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 Storytelling, Data Visualization, Tidyverse (R Package), Data Wrangling, Data Preprocessing, Scatter Plots, Data Cleansing
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Cleansing, Data Storage, Data Integrity
★ 4.6 (49) · Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Data Preprocessing, Data Pipelines, Java Programming, Java, Data Processing, Feature Engineering, Data Import/Export, Data Cleansing, Data Quality, Model Training, Data Transformation, Data Validation, Data Integrity, Data Access, Continuous Monitoring, Apache Maven, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Systems, Software Architecture, Distributed Computing, Data Architecture, Microservices, Software Development, Transaction Processing, Test Driven Development (TDD), Blockchain, Big Data, Data Structures, System Monitoring, Software Testing, Databases
★ 3.5 (92) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, AI Integrations, Amazon Web Services, AI Security, AI Enablement, DevOps, IT Automation, Devops Tools, AI Workflows, AWS CloudFormation, AI literacy, Vulnerability Scanning, Artificial Intelligence, Secure Coding, Generative AI Agents, Generative AI, Application Security, Responsible AI, Extract, Transform, Load, Building Codes
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, SQL, Apache Airflow, Extract, Transform, Load, JSON, Pandas (Python Package), Data Manipulation, Data Warehousing, Database Design, Star Schema, Query Languages, Data Transformation, Performance Tuning, Real Time Data, Big Data, Data Validation, Performance Analysis, Data Quality, Verification And Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Histogram, Interactive Data Visualization, Scatter Plots, Plot (Graphics), Data Visualization, Data Analysis, Python Programming
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Data Mining, Exploratory Data Analysis, Model Evaluation, Dimensionality Reduction, Data Preprocessing, Data Cleansing, Data Transformation, Data-Driven Decision-Making, Predictive Analytics, Forecasting, Data Analysis, Classification Algorithms, Data Visualization Software, Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Pandas (Python Package), Pivot Tables And Charts, Jupyter, Microsoft Excel, Data Analysis, Data Manipulation, Data Wrangling, Data Access, Programming Principles, Python Programming, Data Structures, Development Environment, Scripting, Package and Software Management, Software Installation, Object Oriented Programming (OOP)
★ 4.7 (30) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Relational Databases, Data Visualization, Data Store, Web Scraping, Database Management, Scatter Plots, Data Manipulation, SQL, JSON, Application Programming Interface (API), Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization, Dashboard Creation, Business Intelligence, Interactive Data Visualization, Data Presentation, Business Intelligence Software, Presentations, Data Storytelling, Business Analytics, Data Visualization Software, Data Analysis, Advanced Analytics, Revenue Forecasting, Trend Analysis, Spatial Data Analysis, Forecasting, Data Cleansing, Data Preprocessing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Data Presentation, Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Exploratory Data Analysis, Analytical Skills, Data Wrangling, Case Studies, Data Manipulation, Data Cleansing, Python Programming, Data Import/Export, Promotional Strategies
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours