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 Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Machine Learning Methods, Deep Learning, Machine Learning, Machine Learning Algorithms, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Program Development
Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Multimodal Prompts, Embeddings, Large Language Modeling, Generative AI, Data Processing, Data Pipelines, Image Analysis, Prompt Engineering, Unstructured Data, Natural Language Processing, Text Mining, Computer Vision, Vector Databases, Data Capture, Sampling (Statistics)
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pivot Tables And Charts, Dashboard, Dashboard Creation, Microsoft Excel, Financial Modeling, Excel Macros, Data Presentation, Interactive Data Visualization, Data Import/Export, Data Visualization, Spreadsheet Software, Data Modeling, Data Literacy, Forecasting, Workflow Management, Statistical Methods, Excel Formulas, Simulation and Simulation Software, Data Storytelling, Data Analysis
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Large Language Modeling, Embeddings, Data Processing, Data Store, Data Access, Vector Databases, Prompt Engineering, Document Management
Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Data Transformation, Data Processing, Logistic Regression
Mixed · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Tableau Software, Data Visualization Software, Business Analytics, Business Intelligence, Data Preprocessing, Data Integration, Data Cleansing, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Rmarkdown, Knitr, Data Visualization, Data Validation, Statistical Hypothesis Testing, Data Presentation, Dashboard, Data Synthesis, Dashboard Creation, Regression Analysis, Power BI, A/B Testing, Data Transformation, Market Research, Statistical Analysis, R Programming, Business Intelligence, Microsoft Excel, Surveys
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Security, Data Presentation, User Centered Design, Technical Communication, Cybersecurity, Healthcare Ethics, Cyber Attacks, Usability, Statistical Reporting, Computer Security, Data Storytelling, Ethical Standards And Conduct, Medical Science and Research, Information Privacy, Analysis
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Multi-Cloud, Data Architecture, Dataflow, Data Management, Regulatory Compliance, Law, Regulation, and Compliance, Compliance Management, Cloud Management, Data Infrastructure, Regulatory Requirements, Data Strategy, AI Integrations, Data Science, Strategic Planning
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Data Strategy, Data-Driven Decision-Making, Big Data, Data Science, NoSQL, Data Modeling, Data Storage Technologies, Analytics, Business Analytics, Applied Machine Learning, Machine Learning Methods, Data Analysis, Risking, Data Ethics, Machine Learning, Unsupervised Learning, Regression Analysis, Descriptive Analytics, Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Employee Onboarding, Team Motivation, Interviewing Skills, New Hire Orientations, Organizational Leadership, Team Management, Team Performance Management, Team Building, Organizational Effectiveness, Team Leadership, People Management, Technical Management, Staff Management, Recruitment, Full Cycle Recruitment, Talent Recruitment, Recruitment Strategies, Empowerment, Data Science, Cross-Functional Collaboration
Mixed · Course · 1 - 4 Weeks