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.

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Database Design, Database Software, Database Administration, Database Architecture and Administration, Database Management, Performance Tuning, Data Storage, SQL, Enterprise Application Management, Network Administration, Memory Management, User Accounts
Mixed · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Data Transformation, Data Manipulation, Data Wrangling, Statistical Analysis, Data Processing, Data Synthesis, Time Series Analysis and Forecasting, Data Analysis, Big Data, Data Science, Business Analytics, Data Visualization
★ 4.7 (54) · Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Microsoft Copilot, Microsoft 365, Microsoft Teams, Productivity Software, Prompt Engineering Tools, Risking, Data Ethics, Workflow Management, Team Performance Management, Generative AI Agents, Agentic Workflows, AI powered creativity, Content Development and Management, Goal Setting, Document Management, Generative AI, Microsoft Excel, Productivity, Microsoft PowerPoint, Business Communication
★ 4.2 (31) · Beginner · Specialization · 3 - 6 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronic Components, Electronic Systems, Electronics, Electrical Engineering, Electronic Hardware, Electronics Engineering, Computational Logic, Data Storage Technologies, Data Storage
★ 4.6 (56) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Model Training, Tensorflow, Dataflow, Data Processing, Data Transformation, Data Store, Keras (Neural Network Library), Data Modeling, Applied Machine Learning, Data Pipelines, Machine Learning, Predictive Modeling
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Prompt Engineering Tools, Model Evaluation, Fine-tuning, Agentic systems, Model Optimization
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Keras (Neural Network Library), Tensorflow, Model Training, Model Evaluation, Deep Learning, Convolutional Neural Networks, Model Optimization, Image Analysis, Predictive Modeling, Data Preprocessing, Applied Machine Learning, Artificial Neural Networks, Computer Vision
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: Responsible AI, AI Enablement, Generative AI, Data Ethics, Artificial Intelligence, Financial Forecasting, Business Ethics, Digital Transformation, Content Creation
★ 4.5 (125) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Model Deployment, Feature Engineering, Machine Learning Methods, Microsoft Azure, Applied Machine Learning, Machine Learning, Machine Learning Algorithms, Data Processing, Cloud Deployment, Machine Learning Software, Data Cleansing, Supervised Learning, Data Transformation, Model Training, Artificial Intelligence and Machine Learning (AI/ML), Model Optimization, Data Quality
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Health Assessment, Public Health, Program Evaluation, Epidemiology, Public Health and Disease Prevention, Health Policy, Intelligence Collection and Analysis, Data Collection, Report Writing
★ 4.6 (75) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Responsible AI, Vibe coding, Application Development, Web Applications, AI literacy, Integrated Development Environments, Development Environment, Prompt Engineering
Intermediate · Course · 1 - 4 Weeks