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.

Duke University
Skills you'll gain: Intellectual Property, Data Sharing, Multimedia, Music, Video Production, Data Ethics, Data Access, Electronic Media, Law, Regulation, and Compliance, Photography
★ 4.6 (439) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Investment Management, Wealth Management, Asset Management, Investments, FinTech, Financial Trading, Portfolio Management, Market Data, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Financial Services, Big Data, Financial Market, Artificial Neural Networks, Automation, Finance, Machine Learning Methods, Financial Analysis, Machine Learning
★ 4.7 (422) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Responsible AI, AI powered creativity, Data Ethics, AI literacy, Generative AI, Art History, Artificial Intelligence, Creativity, Image Analysis, Ethical Standards And Conduct, Innovation, Risk Management Framework, Environmental Issue, Design Research, Intellectual Property, Problem Solving, Analysis, Experimentation, Leadership, Collaboration
★ 4.6 (130) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Record Keeping, Regulatory Requirements, Cloud Security, Regulatory Compliance, Data Management, Regulation and Legal Compliance, Data Maintenance, Cloud Computing Architecture, Records Management, Compliance Management, IT Security Architecture, Cloud Management, Cloud Standards, Security Management, Cloud Computing, Cyber Security Policies, Microsoft Azure, Compliance Reporting, Data Security, Threat Management
★ 4.8 (150) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: NIST 800-53, Risk Management Framework, Cyber Risk, Federal Information Security Management Act, Systems Development Life Cycle, Cybersecurity, Continuous Monitoring, Security Management, Cyber Governance, Cyber Security Strategy, Security Controls, Infrastructure Security, Cyber Security Assessment, Incident Response, Authorization (Computing), Security Requirements Analysis, Cyber Security Policies, Information Assurance, Information Systems Security, Information Privacy
★ 4.4 (228) · Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Oil and Gas, Petroleum Industry, Hazard Analysis, Safety Standards, Environmental Resource Management, Energy and Utilities, Safety Assurance, Safety Training, Environment and Resource Management, Environmental Regulations, Environment Health And Safety, Environmental Science, Environmental Engineering and Restoration, Big Data, Plant Operations and Management, Process Engineering, Chemical Engineering, Environmental Engineering, Data Management, Environmental Issue
★ 4.6 (229) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Memory Management, Development Environment, Programming Principles, Computer Programming Tools, Computer Programming, Integrated Development Environments, Data Structures, Software Installation
★ 4.6 (163) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Business Reporting, Data Visualization, Interactive Data Visualization, Excel Macros, Data Presentation, Dashboard, Forecasting, Dashboard Creation, Data Analysis, Data Visualization Software, Predictive Modeling, Data Validation, Data Entry, Data Management, Data Security, Data Integrity
★ 4.8 (134) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, PySpark, Apache Spark, Logistic Regression, Predictive Modeling, Applied Machine Learning, Unsupervised Learning, Decision Tree Learning, Predictive Analytics, Advanced Analytics, Machine Learning Methods, Random Forest Algorithm, Model Training, Regression Analysis, Classification Algorithms, Machine Learning Algorithms, Data Pipelines
★ 5 (12) · Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Virtual Private Networks (VPN), Cybersecurity, Security Controls, Multi-Factor Authentication, Authentications, Information Systems Security, Desktop Support, Cyber Security Policies, Network Security, Technical Support and Services, Application Security, Data Security, Information Privacy, Cloud Computing Architecture, Cyber Security Strategy, Servers, Server Side, Cloud Computing, Network Performance Management, Remote Access Systems
★ 4.9 (149) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative Model Architectures, Generative AI, Model Deployment, Model Evaluation, Prompt Engineering, Model Optimization, Cloud Deployment, LLM Application, Retrieval-Augmented Generation, Large Language Modeling
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Correlation Analysis, Regression Analysis, Data Analysis, R Programming, Descriptive Statistics, Descriptive Analytics, Statistical Modeling, R (Software), Exploratory Data Analysis, Model Evaluation, Statistical Analysis, Statistical Methods, Probability & Statistics, Biostatistics, Predictive Modeling, Model Training, Data Manipulation, Data Import/Export
★ 4.8 (530) · Intermediate · Course · 1 - 4 Weeks