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: Rust (Programming Language), Test Case, Memory Management, Development Testing, Software Testing, Data Structures, GitHub, Programming Principles, Package and Software Management, Development Environment, System Programming, Software Documentation
★ 4 (252) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Rmarkdown, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Tidyverse (R Package), Statistical Visualization, R Programming, Data Visualization Software, Statistical Programming, Data Manipulation, Data Analysis Software, Statistical Reporting, Data Analysis, Data Validation, Data Transformation, Code Reusability, Software Installation, Programming Principles, Aesthetics
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Social Network Analysis, Network Analysis, Data Wrangling, Social Sciences, Graph Theory, Data Cleansing, Statistical Visualization, Data Manipulation, Data Visualization, Data Visualization Software, Predictive Analytics
★ 4.7 (248) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Rmarkdown, Stakeholder Communications, Data Ethics, Data Literacy, Data-Driven Decision-Making, Stakeholder Management, Interactive Data Visualization, Data Cleansing, Tableau Software, Spreadsheet Software, Data Validation, Data Visualization Software, R (Software), Data Integrity, Data Collection, Case Studies, Interviewing Skills
★ 4.7 (331) · Beginner · Professional Certificate · 3 - 6 Months

University of London
Skills you'll gain: Research Methodologies, Research Design, Research, Research Reports, Qualitative Research, Ethical Standards And Conduct, Data Collection
★ 4.7 (9K) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Autoencoders, Generative AI, Tensorflow, Generative Model Architectures, Model Training, Image Analysis, Transfer Learning, Deep Learning, Convolutional Neural Networks, Artificial Neural Networks, Data Synthesis
★ 4.9 (316) · Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Workforce Management, People Analytics, Big Data, HR Tech, Applied Machine Learning, Workforce Planning, Data Mining, Data-Driven Decision-Making, Human Resource Strategy, Human Resource Management, Deep Learning, Human Resources Management and Planning, Data Strategy, Workforce Development, Digital Transformation, Machine Learning Methods, Data Engineering, Human Resources, Analytics, Data Science
★ 4.3 (84) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Advanced Mathematics, Engineering Analysis, Applied Mathematics, Mathematical Theory & Analysis, Geometry
★ 4.7 (180) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Application Security, Security Controls, Cybersecurity, Security Awareness, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Security Management, Computer Security Awareness Training, Cyber Security Policies, Authorization (Computing), Threat Management, Firewall, Authentications, Identity and Access Management
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: AI literacy, Prompt Engineering Tools
★ 4.6 (76) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Leadership and Management, AI Enablement, Business Leadership, Strategic Leadership, Content Creation, Market Opportunities, AI Integrations, Business Transformation, New Business Development, Content Development and Management
★ 4.7 (308) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Evaluation, Computer Vision, Convolutional Neural Networks, Google Cloud Platform, Tensorflow, Image Analysis, Model Optimization, Model Training, Applied Machine Learning, Transfer Learning, Model Deployment, AI Workflows, Artificial Neural Networks, Deep Learning, Fine-tuning, Machine Learning Methods, Data Preprocessing
★ 4.6 (549) · Advanced · Course · 1 - 3 Months