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.

Google Cloud
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Model Deployment, AI Orchestration, AI Workflows, Generative AI, Google Cloud Platform, Data Modeling, Continuous Monitoring, Data Pipelines, Model Training, Feature Engineering, Model Optimization, DevOps, Agentic Workflows, Generative AI Agents, Data Store, Continuous Deployment, Data Preprocessing, Forecasting
★ 4 (500) · Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Convolutional Neural Networks, Health Informatics, Autoencoders, Recurrent Neural Networks (RNNs), Generative AI, Image Analysis, Machine Learning Methods, Embeddings, Generative Model Architectures, Machine Learning, Applied Machine Learning, Machine Learning Algorithms, Model Deployment, Artificial Neural Networks, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Health Care, Big Data
★ 3.3 (50) · Advanced · Specialization · 1 - 3 Months
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Laboratory Reports, Molecular Biology, Research Reports, Molecular, Cellular, and Microbiology, Biology, R (Software), Correlation Analysis, Informatics, Data Visualization Software, Biotechnology, Scientific Visualization, Network Model, Data Analysis Software, Data Synthesis, Life Sciences, Data Analysis, Microbiology, Analysis
★ 4.7 (2.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Frontend Performance, Javascript, Data Structures, Software Installation, Data Mapping, Maintainability, Functional Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Data Analysis, Classification Algorithms, Data Preprocessing, Model Training, Scikit Learn (Machine Learning Library), Predictive Modeling, Data Import/Export, Applied Machine Learning, Data Visualization Software, Machine Learning, Risk Analysis
★ 4.7 (44) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Excel Macros, Business Workflow Analysis, Scripting, Workflow Management, Microsoft Excel, Process Analysis, Visual Basic (Programming Language), Spreadsheet Software, Business Process Automation, Programming Principles, Scripting Languages, Automation Engineering, Automation, Maintainability, User Feedback, Debugging, Data Manipulation
Advanced · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Data Integration, Data Quality, Data Wrangling, Exploratory Data Analysis, Data Preprocessing, Data Transformation, Data Cleansing, Data Manipulation, Jupyter, Data Processing, Data Visualization, Data Analysis, Data Science, Data Management, Predictive Modeling, Python Programming
★ 4.8 (106) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Multi-Factor Authentication, Authentications, Identity and Access Management, Security Controls, Security Awareness, Data Security, Safety and Security, Security Management, Human Factors (Security), Cyber Security Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Microsoft Excel, Content Performance Analysis, Dashboard Creation, Data-Driven Marketing, Key Performance Indicators (KPIs), Marketing Analytics, Google Analytics, Web Analytics, Campaign Management, Performance Reporting, Performance Analysis, Dashboard, Data Analysis, Email Security, Market Data, Market Analysis, Market Intelligence, Strategic Marketing, Search Engine Optimization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Client Services, Loyalty Programs, Customer Retention, Relationship Management, E-Commerce, Brand Loyalty, Customer Relationship Management, Customer Service, Customer Relationship Building, Customer Engagement, Web Analytics, Digital Marketing, Product Improvement, Customer Analysis, Digital Analysis, Digital Marketing Tools, Conversion Funnel Analysis, Performance Analysis, Customer Insights, Presentations
★ 4.8 (6K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Qualitative Research, General Data Protection Regulation (GDPR), Sampling (Statistics), Data Ethics, Market Research, Focus Group, Interviewing Skills, Sample Size Determination, Statistical Methods, Data Collection, Statistical Analysis, Data Analysis, Heat Maps, No-Code Development, Return On Investment, AI Integrations
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Model Evaluation, Predictive Modeling, Model Training, Predictive Analytics, Verification And Validation, Statistical Modeling, Model Optimization, Applied Machine Learning, Regression Analysis, Supervised Learning, Python Programming, Text Mining, Classification Algorithms, Natural Language Processing
★ 4.3 (49) · Intermediate · Course · 1 - 4 Weeks