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.

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Architecture and Administration, Database Administration, Data Management, Relational Databases, Data Warehousing, Database Design, SQL, Transaction Processing, Stored Procedure, Data Security, Transact-SQL, Query Languages, Disaster Recovery, Data Storage Technologies, Encryption, Security Controls, Server Side, Data Encryption Standard
Mixed · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Data Storage Technologies, Remote Access Systems, Performance Tuning, Linux Administration, Data Storage, Systems Administration, Cloud Storage, Red Hat Enterprise Linux, File Systems, File Management, Information Management, Software Installation, Data Access, Data Loss Prevention, Servers, System Monitoring, Data Management, Data Integrity, Security Controls
★ 5 (14) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Predictive Modeling, Data Preprocessing, Data Visualization, Plot (Graphics), Predictive Analytics, Statistical Visualization, Model Training, Model Evaluation, Machine Learning Software, Machine Learning Methods, Object Oriented Design, Data Wrangling, Game Design, Data Science, Data Import/Export, Development Environment
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Analytical Skills, Analysis, Analytics, Data Maintenance, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kotlin, Maintainability, Application Development, Software Documentation, Programming Principles, Program Development, Data Validation, Computational Logic
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Pipelines, Data Processing, Google Cloud Platform, Data Warehousing, Data Maintenance, Data Storage Technologies, Data Storage, Extract, Transform, Load, Cloud Engineering, Data Infrastructure, Data Analysis, Data Architecture, Data Preprocessing, Automation, Data Security
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Loss Prevention, AI Security, Gemini, Google Gemini, Generative AI, Personally Identifiable Information, Cloud API, Jupyter, Responsible AI, Google Cloud Platform, Cloud Security
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: MySQL, Google Cloud Platform, Data Mining, Microsoft SQL Servers, Cloud API, PostgreSQL, Metadata Management, Cloud Management
★ 4.8 (12) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Seaborn, Tableau Software, Statistical Visualization, Dashboard, Matplotlib, Dashboard Creation, Plot (Graphics), Heat Maps, Scatter Plots, Histogram, Data Mapping, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Web Scraping, Python Programming, Jupyter, Image Analysis, Text Mining, Data Manipulation, Computer Vision, Data Analysis, Natural Language Processing, Data Visualization Software, Data Science, Unstructured Data
Intermediate · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Data Wrangling, Regression Analysis, Data Manipulation, Dimensionality Reduction, Data Science, Python Programming, Data Preprocessing, Predictive Modeling, Statistical Modeling, Linear Algebra, Predictive Analytics, Model Training, Unsupervised Learning, Model Evaluation
★ 4.4 (8) · Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Data Pipelines, Apache Kafka, Operational Databases, Continuous Monitoring, Real Time Data, Data Warehousing, CI/CD, Software Versioning, Continuous Deployment, System Monitoring, Continuous Integration, Data Validation, Automation, Warehouse Management, Automation Engineering
Intermediate · Course · 1 - 4 Weeks