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: Intellectual Property, Data Sharing, Multimedia, Music, Video Production, Data Ethics, Data Access, Electronic Media, Law, Regulation, and Compliance, Photography
★ 4.6 (439) · Mixed · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Competitive Intelligence, Competitive Analysis, Data Storytelling, Business Intelligence, Business Analytics, Market Share, Data Analysis, Management Consulting, Business Strategy, Strategic Thinking, Consulting, Market Analysis, Performance Analysis, Performance Measurement, Benchmarking, Key Performance Indicators (KPIs), Business Metrics, Root Cause Analysis, Risk Analysis, Financial Analysis
★ 4.4 (248) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Email Security, Google Workspace, Mobile Security, Security Management, Cloud Security, Application Security, Data Security, Security Controls, Enterprise Application Management, Identity and Access Management, Authentications, Multi-Factor Authentication
★ 4.7 (810) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: ChatGPT, Responsible AI, Technical Consulting, Data Ethics, Consulting, Business Consulting, Generative AI, Business Reporting, Client Services, Business Process Automation, Ethical Standards And Conduct, Data Analysis Software, Data Analysis, Report Writing, Innovation
★ 3.7 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Make.com, Document Management, AI powered creativity, Content Development and Management, Social Media Content, Instagram, ChatGPT, AI Workflows, Prompt Engineering, Content Creation, Social Media Marketing, Google Docs, Social Media, Social Media Management, Social Media Strategy, AI Integrations
Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Social Network Analysis, Network Analysis, Network Model, Graph Theory, Predictive Analytics, Python Programming, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Science, Unsupervised Learning, Exploratory Data Analysis, Probability & Statistics, Machine Learning Algorithms, Applied Machine Learning, Classification And Regression Tree (CART), Data Analysis, Python Programming, Random Forest Algorithm, Dimensionality Reduction, Predictive Modeling, NumPy, Regression Analysis, Statistical Analysis, Data Processing, Deep Learning, Pandas (Python Package), Data Visualization, Data Manipulation
Intermediate · Specialization · 3 - 6 Months
Universitat Autònoma de Barcelona
Skills you'll gain: 3D Modeling, Video Game Development, Game Design, Animation and Game Design, Unity Engine, 3D Assets, Peer Review, User Interface (UI) Design, User Interface (UI), Computer Graphics, Animations, Visualization (Computer Graphics), Software Design Documents, Conceptual Design, Experience Design, Design Elements And Principles, Music, UI Components, Computer Graphic Techniques, Interactive Design
★ 4.4 (919) · Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Computer Vision, Image Quality, Image Analysis, Computer Graphics, 3D Modeling, Photography, Virtual Reality, Visualization (Computer Graphics), Medical Imaging, Artificial Neural Networks, Unsupervised Learning, Graph Theory, Dimensionality Reduction, Mathematical Modeling, Estimation, Machine Learning Algorithms, Color Theory, Algorithms, Automation Engineering, Electronic Components
★ 4.7 (240) · Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Modeling, Data Infrastructure, Real Time Data, Data Management, Database Systems, Data Architecture, Big Data, Data Processing, Database Management Systems, Databases, Unstructured Data, Data Storage Technologies, Apache Hadoop
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Electronics, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Communication Systems, Electronics Engineering, Remote Access Systems, Linux, Digital Communications, Restful API, Electrical Engineering, Web Applications, Telecommunications, Systems Of Measurement, Digital Signal Processing, Data Processing
★ 4.8 (104) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Scatter Plots, Data Analysis, Correlation Analysis, Box Plots, Descriptive Statistics, Pandas (Python Package), Data Visualization, Plot (Graphics), Analysis, Histogram, Statistical Analysis, Python Programming, Software Installation
★ 4.8 (6) · Intermediate · Guided Project · Less Than 2 Hours