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: Sales Development, Customer Engagement, Responsible AI, Lead Generation, Sales Enablement, Generative AI Agents, Sales Management, Customer experience improvement, Sales Prospecting, Productivity Software, Sales, Data Ethics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lean Methodologies, Process Improvement, Lean Six Sigma, Statistical Process Controls, Continuous Improvement Process, Process Optimization, Quality Control, Process Capability, Employee Training, Operational Efficiency, Waste Minimization, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Exploratory Data Analysis, Pandas (Python Package), Data Analysis, Data Science, Python Programming, Jupyter, Matplotlib, Software Installation, Data Manipulation, Scripting, Package and Software Management, Development Environment
Mixed · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: FinTech, Financial Services, Banking, Financial Regulation, Mobile Banking, Emerging Technologies, Technology Strategies, Payment Systems, Blockchain, Business Technologies, Consumer Lending, Entrepreneurship, Big Data, Market Trend, Innovation, Strategic Partnership
Beginner · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Jupyter, Unsupervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Predictive Modeling, Regression Analysis, Data Preprocessing, Machine Learning, Supervised Learning, Feature Engineering, Performance Tuning, Algorithms
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Law, Regulation, and Compliance, Legal Research, Data Ethics, IT Security Architecture, Technology Roadmaps, European History, International Relations, Interoperability, Data Governance, Cybersecurity, Data Security, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Mainframe Computing, Operating System Administration, System Programming, Operating Systems, Unix Commands, Data Management, File Systems, Data Storage, File Management
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Loans, Lending and Underwriting, FinTech, Payment Systems, Key Management, Cryptography, Digital Assets, Market Liquidity, Financial Trading, Transaction Processing, Public Key Infrastructure, Encryption, Asset Protection, Governance
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms, Performance Testing
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Data Analysis Software, Spatial Data Analysis, Image Analysis, Scientific Visualization, Science and Research, Physics, Physical Science, General Science and Research, Scientific Methods, Estimation, Applied Mathematics, Engineering, Scientific, and Technical Instruments
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Probability & Statistics, Probability Distribution, Simulations, Statistical Modeling, Correlation Analysis, Engineering Analysis, Digital Signal Processing, Statistical Analysis, Reliability, Engineering, Spatial Analysis
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Secure Coding, Object Oriented Design, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months