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: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, Scalability, Data Access, Security Controls, User Provisioning, Security Management, Collaborative Software, Content Management, Data Security, Data Management, Data Governance, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Cryptographic Protocols, Network Protocols, Distributed Computing, Virtual Environment, Data Integrity, Virtual Machines, Algorithms, Verification And Validation
★ 4.6 (7.8K) · Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Process Analysis, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Financial Policy, Financial Regulation
★ 4.6 (3.1K) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Visualization, Data Storytelling, Interactive Data Visualization, People Analytics, Microsoft Excel, Prompt Engineering, Oral Expression, Trend Analysis, AI Workflows, Descriptive Analytics, Persuasive Communication, Stakeholder Communications, AI Integrations, Verification And Validation
Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Text Mining, Portfolio Risk, Applied Machine Learning, Asset Management, Network Analysis, Investments, Data Visualization Software, Machine Learning Methods, Return On Investment, Statistical Machine Learning, Financial Statement Analysis, Financial Data, Market Data, Unstructured Data, Predictive Modeling, Web Scraping, Finance, Risk Management
★ 4.6 (1.8K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Serverless Computing, AWS Kinesis, Amazon Web Services, Amazon Redshift, API Gateway, Cloud Applications, Cloud Security, Cloud-Native Computing, Amazon DynamoDB, Extract, Transform, Load, Cloud Deployment, AWS Identity and Access Management (IAM), Cloud Infrastructure, Event-Driven Programming, Network Routing, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, PySpark, Data Manipulation, Data Preprocessing, Data Processing, Apache Spark, Data Analysis, Applied Machine Learning, Predictive Modeling, Big Data, Machine Learning, Regression Analysis
★ 4.7 (34) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AI Security, LLM Application, Open Web Application Security Project (OWASP), Application Security, Large Language Modeling, Prompt Engineering, Secure Coding, Security Testing, Personally Identifiable Information, Data Loss Prevention, Security Controls, Information Privacy, Authorization (Computing), Supply Chain Management, Data Modeling, Data Governance
Intermediate · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Digital Marketing Tools, Social Media, Social Media Strategy, Social Media Marketing, Google Ads, Digital Marketing, Social Media Management, Social Media Content, Customer Relationship Management, Media Buying, Content Performance Analysis, Digital Marketing Campaigns, Digital Brand Strategy, Digital Analysis, Campaign Management, Marketing Budgets, Digital Media Strategy, Marketing, Paid media, Analytics
★ 4.7 (2.7K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: PostgreSQL, SQL, Query Languages, Data Transformation, Data Manipulation, Database Software, Data Management
★ 4.5 (31) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, ChatGPT, Generative AI, Fine-tuning, Keras (Neural Network Library), Large Language Modeling, Model Training, Model Optimization, Applied Machine Learning, Data Preprocessing, Image Analysis, Data Import/Export, Test Data, Machine Learning, Python Programming, Artificial Neural Networks
★ 4.4 (35) · Intermediate · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: Descriptive Analytics, Business Analytics, Analytics, Predictive Analytics, Operational Analysis, Predictive Modeling, Data Analysis, Operations Management, Demand Planning, Forecasting, Simulation and Simulation Software, Business Modeling, Risk Modeling, Risk Analysis, Supply Chain Planning, Decision Making, Strategic Decision-Making, Decision Tree Learning, Spreadsheet Software, Microsoft Excel
★ 4.7 (5.1K) · Mixed · Course · 1 - 4 Weeks