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, Matplotlib, Data Processing, Plot (Graphics), Data Storytelling, Pivot Tables And Charts, Data Visualization Software, Data Analysis, Data Structures, Heat Maps, Data Manipulation, Pandas (Python Package), NumPy, Data Transformation, Numerical Analysis, Exploratory Data Analysis, Data Cleansing, Data Mapping, Data Wrangling, Python Programming
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Matplotlib, Data Analysis, Pandas (Python Package), Plot (Graphics), Data Visualization, Data Science, Data Cleansing, Pivot Tables And Charts, Data Visualization Software, Data Processing, Data Wrangling, Data Integration, Data Preprocessing, Data Manipulation, Scatter Plots, NumPy, Exploratory Data Analysis, Data Import/Export, Histogram, Python Programming
Beginner · 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

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

Microsoft
Skills you'll gain: Data Lakes, Data Warehousing, Data Architecture, Star Schema, Microsoft Azure, Extract, Transform, Load, Transaction Processing, Transact-SQL, Data Pipelines, Information Management, Power BI, Operational Databases, Data Storage Technologies, Data Processing, Data Storage, Data Maintenance, Performance Tuning, Data Access, Dependency Analysis, Data Analysis
Advanced · Course · 1 - 3 Months

Stanford Online
Skills you'll gain: Feature Engineering, Data Ethics, Healthcare Ethics, Clinical Research, Clinical Data Management, Health Informatics, Clinical Research Ethics, Unstructured Data, Data Mining, Health Information Management, Electronic Medical Record, Data Transformation, Data Wrangling, Data Collection, Data Preprocessing, Health Disparities, Text Mining, Responsible AI, Medical Imaging
Beginner · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Social Network Analysis, Fraud detection, Network Analysis, Network Model, Databases, Analytics, Social Media Analytics, Relational Databases, Query Languages, Database Design, Marketing Analytics, Solution Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Star Schema, Data Modeling, Database Design, Extract, Transform, Load, Database Development, Data Architecture, Data Integration, Data Infrastructure, Database Architecture and Administration, Database Software, Relational Databases, Database Management, Business Intelligence, Database Theory, Performance Tuning, SQL
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Dashboard Creation, Data Visualization Software, Data Visualization, Dashboard, Interactive Data Visualization, Google Cloud Platform
Intermediate · Project · Less Than 2 Hours

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

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Dashboard Creation, Statistical Reporting, Data Wrangling, Dashboard, Data Analysis, Data Cleansing, Plot (Graphics), R (Software), R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Graphic and Visual Design, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Chegg Skills
Skills you'll gain: Data Visualization, Data Presentation, Statistical Visualization, Business Reporting, Data Visualization Software, Data Literacy, Data Storytelling, Plot (Graphics), Business Analytics, Histogram, Scatter Plots, Microsoft Excel, Data-Driven Decision-Making, Trend Analysis, Graphing, Descriptive Statistics, Data Analysis, Business Communication, Decision Making, Problem Solving
Beginner · Course · 1 - 4 Weeks