrity, Negotiation, Rapport Building, Data Presentation, Product Requirements
★ 4.6 (109) · Beginner · Specialization · 3 - 6 Months