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.

Imperial College London
Skills you'll gain: Logistic Regression, Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Model Evaluation, Statistical Methods, R Programming, Statistical Modeling, Predictive Modeling, Statistical Analysis, Biostatistics, Statistical Software, Predictive Analytics, Probability & Statistics, R (Software), Public Health, Data Preprocessing
★ 4.8 (368) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Cryptographic Protocols, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Security Management, Vulnerability Assessments, Risk Management, Network Security, Application Security, Asset Management, Cloud Security, OSI Models
★ 4.7 (303) · Beginner · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Business Analytics, Data Presentation, Analytics, Interactive Data Visualization, Data Literacy, Data Analysis, Business Intelligence, Analytical Skills, Business Analysis, Advanced Analytics, Analysis, Data-Driven Decision-Making, Trend Analysis, Predictive Analytics, Data Strategy, Data Warehousing, Data Science, Workforce Planning, Case Studies
★ 4.6 (282) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Budgeting, Microsoft Excel, Budget Management, Excel Formulas, Spreadsheet Software, Financial Data, Microsoft Office
★ 4.5 (635) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Cloud Storage, Version Control, Encryption, Data Storage, Cloud Security
★ 4.5 (1.3K) · Beginner · Guided Project · Less Than 2 Hours

University of California, Santa Cruz
Skills you'll gain: Responsible AI, Data Ethics, AI literacy, Artificial Intelligence, Artificial Neural Networks, Ethical Standards And Conduct, Machine Learning Methods, Network Model, Generative AI, Deep Learning, Machine Learning, Empathy & Emotional Intelligence, Law, Regulation, and Compliance, Reinforcement Learning, Policy Development
★ 4.6 (464) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Feature Engineering, Supervised Learning, Exploratory Data Analysis, Classification Algorithms, Machine Learning Algorithms, Applied Machine Learning, Model Deployment, Decision Tree Learning, Logistic Regression, Data Analysis, Data Preprocessing, Pandas (Python Package), NumPy
★ 4.4 (17) · Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Dashboard, Dashboard Creation, Tableau Software, Interactive Data Visualization, Data Visualization Software, Data Modeling, Data Visualization, SQL, Data Presentation, E-Commerce, Databases, Performance Reporting, Data Manipulation, Data Storytelling, Data Analysis, Performance Analysis, Relational Databases, Business Intelligence, Data Transformation, Financial Analysis
★ 4.8 (103) · Beginner · Specialization · 3 - 6 Months

University of Amsterdam
Skills you'll gain: Ethical Standards And Conduct, Media and Communications, Motion Arguments, Research, Governance, Journalism, Data Ethics, Advertising
★ 4.8 (592) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Performance Review, HR Tech, Employee Performance Management, Generative AI, AI Personalization, Workforce Development, Organizational Development, Performance Management, Smart Goals, People Analytics, People Development, Human Resource Strategy, Constructive Feedback, Responsible AI, Performance Analysis, Prompt Engineering, Automation, Coaching, Trend Analysis, Analysis
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Product Lifecycle Management, Performance Measurement, Manufacturing Operations, Supply Chain Management, Manufacturing and Production, Supply Chain Planning, Operations Management, Enterprise Resource Planning, Production Planning, Material Requirements Planning, Production Management, Data Integration, Business Process Management, Data Collection, Digital Transformation, Data Security, Data Management, Decision Making
★ 4.6 (643) · Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (765) · Intermediate · Course · 1 - 3 Months