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 Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Probability & Statistics, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Statistical Hypothesis Testing, Customer Insights, Analytical Skills, Customer Analysis, Customer Retention, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Statistical Visualization, Statistical Modeling, Predictive Analytics, Descriptive Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Presentation, Responsible AI, Prompt Engineering, Graphing, Prompt Patterns, Data Analysis, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Descriptive Analytics, ICD Coding (ICD-9/ICD-10), Health Informatics, Medical Records, Data Mining, Medical Coding, Electronic Medical Record, Patient Flow, Predictive Analytics, Clinical Research, Database Design, Health Information Management, Descriptive Statistics, Applied Machine Learning, Predictive Modeling, Precision Medicine, Data Access, Query Languages, SQL, Interoperability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Data Import/Export, Dashboard, Data Modeling, Spreadsheet Software, Dashboard Creation, Statistical Methods, Business Analytics, Business Intelligence, Statistical Analysis, Data Analysis, Interactive Data Visualization, Data Processing, Data Manipulation, Data-Driven Decision-Making, Data Preprocessing, Case Studies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Data Visualization, Statistical Visualization, Tableau Software, Dashboard Creation, Data Storytelling, Spatial Data Analysis, Dashboard, Time Series Analysis and Forecasting, Advanced Analytics, R Programming, Business Intelligence, Data Mapping, Data Modeling, Performance Reporting, Key Performance Indicators (KPIs), Operational Performance Management, Python Programming, Interaction Design, Requirements Elicitation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Statistical Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Code Reusability, Data Visualization, Statistical Visualization, Programming Principles, Computer Programming, Data Wrangling, Data Manipulation, Data Processing, Data Science, Package and Software Management, Python Programming, Scripting Languages, Computational Logic, Data Structures
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data Flow Diagrams (DFDs), Diagram Design, Data Mapping, Data Pipelines, Data Visualization, Dataflow, Technical Communication, Data Store, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Computer Graphics, Descriptive Statistics, Histogram, Data Analysis, Graphing, Statistical Visualization, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Shiny (R Package), PyTorch (Machine Learning Library), Dashboard, Dashboard Creation, Python Programming, Interactive Data Visualization, Data Visualization, Data Visualization Software, Pandas (Python Package), Image Analysis, Applied Machine Learning, AI Workflows, Machine Learning Methods, Data Science, Computer Programming, Web Frameworks, Application Development, UI Components, Web Development Tools, User Interface (UI)
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Machine Learning Algorithms, Data Literacy, Unsupervised Learning, Data Science, Applied Machine Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Health Care Procedure and Regulation, Health Informatics, Data Wrangling, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Preprocessing, Health Information Management and Medical Records, Health Policy, Data Processing, Data Compilation, Data Analysis, Descriptive Analytics, Database Design, Medical Billing and Coding, Relational Databases, Data Integration, Spreadsheet Software
Intermediate · Course · 1 - 4 Weeks