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.

Microsoft
Skills you'll gain: Data Pipelines, Databases, Extract, Transform, Load, Data Lakes, NoSQL, Data Processing, Data Architecture, Azure Synapse Analytics, Data Warehousing, Database Systems, Data Management, Microsoft Azure, Data Transformation, Database Management Systems, Data Integration, Data Governance, Data Storage Technologies, Analytics, Data Storage, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pharmaceuticals, Drug Development, Clinical Research, Clinical Trials, Statistical Analysis, Data Analysis, Statistical Methods, Health Policy, Data Science, Epidemiology, Data Integration, Healthcare Industry Knowledge, Data Quality
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Presentation, Data Storytelling, Presentations, Data Cleansing, Rmarkdown, Data-Driven Decision-Making, Data Validation, Data Ethics, R (Software), Analytical Skills, Interactive Data Visualization, Dashboard, Spreadsheet Software, Ggplot2, SQL, File Management, Dashboard Creation, Data Analysis, Sampling (Statistics), Data Processing
Beginner · Professional Certificate · 3 - 6 Months

Wesleyan University
Skills you'll gain: Regression Analysis, Data Storytelling, Logistic Regression, Classification And Regression Tree (CART), Statistical Hypothesis Testing, Descriptive Statistics, Data Presentation, Statistical Analysis, Statistical Software, Correlation Analysis, Plot (Graphics), Exploratory Data Analysis, Statistical Visualization, Data Manipulation, Decision Tree Learning, Statistical Machine Learning, Data Analysis, Statistical Methods, Machine Learning, Statistics
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Pipelines, Analytical Skills, Data Preprocessing, Ideation, Exploratory Data Analysis, Model Evaluation, Technical Writing, Technical Communication
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Warehousing, Database Design, Data Integration, Extract, Transform, Load, Data Modeling, Star Schema, Relational Databases, Data Architecture, Business Intelligence, SQL, Pivot Tables And Charts, Oracle Databases, PostgreSQL
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Deployment, Extract, Transform, Load, Federated Learning, Model Optimization, Data Pipelines, Image Analysis, Data Import/Export, Tensorflow, Transfer Learning, Convolutional Neural Networks, iOS Development, Apple iOS, Android Development, Data Preprocessing, Model Training, Data Processing, Computer Vision, Fine-tuning, Javascript, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Data Storytelling, Data Visualization Software, Data Presentation, LLM Application, Data Wrangling, Large Language Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infographics, Data Presentation, Interactive Data Visualization, Data Visualization, Generative AI, AI Enablement, Analytics, Artificial Intelligence, Data Visualization Software, Data Analysis, Business Reporting, Data Science
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Generative Model Architectures, Exploratory Data Analysis, Generative Adversarial Networks (GANs), Data Ethics, Feature Engineering, AI literacy, Predictive Modeling, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Data Synthesis, Data Analysis, Data Visualization Software, Augmented and Virtual Reality (AR/VR), Autoencoders, Machine Learning
Intermediate · Specialization · 1 - 3 Months

Technics Publications
Skills you'll gain: Data Modeling, Database Design, Network Model, Data Architecture, Database Development, Data Strategy, Database Software, Database Theory, Databases, Database Application, Database Administration, Relational Databases, Database Systems, Database Management Systems, Data Governance, Database Architecture and Administration, Database Management, Business Analysis, Graph Theory, Business Analytics
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Text Mining, Unstructured Data, Data Analysis, Exploratory Data Analysis, Data Visualization, Data Preprocessing, Data Presentation, Data Visualization Software, Model Evaluation, Natural Language Processing, Technical Writing, Algorithms
Mixed · Course · 1 - 3 Months