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: Microsoft SQL Servers, Performance Tuning, SQL, Database Management, Database Management Systems, Query Languages, System Monitoring, Application Performance Management
★ 4.3 (10) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Information Assurance, Encryption, Exploit development, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Security Testing, Cyber Security Policies
★ 4 (600) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Financial Modeling, Business Valuation, Bankruptcies, Financial Statement Analysis, Banking, Corporate Strategy, Investment Banking, Financial Analysis, Corporate Finance, Financial Data, Mergers & Acquisitions, Cash Flows, Case Studies, Financial Statements, Credit Risk, Balance Sheet, Generally Accepted Accounting Principles (GAAP)
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Visual Basic (Programming Language), Data Import/Export, Programming Principles, Spreadsheet Software, UI Components, User Interface (UI), Automation, File I/O, Data Integration, Data Validation
★ 4.9 (1.3K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Amazon DynamoDB, Containerization, Application Deployment, Databases, Cloud Computing Architecture, Scalability, Docker (Software), Amazon Elastic Compute Cloud, Kubernetes, Database Architecture and Administration, Cloud Deployment, Database Management, NoSQL, Load Balancing, Web Applications, Security Testing, Performance Testing
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Feature Engineering, Model Evaluation, Machine Learning Algorithms, Model Optimization, Machine Learning Methods, Random Forest Algorithm, Advanced Analytics, Algorithms, Applied Machine Learning, Decision Tree Learning, Predictive Modeling, Data Preprocessing, Fine-tuning, Performance Tuning
★ 3.8 (12) · Beginner · 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

Illinois Tech
Skills you'll gain: Model Evaluation, Regression Analysis, Verification And Validation, Feature Engineering, Plot (Graphics), Statistical Methods, Statistical Modeling, Scatter Plots, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Statistical Inference, Statistical Hypothesis Testing
★ 4.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Operational Risk, Compliance Management, Governance Risk Management and Compliance, Regulatory Compliance, Risk Control, Risk Management Framework, Risk Analysis, Data Ethics, Risk Mitigation, Continuous Monitoring, Risk Management, Risk Modeling, Law, Regulation, and Compliance, Enterprise Risk Management (ERM), MLOps (Machine Learning Operations), Governance, Regulatory Requirements, Auditing, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Strategic Planning, Organizational Strategy, Case Studies, Business Planning, Stakeholder Engagement, Resource Allocation, Stakeholder Management, Resource Management, Strategic Leadership, Resource Planning, Business Strategies, Stakeholder Analysis, Business Strategy, Leadership and Management, Strategic Thinking, Systems Thinking, Mitigation, Non-Profit Accounting, Public Administration, Leadership Development
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Email Marketing, Email Automation, Content Performance Analysis, Marketing Automation, AI Personalization, Email Security, Dashboard, Personalized Campaigns, Data-Driven Marketing, Performance Analysis, Campaign Management, Marketing Analytics, Driving engagement, Direct Marketing, Performance Reporting, Cross-Channel Marketing, Performance Metric, Responsible AI, Copywriting, A/B Testing
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Business Analytics, Risk Analysis, Data-Driven Decision-Making, Business Analysis, Analytics, Analysis, Strategic Decision-Making, Data Analysis, Marketing Analytics, Decision Making, Business Modeling, Trend Analysis, Process Optimization, Risk Modeling, Simulation and Simulation Software, Market Analysis, Microsoft Excel, Unsupervised Learning, Model Optimization, Spreadsheet Software
★ 4.8 (14) · Beginner · Course · 1 - 4 Weeks