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 of Virginia Darden School Foundation
Skills you'll gain: Digital Transformation, Business Transformation, Digital Analysis, Business Technologies, Emerging Technologies, Organizational Development, Performance Improvement, Cloud Infrastructure, Data Infrastructure, Case Studies, Cloud Storage, Cloud Computing, HR Tech, Data Storage Technologies, Cloud Platforms, Cybersecurity, Data Integrity
★ 4.7 (193) · Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Financial Modeling, Risk Analysis, Financial Analysis, Finance, Financial Data, Financial Forecasting, Corporate Finance, Financial Statement Analysis, Decision Making, Financial Statements, Financial Planning, Capital Budgeting, Financial Accounting, Analysis, Risk Management, Cash Flow Forecasting, Cash Flows
★ 4.9 (211) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Deep Learning, Convolutional Neural Networks, Image Analysis, Keras (Neural Network Library), Model Training, Tensorflow, Network Architecture, Artificial Intelligence, Model Optimization, Machine Learning, Linear Algebra
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: React Native, Mobile Development, GitHub, User Interface and User Experience (UI/UX) Design, Git (Version Control System), UI/UX Strategy, Version Control, Wireframing, UI Components, React.js, User Flows, Data Store, Data Access, Development Environment, Data Persistence, SQL
★ 4.8 (47) · Intermediate · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Data Collection, Data Visualization, Data Presentation, Data-Driven Decision-Making, Microsoft Excel, Spreadsheet Software, Data Visualization Software, Project Management, Data Analysis, Compensation and Benefits, Business Analytics, Analytics, Google Sheets, Project Design, Timelines, Data Cleansing, Data Integrity, Data Preprocessing, Agile Methodology, Employee Surveys
★ 4.4 (20) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Fine-tuning, Natural Language Processing, Model Training, Data Wrangling, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: General Data Protection Regulation (GDPR), Case Law, Information Privacy, Court Systems, Law, Regulation, and Compliance, European History, Ancient History, Data Security, Regulation and Legal Compliance, Data Sharing
★ 4.4 (98) · Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Systems Architecture, Hardware Architecture, Microarchitecture, Data Structures, Peripheral Devices, Memory Management, Computational Logic
★ 4.1 (135) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Competitive Analysis, Market Research, Market Analysis, Customer Analysis, Competitive Intelligence, Responsible AI, Generative AI, Market Intelligence, Marketing Analytics, Market Opportunities, Customer Insights, Market Trend, Persona Development, Prompt Patterns, Trend Analysis, Analytics, Data Analysis, Data Synthesis, Data Ethics
★ 4.6 (37) · Intermediate · Course · 1 - 4 Weeks
Emory University
Skills you'll gain: Customer Analysis, Statistical Analysis, Target Market, Marketing Analytics, Market Analysis, Customer Insights, Market Research, Data Analysis, Data Analysis Software, Strategic Marketing, Business Research, Correlation Analysis, Marketing, Marketing Strategies, Exploratory Data Analysis, Data-Driven Decision-Making, Branding, Marketing Strategy and Techniques, Consumer Behaviour, Model Evaluation
★ 4.5 (124) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounts Payable and Receivable, Accounts Payable, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Cash Flow Forecasting, Month End Closing, Balancing (Ledger/Billing), Payroll Tax, Financial Statements, Process Analysis, Audit Working Papers, Accounting, Accounting Software, Reconciliation, Invoicing, General Ledger, Microsoft Excel, Payroll Processing, Internal Auditing, Variance Analysis
★ 3 (13) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Convolutional Neural Networks, Model Optimization, Model Evaluation, Keras (Neural Network Library), Image Analysis, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Computer Vision, Model Training, Dimensionality Reduction, PyTorch (Machine Learning Library), Tensorflow, Machine Learning Methods, Performance Tuning, Artificial Intelligence, Bayesian Statistics
Intermediate · Course · 1 - 4 Weeks