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.

Rice University
Skills you'll gain: Presentations, Technical Communication, Verbal Communication Skills, Executive Presence, Public Speaking, Engineering Documentation, Business Communication, Concision, Crisis Management, Scientific Visualization, Persuasive Communication, Interpersonal Communications, Communication, Meeting Facilitation, Electronic Media, Communication Strategies, Intercultural Competence, Report Writing, Writing, Engineering Management
Beginner · Specialization · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Electrical Systems, Differential Equations, Physics, Materials science, Engineering Analysis, Applied Mathematics, Electronic Components, Advanced Mathematics, Scientific Visualization, Visualization (Computer Graphics), Engineering Calculations, Mechanics, Energy and Utilities, Electronics, Mathematical Modeling, Calculus
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Data Persistence, Web Design and Development, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Data Storytelling, Dashboard, Data Presentation, Interactive Data Visualization, Data Visualization, Data Visualization Software, Tableau Software, Data Integration, Geospatial Information and Technology, Network Analysis, Financial Data, Geospatial Mapping, Data Analysis Software, Time Series Analysis and Forecasting
Mixed · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Digital Transformation, Customer experience improvement, Business Transformation, Business Technologies, Business Modeling, Technology Strategies, Data Ethics, AI Personalization, Internet Of Things, Emerging Technologies, Automation, Case Studies, Cloud Computing, Responsible AI, Law, Regulation, and Compliance, Business Strategy, Cybersecurity, Data-Driven Decision-Making, Business Ethics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Innovation, Project Management, AI Product Strategy, Responsible AI, Generative AI, Project Coordination, Cost Reduction, Project Planning, Resource Allocation, Process Improvement, Risk Management, Predictive Analytics
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Google Ads, Digital Advertising, Online Advertising, Advertising, Contextual Advertising, Pay Per Click Advertising, Advertising Campaigns, Paid media, Social Media, Search Engine Marketing, Performance marketing, Marketing, Keyword Research, Search Engine Optimization, Social Media Marketing, Digital Marketing, Social Media Strategy, Social Media Campaigns, Data Ethics, Web Analytics and SEO
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Matplotlib, Plot (Graphics), Exploratory Data Analysis, Text Mining, Model Evaluation, Classification Algorithms, Applied Machine Learning, Data Cleansing, Scikit Learn (Machine Learning Library), Data Preprocessing, Natural Language Processing, Machine Learning, Unstructured Data, Data Analysis, Data Manipulation, Python Programming, Computer Science
Intermediate · Guided Project · Less Than 2 Hours

National Taiwan University
Skills you'll gain: Business Logic, Information Management, Information Technology, Data Structures, Business Operations, Operations Management, Algorithms, Inventory Control, Production Planning, Python Programming, Computer Programming, Decision Making, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Data Preprocessing, Transfer Learning, Convolutional Neural Networks, Medical Imaging, Radiology, Image Analysis, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Statistical Visualization, Data Visualization Software, R Programming, Ggplot2, Plot (Graphics), Statistical Methods, Data Analysis, Unsupervised Learning, Spatial Data Analysis, Dimensionality Reduction, Graphical Tools, Color Theory, Analytics
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Statistical Software, Marketing Analytics, Model Evaluation, Regression Analysis, Statistical Modeling, Data Visualization, Statistical Analysis, Advanced Analytics, Strategic Marketing, Market Analysis, Marketing Effectiveness, Predictive Analytics, Marketing Strategies, Predictive Modeling, Logistic Regression, Customer Insights, Target Market, Statistical Hypothesis Testing, A/B Testing, Variance Analysis
Intermediate · Course · 1 - 4 Weeks