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: Responsible AI, AI Personalization, Sales Enablement, Sales Process, Sales Management, Sales Development, General Sales Practices, Sales Operations, Generative AI Agents, Customer Engagement, Sales, Data-Driven Decision-Making, AI Enablement, AI Integrations, Large Language Modeling
★ 4.2 (9) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: AI Security, Application Security, Secure Coding, Data Ethics, Vulnerability Assessments, Responsible AI, Security Strategy, Data Security, Security Controls, Cybersecurity, Threat Management, Continuous Monitoring, Encryption, Authentications, Penetration Testing, Data Management
★ 3.6 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Team Building, Stakeholder Engagement, Communication Strategies, Stakeholder Analysis, Interpersonal Communications, Internal Communications, Discussion Facilitation, Real Time Data, Ad Hoc Analysis
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Responsible AI, Data Ethics, Generative Adversarial Networks (GANs), Generative Model Architectures, LLM Application, Agentic systems, AI Security, Law, Regulation, and Compliance, Agentic Workflows, Discussion Facilitation, Regulatory Requirements, Regulatory Compliance, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, SAS (Software), Analytics, Machine Learning
Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: C++ (Programming Language), Programming Principles, Data Structures, Computer Programming, Code Reusability, Object Oriented Programming (OOP), Game Design, Memory Management
★ 4.8 (460) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Collaboration, Team Building, Team Collaboration, Teamwork, Sprint Retrospectives, Cross-Functional Collaboration, User Feedback, Employee Surveys, Process Improvement, Discussion Facilitation, Document Management, Performance Analysis, People Analytics, Editing, Decision Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Revenue Forecasting, Financial Statement Analysis, Financial Statements, Pharmaceuticals, Financial Modeling, Financial Analysis, Pharmaceutical Sales, Fixed Asset, Working Capital, Business Valuation, Profit and Loss (P&L) Management, Balance Sheet, Financial Forecasting, Forecasting, Investment Management, Cash Flow Forecasting, Cash Flows, Depreciation
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Statistical Inference, Statistical Methods, Statistics, Probability, Probability Distribution, Data Analysis, Statistical Analysis, Biostatistics, Statistical Hypothesis Testing, R Programming
★ 4.4 (544) · Mixed · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Synthesis, Data Integration, Data Literacy, Data Storytelling, Analysis, Case Studies, Advanced Analytics, People Analytics, Analytical Skills, Strategic Decision-Making, Business Metrics, Forecasting, Media and Communications, Persuasive Communication, Databases, Database Design, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Derivatives, Financial Trading, Risk Management, Futures Exchange, Financial Market, Securities Trading, Risk Mitigation, Market Data, Risk Analysis, Finance, Market Dynamics, Profit and Loss (P&L) Management
Mixed · Course · 1 - 3 Months

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Event-Driven Programming, Distributed Computing, Java Programming, Dataflow, Java, OS Process Management, Scala Programming, Data Structures, Programming Principles, Servers, Application Frameworks, Algorithms, Performance Tuning, Performance Testing, Functional Design, Graph Theory
★ 4.6 (1.6K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Software Documentation, Code Reusability, Model Training, Test Script Development, Continuous Delivery, Test Automation, Model Evaluation, Continuous Integration, Technical Documentation, API Design, Application Programming Interface (API), Data Validation, Applied Machine Learning, Machine Learning Methods, Maintainability, Version Control, Package and Software Management, Code Review
Intermediate · Course · 1 - 3 Months