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: Responsible AI, Model Deployment, Model Training, Convolutional Neural Networks, Classification Algorithms, Data Analysis, Image Analysis, Data Store, Data Integration, Data Lakes, Model Evaluation, Transfer Learning, Cloud Management, Machine Learning Methods, Machine Learning, Data Processing, Data Preprocessing, Data Pipelines, Data Transformation, Data Manipulation
Intermediate · Professional Certificate · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Social Studies, Social Sciences, Economics, Policy, and Social Studies, Socioeconomics, World History, Sociology, Public History, Trend Analysis, Data Analysis, Big Data, Research, Higher Education, Political Sciences, Analytics, Data Collection, Education and Training, Case Studies
Mixed · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, AI Integrations, Advanced Analytics, Enterprise Architecture, Automation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Scalability, Performance Tuning, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Datamaps, Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, SQL, Data Transformation, Data Pipelines, Query Languages, Data Manipulation, Performance Tuning, Scripting, Database Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Interactive Data Visualization, Dashboard Creation, Data Presentation, Data Storytelling, Dashboard, Data Visualization Software, Data Security, Data Integration, Data Transformation, Data Integrity, Data Import/Export, Data Management, Data Manipulation, Data Modeling, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Design, Transact-SQL, Data Visualization, Microsoft SQL Servers, Power BI, Databases, Database Management, Database Development, Data Presentation, Data Visualization Software, SQL, Data Preprocessing, Data Management, Data Integrity, Data Access, Data Manipulation, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, MySQL Workbench, Database Development, MySQL, Relational Databases, Databases, SQL, Database Management, Query Languages, Data Manipulation, Data Migration
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Data Transformation, Real Time Data, Data Pipelines, Power BI, Data Processing, Data Quality, Live Streaming, Dashboard, Dashboard Creation, PySpark, Business Intelligence, Data Integrity, Data Governance, CI/CD, Data Validation, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Sampling (Statistics), Statistical Hypothesis Testing, Statistical Inference, Statistical Methods, Statistics, Estimation, Statistical Analysis, Probability & Statistics, Data Analysis, Analysis, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data Security, Threat Detection, Cybersecurity, Cyber Attacks, Cyber Risk, Data Management, Security Controls, Cyber Governance, Security Management, Encryption, Security Software, Cryptography, Data Sharing, Security Strategy, Network Security, Data Access, Risk Modeling, Statistical Methods
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Warehousing, Data Modeling, Database Design, SQL, Business Intelligence, Databases, Relational Databases, Database Theory, Database Architecture and Administration, Database Management, Data Integrity, Data Analysis, Query Languages, Data-Driven Decision-Making, Analysis, Diagram Design
Mixed · Course · 1 - 4 Weeks