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.

Skills you'll gain: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Help Desk Support, Cybersecurity, Cloud Infrastructure, Cyber Attacks, Information Technology Operations, Hardware Troubleshooting, Data Storage, General Networking, Database Software, Operating Systems, Package and Software Management, Computer Security Awareness Training, Peripheral Devices, Project Management
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Risk Analysis, Computer Security Incident Management, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Data Security, Authentications, Security Testing, Cloud Security, Security Strategy, Threat Management, Endpoint Detection and Response, Incident Management, Risk Management, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: NumPy, Scientific Visualization, Jupyter, Time Series Analysis and Forecasting, Graphing, Data Visualization Software, Data Structures, Python Programming, Numerical Analysis, Data Manipulation, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Statistical Programming, Regression Analysis, Logistic Regression, Statistical Methods, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Predictive Modeling, Model Evaluation, Probability & Statistics, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Descriptive Statistics, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Statistical Analysis, Histogram, Data Literacy, Statistical Visualization, Data Analysis, Graphing, Analytical Skills, Arithmetic
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: MongoDB, Redis, NoSQL, Database Management Systems, Database Systems, Databases, Data Store, Database Theory, Amazon DynamoDB, Relational Databases, Database Design, Apache Kafka, Database Management, SQL, Distributed Computing, Databricks, Big Data, Data Architecture, Data Modeling, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Storytelling, Dashboard, Data Visualization, Dashboard Creation, Data Presentation, Interactive Data Visualization, Infographics, Data Literacy, Tableau Software, Data Visualization Software, Presentations, Storytelling, Data Analysis, Health Informatics, Stakeholder Communications
Mixed · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Data Analysis, Spatial Analysis, NoSQL, Data Modeling, Database Design, Data Store, Databases, Data Storage Technologies, Database Systems, SQL, Data Storage, Query Languages, Relational Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Web Analytics, Marketing Analytics, Conversion Funnel Analysis, Google Ads, Marketing Effectiveness, Web Analytics and SEO, Smart Goals, Data-Driven Marketing, Customer Analysis, Digital Marketing, Customer Insights, Analytics, Goal Setting, Trend Analysis, Campaign Planning, Strategic Marketing, Data Analysis, Performance Metric, Data Integration
Beginner · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Survey Creation, Surveys, Interviewing Skills, Research Design, Data Collection, Qualitative Research, Research, Research Methodologies, Quantitative Research, Peer Review
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Design Thinking, Journey Mapping, Stakeholder Engagement, Innovation, Prototyping, Stakeholder Analysis, Brainstorming, Storytelling, Human Centered Design, Social Impact, Ideation, Creativity, Service Design, Design Research, Problem Solving, Complex Problem Solving, Patient-centered Care, Data Visualization
Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: General Data Protection Regulation (GDPR), Cloud Deployment, Cloud Services, Legal Risk, Cloud Computing, Tax, Tax Laws, Law, Regulation, and Compliance, Intellectual Property, Cloud Security, Personally Identifiable Information, Cloud Computing Architecture, Tax Compliance, Data Security, Cloud Storage, Cloud Platforms, Regulation and Legal Compliance, Information Privacy, Contract Negotiation, Cybersecurity
Beginner · Specialization · 1 - 3 Months