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.

University of Pennsylvania
Skills you'll gain: People Analytics, HR Tech, Human Resource Management, Human Resources Management and Planning, Responsible AI, Human Resources, AI Enablement, Data Ethics, Data-Driven Decision-Making, Artificial Intelligence, Employee Engagement, Machine Learning, Employee Retention, Applied Machine Learning, Machine Learning Methods, Blockchain, Predictive Modeling, Decision Making
★ 4.7 (334) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Cascading Style Sheets (CSS), JSON, Hypertext Markup Language (HTML), User Experience Design, Command-Line Interface, Design Research, Javascript, Unix Shell, Usability, User Centered Design, Debugging, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, User Interface and User Experience (UI/UX) Design, UI Components, Mobile Development Tools, JavaScript Frameworks, Code Reusability
★ 4.7 (24K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Social Media Management, Social Media Content, Social Media, Social Media Marketing, Target Audience, Social Media Campaigns, Paid media, Social Media Strategy, Customer Analysis, Content Creation, Marketing Effectiveness, Persona Development, Marketing Analytics, Advertising Campaigns, Social Media Analytics, Instagram, Presentations, Digital Marketing, Brand Management
★ 4.8 (23K) · Beginner · Professional Certificate · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Statistical Methods, Model Evaluation, Markov Model, Statistical Software, Sampling (Statistics), Mathematical Modeling, Regression Analysis, R Programming, Simulations, Statistical Inference, Probability Distribution
★ 4.8 (497) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, PyTorch (Machine Learning Library), Generative Model Architectures, Image Analysis, Responsible AI, Data Ethics, Model Training, Image Quality, Information Privacy, Data Synthesis
★ 4.8 (548) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Fine-tuning, Applied Machine Learning, Model Training, Deep Learning, Model Optimization, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics)
★ 4.7 (535) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Health Informatics, Health Technology, Telehealth, Interoperability, Clinical Informatics, Informatics, Electronic Medical Record, Health Information Management, Community Health, Healthcare Ethics, Data Sharing, Dental Informatics, Public Health, Data Ethics, Data Visualization, Medical Terminology, Graph Theory
★ 4.4 (314) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), Data Import/Export, Package and Software Management, R Programming, Data Structures, Software Installation, Data Analysis Software, Data Analysis, Data Science
★ 4.3 (387) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Site Reliability Engineering, Kubernetes, Google Cloud Platform, Cloud Infrastructure, Prompt Engineering, Application Deployment, Identity and Access Management, Prompt Engineering Tools, Cloud Deployment, Infrastructure As A Service (IaaS), Prompt Patterns, CI/CD, Containerization, Continuous Delivery, Dashboard Creation, Safety Culture, Culture Transformation, Problem Management, Data Import/Export, Data Access
★ 4.7 (55K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Model Deployment, Decision Tree Learning, Applied Machine Learning, Predictive Modeling, Machine Learning Software, Microsoft Azure, No-Code Development, Machine Learning, Data Preprocessing, Predictive Analytics, Model Training, Cloud Deployment, Feature Engineering, Machine Learning Algorithms, Model Evaluation, Data Science, Data Analysis, Classification Algorithms
★ 4.5 (834) · Beginner · Guided Project · Less Than 2 Hours

New York University
Skills you'll gain: Supervised Learning, Machine Learning Methods, Model Evaluation, Applied Machine Learning, Statistical Machine Learning, Machine Learning, Statistical Methods, Artificial Neural Networks, Statistical Modeling, Predictive Modeling, Model Training, Scikit Learn (Machine Learning Library), Regression Analysis, Deep Learning, Tensorflow, Logistic Regression, Jupyter, Reinforcement Learning
★ 3.8 (683) · Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Apple iOS, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Swift Programming, User Interface (UI), Apple Xcode, Unix Commands, Persona (User Experience), Mobile Development, Javascript
★ 4.6 (8.8K) · Beginner · Professional Certificate · 3 - 6 Months