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.

Coursera
Skills you'll gain: Prompt Engineering, Sales Strategy, Sales Pipelines, AI Personalization, Sales Operations, Responsible AI, Lead Generation, Sales Development, Competitive Analysis, Sales Management, Marketing Automation, Customer Relationship Management (CRM) Software, Account Management, Business Process Automation, Business Intelligence, Workflow Management, Market Analysis, Data-Driven Decision-Making, Forecasting, Artificial Intelligence
★ 4 (41) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Six Sigma Methodology, Process Improvement and Optimization, Quality Improvement, Lean Manufacturing, Continuous Improvement Process, Data-Driven Decision-Making, Business Process, Process Analysis, Process Mapping, Business Analysis, Benchmarking, Root Cause Analysis, Stakeholder Engagement, Performance Measurement, Stakeholder Management, Project Management
★ 4.4 (34) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Threat Detection, Event Monitoring, Security Information and Event Management (SIEM), Incident Management, Cyber Threat Intelligence, Continuous Monitoring, Security Controls, Network Security, Network Monitoring, Splunk, Network Analysis, TCP/IP, Network Protocols, Document Management, Query Languages
★ 4.8 (3.4K) · Beginner · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Science and Research, Scientific Methods, Research Design, Research, Quantitative Research, Research Methodologies, General Science and Research, Statistical Reporting, Data Literacy, Sample Size Determination, Simulations, Statistical Inference, Statistical Methods, Statistical Analysis, Data Ethics, Computational Thinking, Data Synthesis
★ 4.9 (112) · Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Advanced Analytics, Financial Data, Financial Forecasting, Financial Analysis, Risk Modeling, Financial Modeling, Analytics, Predictive Analytics, Time Series Analysis and Forecasting, Statistical Analysis, Trend Analysis, Risk Analysis, Market Data, Predictive Modeling, Risk Management, Data Transformation, Applied Machine Learning, Machine Learning Methods, Descriptive Analytics, Statistical Methods
★ 4.6 (108) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Microsoft Excel, Business Analytics, Risk Analysis, Business Modeling, Data Modeling, Financial Modeling, Business Analysis, Risk Management, Resource Allocation, Statistical Analysis, Decision Intelligence, Mathematical Modeling, Process Optimization, Statistical Methods, Spreadsheet Software, Predictive Analytics, Transportation Operations
★ 4.8 (4.1K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Feature Engineering, Model Deployment, Tensorflow, Model Training, Exploratory Data Analysis, Google Cloud Platform, Model Evaluation, Data Preprocessing, Keras (Neural Network Library), Data Quality, Machine Learning Software, Business Metrics, Machine Learning Methods, Machine Learning, Applied Machine Learning, Logistic Regression, Dataflow, Data Pipelines, Cloud Deployment
★ 4.6 (448) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Ethics, Dashboard Creation, Dashboard, Power BI, Business Intelligence, Interactive Data Visualization, Data Presentation, Data Visualization, Data Visualization Software, Data-Driven Decision-Making, Business Reporting, Business Analytics, Data Analysis Expressions (DAX), Data Security, Ethical Standards And Conduct, Microsoft Power Platform, Data Management, Data Analysis, Performance Tuning, Role-Based Access Control (RBAC)
★ 4.7 (50) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Responsible AI, LangGraph, AI Integrations, AI Workflows, AI Orchestration, Agentic Workflows, LangChain, Generative AI Agents, CrewAI, OpenAI API, Agentic systems, LLM Application, Tool Calling, Case Studies, OpenAI, Governance, Compliance Management, Model Deployment, AI Security
★ 2.4 (33) · Intermediate · Specialization · 3 - 6 Months
Michigan State University
Skills you'll gain: Design Elements And Principles, Photography, Photo Editing, Peer Review, Post-Production, Image Quality, Photo/Video Production and Technology, File Management, Aesthetics, Visual Storytelling, Creative Design, Creativity, Digital Publishing, Web Presence, Social Media, Editing, Storytelling, Copywriting, Information Privacy, Writing
★ 4.7 (6.7K) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Model Training, Model Optimization, Deep Learning, Distributed Computing, Data Pipelines
★ 4.8 (439) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, NumPy, Data Visualization, Data Analysis, Plot (Graphics), Seaborn, Matplotlib, Statistical Visualization, Cloud Computing, Jupyter, Dimensionality Reduction, Data Science, Unsupervised Learning, Scikit Learn (Machine Learning Library), Machine Learning Methods, Numerical Analysis, Python Programming, Data Manipulation
★ 4.6 (298) · Intermediate · Guided Project · Less Than 2 Hours