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.

University at Buffalo
Skills you'll gain: Digital Transformation, Data Sharing, Manufacturing Operations, Business Transformation, Data Storage Technologies, Document Management, Product Lifecycle Management, Data Storage, Process Management, Data Strategy, Interoperability, Goal Setting, Knowledge Transfer
★ 4.6 (820) · Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Jupyter, LLM Application, AI Integrations, Model Evaluation, Multimodal Prompts, Health Systems, Health Information Management, Decision Support Systems, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Customer Analysis, Customer Retention, Customer Insights, Strategic Decision-Making, Product Strategy, Data Analysis, Knowledge Transfer, Data-Driven Decision-Making, Advanced Analytics, Unsupervised Learning, Applied Machine Learning, Technical Documentation, Performance Measurement, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Transportation Management, Traffic Flow Optimization, Network Analysis, Operations Research, Systems Analysis, Policy Analysis, Network Model, Operational Analysis, Program Evaluation, Demand Planning, Mathematical Modeling, Econometrics, Markov Model, Feasibility Studies, Economics, Policy, and Social Studies, Cost Benefit Analysis, Statistical Modeling, Social Impact, Decision Making
★ 4.7 (784) · Mixed · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Reporting, Payroll Processing, Payroll Administration, Payroll Tax, Labor Law, Tax Preparation, Labor Compliance, Income Tax, Compensation and Benefits, Tax Compliance, Benefits Administration, Employee Onboarding
★ 4.8 (146) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Responsible AI, Large Language Modeling, Generative Model Architectures, Data Ethics, Model Training, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, AI Security, Machine Learning, AI powered creativity, Applied Machine Learning, Artificial Intelligence, Supervised Learning, AI literacy, LLM Application, Artificial Neural Networks, Unsupervised Learning, Deep Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Email Marketing, Google Ads, Digital Advertising, Paid media, Social Media Analytics, Social Media Marketing, Search Engine Optimization, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Search Engine Marketing, Web Analytics, Online Advertising, Digital Marketing Tools, Marketing, E-Commerce
★ 4.9 (334) · Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Operating Systems, File Systems, Cloud Development, C and C++, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems
★ 3.8 (182) · Advanced · Specialization · 3 - 6 Months

New York Institute of Finance
Skills you'll gain: Credit Risk, Risk Mitigation, Risk Management, Portfolio Risk, Risk Management Framework, Derivatives, Project Risk Management, Risk Analysis, Lending and Underwriting, Business Risk Management, Financial Analysis, Financial Market, Financial Statement Analysis, Portfolio Management, Analysis, Financial Statements, Market Data, Market Trend, Cash Flows, Balance Sheet
★ 4.7 (446) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: NumPy, Scientific Visualization, Jupyter, Time Series Analysis and Forecasting, Graphing, Data Visualization Software, Data Structures, Python Programming, Numerical Analysis, Data Manipulation, Software Installation
Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: General Data Protection Regulation (GDPR), Cloud Deployment, Cloud Services, Legal Risk, Cloud Computing, Tax, Tax Laws, Law, Regulation, and Compliance, Intellectual Property, Cloud Security, Personally Identifiable Information, Cloud Computing Architecture, Tax Compliance, Data Security, Cloud Storage, Cloud Platforms, Regulation and Legal Compliance, Information Privacy, Contract Negotiation, Cybersecurity
★ 4.9 (185) · Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Deep Learning, Artificial Neural Networks, Convolutional Neural Networks, Supervised Learning, Applied Machine Learning, Model Optimization, Machine Learning Methods, Artificial Intelligence, Computer Vision, Recurrent Neural Networks (RNNs), Model Training, Network Architecture, NumPy, Performance Tuning
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks