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 Boulder
Skills you'll gain: Pandas (Python Package), NumPy, Data Structures, Data Import/Export, Data Manipulation, Data Wrangling, Data Cleansing, Statistical Methods, Python Programming, Numerical Analysis, Data Analysis, Descriptive Statistics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Architecture and Administration, Data Maintenance, Operational Databases, Relational Databases, Capacity Planning, Database Management, Capacity Management, Data Integrity, Database Management Systems, Disaster Recovery, Data Validation, Performance Tuning, Problem Management, Demand Planning, Data Access, Forecasting, Resource Planning, Performance Analysis
Advanced · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Marketing Communications, Integrated Marketing Communications, Advertising Campaigns, Advertising, Brand Loyalty, Campaign Planning, Brand Management, Marketing, Branding, Communication Planning, Online Advertising, Brand Strategy, Public Relations, Marketing Planning, Marketing Budgets, Digital Advertising, Social Media Marketing, Digital Marketing, Marketing Management, Communication
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Go (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: MongoDB, Redis, NoSQL, Database Management Systems, Database Systems, Databases, Data Store, Database Theory, Amazon DynamoDB, Relational Databases, Database Design, Apache Kafka, Database Management, SQL, Distributed Computing, Databricks, Big Data, Data Architecture, Data Modeling, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Computational Logic, Theoretical Computer Science, Graph Theory, Spatial Data Analysis, Geospatial Information and Technology, Network Analysis, Logical Reasoning, Computational Thinking, Deductive Reasoning, Algebra, Information Technology, Computer Science
Beginner · Course · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Budget Management, Variance Analysis, Performance Measurement, Management Accounting, Return On Investment, Financial Data, Cost Management, Budgeting, Financial Analysis, Cost Control, Financial Acumen, Cost Accounting, Performance Metric, Operating Budget, Cost Benefit Analysis, Performance Management, Operational Performance Management, General Accounting, Data Analysis, Planning
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cyber Threat Intelligence, Security Management, Internet Of Things, Incident Response, Risk Management, Computer Security Incident Management, Cyber Security Policies, IT Management, Cyber Security Strategy, Cyber Governance, Risk Management Framework, Human Factors (Security), Business Risk Management, Cybersecurity, Incident Management, Threat Management, Security Awareness, Mobile Security, Cyber Attacks, Information Systems Security
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Statistical Hypothesis Testing, Data-Driven Decision-Making, LLM Application, Statistical Methods, Performance Metric, Statistical Inference, Probability & Statistics, Statistical Analysis, Test Script Development, Large Language Modeling, Model Evaluation, Model Optimization, Prompt Engineering, Natural Language Processing, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Data Visualization, User Feedback, Customer experience improvement, Spreadsheet Software, Customer Insights, Customer Analysis, Customer Service, Google Workspace, Trend Analysis, Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL Server Reporting Services, Microsoft SQL Servers, Business Reporting, Business Intelligence, Report Writing, SQL, Interactive Data Visualization, Code Reusability, Data Visualization, Microsoft Development Tools
Mixed · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, A/B Testing, Quantitative Research, Data-Driven Decision-Making, Customer Analysis, Statistical Methods, Market Research, Statistical Software, Statistical Analysis, Statistical Reporting, Business Analytics, Probability & Statistics, Customer Insights, Statistical Inference, Analytics, Data Analysis, Data-Driven Marketing, Descriptive Statistics, Data Analysis Software, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks