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.

Northwestern University
Skills you'll gain: Data-Driven Decision-Making, Strategic Sourcing, Operations, Operational Analysis, Organizational Strategy, Operations Management, Procurement, Business Operations, Capacity Planning, Supply Chain, Competitive Analysis, Asset Management, Supply Management, Strategic Decision-Making, Business Strategy, Business Metrics, Supplier Relationship Management, Investment Management, Capacity Management, Planning
★ 4.6 (264) · Mixed · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Quantitative Research, Scientific Methods, Research Design, Science and Research, Research Methodologies, Research, Research and Design, Data Collection, Social Sciences, Peer Review, Experimentation, Data Analysis, Psychology
★ 4.8 (189) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Criminal Investigation and Forensics, Public Safety and National Security, Social Justice, Legal Proceedings, Jury Trial, Political Sciences, Case Law, Neurology, Social Sciences, Policy Analysis, Appeals, Litigation and Civil Justice, Disabilities, Mental and Behavioral Health Specialties, Sociology, Mental Health Diseases and Disorders, Law, Regulation, and Compliance, Cultural Diversity, Investigation, Intelligence Collection and Analysis
★ 4.6 (197) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Prompt Patterns, Prompt Engineering Tools, LLM Application, LangChain, Large Language Modeling, Responsible AI, AI Security, OpenAI, Generative AI, AI Personalization, Context Management, Natural Language Processing, CI/CD, Test Automation, Python Programming, Pandas (Python Package), Scalability, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Feature Engineering, Supervised Learning, Exploratory Data Analysis, Classification Algorithms, Machine Learning Algorithms, Applied Machine Learning, Model Deployment, Decision Tree Learning, Logistic Regression, Data Analysis, Data Preprocessing, Pandas (Python Package), NumPy
★ 4.4 (17) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Operating Systems, File Systems, Performance Testing, C and C++, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems
★ 3.8 (182) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Data Ethics, Responsible AI, Underwriting, Operational Efficiency, Lending and Underwriting, AI Integrations, Law, Regulation, and Compliance, Compliance Management, Regulatory Compliance, AI Enablement, Risk Analysis, Business Process Automation, Data-Driven Decision-Making, ChatGPT, Decision Making, Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
★ 3.9 (241) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, Network Architecture, TCP/IP, Network Performance Management, General Networking, Network Engineering, Wireless Networks, Telecommunications, Digital Communications
★ 4.7 (538) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Image Analysis, Tensorflow, Transfer Learning, Convolutional Neural Networks, Computer Vision, Fine-tuning, JavaScript Frameworks, JSON, Model Deployment, Browser Compatibility, Javascript, Model Training, Data Processing, Real Time Data, Web Applications, Data Capture, Machine Learning
★ 4.8 (1K) · Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Biochemistry, Biochemical Assays, Molecular Biology, Cell Biology, Chemistry, Laboratory Research, Laboratory Techniques, Scientific Visualization, Biology, Specimen Labeling, Drug Development
★ 4.6 (172) · Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Vision, Image Quality, Image Analysis, Computer Graphics, 3D Modeling, Photography, Virtual Reality, Visualization (Computer Graphics), Medical Imaging, Artificial Neural Networks, Unsupervised Learning, Graph Theory, Dimensionality Reduction, Mathematical Modeling, Estimation, Machine Learning Algorithms, Color Theory, Algorithms, Automation Engineering, Electronic Components
★ 4.7 (240) · Beginner · Specialization · 3 - 6 Months