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: Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Seaborn, Tableau Software, Statistical Visualization, Dashboard, Matplotlib, Dashboard Creation, Plot (Graphics), Heat Maps, Scatter Plots, Histogram, Data Mapping, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Database Development, Database Design, PostgreSQL, SQL, Query Languages, People Analytics, Data Integrity, Data Validation, Software Installation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Text Mining, Unstructured Data, Health Informatics, Natural Language Processing, Clinical Documentation, Model Evaluation, Clinical Informatics, Deep Learning, Model Training, Machine Learning, Medical Terminology, Artificial Neural Networks, Python Programming, Computer Programming, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Go (Programming Language), Package and Software Management, Data Storage, Programming Principles, Code Reusability, Program Development, Other Programming Languages
★ 4.4 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: PostgreSQL, Relational Databases, Database Design, Database Development, Database Management, SQL, Database Management Systems, Data Integrity, Query Languages, Business Intelligence, People Analytics, Data Analysis, Transaction Processing, Data Manipulation, Data Validation, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Predictive Modeling, Data Preprocessing, Data Visualization, Plot (Graphics), Predictive Analytics, Statistical Visualization, Model Training, Model Evaluation, Machine Learning Software, Machine Learning Methods, Object Oriented Design, Data Wrangling, Game Design, Data Science, Data Import/Export, Development Environment
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Disaster Recovery, Data Storage Technologies, Remote Access Systems, Performance Tuning, Linux Administration, Data Storage, Systems Administration, Cloud Storage, Red Hat Enterprise Linux, File Systems, File Management, Information Management, Software Installation, Data Access, Data Loss Prevention, Servers, System Monitoring, Data Management, Data Integrity, Security Controls
★ 5 (14) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Flutter (Software), Mobile Development, Cross Platform Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Application Frameworks, Development Environment
Beginner · Project · Less Than 2 Hours

Howard University
Skills you'll gain: Data Wrangling, Regression Analysis, Data Manipulation, Dimensionality Reduction, Data Science, Python Programming, Data Preprocessing, Predictive Modeling, Statistical Modeling, Linear Algebra, Predictive Analytics, Model Training, Unsupervised Learning, Model Evaluation
★ 4.4 (8) · Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Business Transformation, Data Strategy, Strategic Decision-Making, Digital Transformation, Storytelling, Presentations, Proposal Writing, Data Literacy, Persuasive Communication, Analytics, Data Visualization, Customer Insights, Microsoft PowerPoint, Influencing, Data Science, Customer Engagement, Stakeholder Engagement
★ 5 (10) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Data Security, Google Cloud Platform, Cloud Computing, Data Loss Prevention, Cloud Management, Personally Identifiable Information, Cloud API, Node.JS
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Pandas (Python Package), Web Scraping, Python Programming, Jupyter, Image Analysis, Text Mining, Data Manipulation, Computer Vision, Data Analysis, Natural Language Processing, Data Visualization Software, Data Science, Unstructured Data
Intermediate · Course · 1 - 4 Weeks