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.

Arizona State University
Skills you'll gain: Intellectual Property, Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Data Security, Storytelling, Content Creation, Cyber Security Strategy, Digital Publishing, Vulnerability Assessments, Non-Verbal Communication, Health Technology, Interpersonal Communications, Communication, Personal Care, Constructive Feedback, Problem Solving, Collaboration, Computer Literacy, Data Literacy
Beginner · Specialization · 3 - 6 Months
University of Glasgow
Skills you'll gain: Model Evaluation, Deep Learning, Descriptive Analytics, Data Ethics, Data Preprocessing, ICD Coding (ICD-9/ICD-10), Federated Learning, Autoencoders, Health Informatics, Medical Records, Data Mining, Medical Coding, Responsible AI, AI Security, Electronic Medical Record, Clinical Informatics, Predictive Modeling, Patient Flow, Predictive Analytics, Machine Learning
★ 4.4 (36) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Information Systems, Database Software, Database Systems, Database Management Systems, Database Design, Information Management, Databases, Diagram Design, Relational Databases, Database Management, Data Management, Software Systems
★ 4.3 (32) · Intermediate · Guided Project · Less Than 2 Hours

University of Cape Town
Skills you'll gain: Biostatistics, Statistical Methods, Statistical Hypothesis Testing, Data Literacy, Probability & Statistics, Diagnostic Tests, Clinical Research, Medical Science and Research, Clinical Trials, Statistical Analysis, Science and Research, Quantitative Research, Statistics, Scientific Methods, Descriptive Statistics, Statistical Inference, Probability, Epidemiology
★ 4.8 (3.7K) · Beginner · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Laboratory Reports, Molecular Biology, Research Reports, Molecular, Cellular, and Microbiology, Biology, R (Software), Correlation Analysis, Informatics, Data Visualization Software, Biotechnology, Scientific Visualization, Network Model, Data Analysis Software, Data Synthesis, Life Sciences, Data Analysis, Microbiology, Analysis
★ 4.7 (2.1K) · Beginner · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Computer Hardware, Programming Principles, Data Storage, Data Storage Technologies, Security Awareness, System Configuration, Data Management, Computer Security Awareness Training, Information Technology, Operating Systems, Networking Hardware, Computer Systems, General Networking, Computer Literacy, Hardware Troubleshooting, Local Area Networks, Information Technology Operations, Computer Science, Business Support Systems, Business Operations
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Problem Solving, Problem Management, Network Troubleshooting, Authorization (Computing), Identity and Access Management, Role-Based Access Control (RBAC), End User Training and Support, Data Access, Content Management Systems, Data Management, Information Technology
Intermediate · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Revenue Management, Hospitality Management, Competitive Analysis, Digital Marketing, Data-Driven Decision-Making, Stakeholder Communications, Forecasting, Budgeting, Demand Generation, Asset Management, Hospitality, Marketing, Revenue Forecasting, Demand Planning, Financial Forecasting, Stakeholder Management, Revenue Cycle Management, Hotels and Accommodations, Hotel Operations, Marketing Channel
★ 4.6 (2.2K) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Storage, Infrastructure As A Service (IaaS), Google Cloud Platform, Cloud Computing Architecture, Infrastructure Architecture, Cloud Computing, Virtual Networking, Network Infrastructure, Data Storage, Cloud Platforms, Virtual Machines, Cloud Services, Cloud Management, IT Infrastructure, Network Architecture, Network Planning And Design, Command-Line Interface, Firewall
★ 4.7 (17K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Data Mining, Business Intelligence Software, Business Analytics, Data Analysis, Statistical Visualization, Data Management, Data Store, Data Collection, Data Visualization, Analytics, Data Warehousing, Data Wrangling, Extract, Transform, Load, Business Analysis Tools, Statistical Analysis, Business Technologies, Business Analysis, Data Visualization Software
★ 4.7 (424) · Beginner · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Qualitative Research, Proposal Development, Market Research, Research Reports, Data Collection, Research Design, Surveys, Research Methodologies, Analytics, Proposal Writing, Data Analysis, Digital Brand Strategy, Statistical Hypothesis Testing, Survey Creation, Digital Analysis, Statistical Analysis, Correlation Analysis, Business Research, Report Writing, Science and Research
★ 4.7 (960) · 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