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 Presentation, Data Visualization, Plot (Graphics), Statistical Visualization, Data-Driven Decision-Making, Dashboard Creation, Data Ethics, R (Software), Data Science, Data Governance, Advanced Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Software, Data Lakes, Database Architecture and Administration, NoSQL, Database Management, Data Strategy, MySQL, Cloud Deployment, Data Security, Machine Learning Methods
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Quantitative Research, R (Software), Scatter Plots, R Programming, Statistical Visualization, Correlation Analysis, Statistical Programming, Descriptive Statistics, Statistical Analysis, Data Analysis, Statistics, Statistical Methods, Exploratory Data Analysis, Data Manipulation, Data Import/Export, Data Structures, Development Environment
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Star Schema, Role-Based Access Control (RBAC), Power BI, Database Design, Data Modeling, Data Analysis Expressions (DAX), Authorization (Computing), Financial Data, Relational Databases, Data Security, Security Controls, Dashboard, Data Access, Dashboard Creation, Model Deployment, Gross Profit, Cloud Deployment, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Persuasive Communication, Storytelling, Presentations, Data Visualization, Driving engagement, Communication, Marketing Analytics, Business Priorities, Data-Driven Decision-Making, User Feedback, Google Analytics, Stakeholder Communications, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metadata Management, Document Management, Vector Databases, Query Languages, Database Management, Data Management, Extract, Transform, Load, Data Maintenance, Data Architecture, LLM Application, Data Pipelines, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Apache Kafka, Multi-Tenant Cloud Environments, Data Pipelines, Real Time Data, Payment Card Industry (PCI) Data Security Standards, Data Governance, Scalability, Performance Tuning, Compliance Management, Data Architecture, Performance Stress Testing, Governance, Apache, Cost Management, System Configuration, Data Storage, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Peer Review, Data Literacy, Research, Quantitative Research, Report Writing, Analytical Skills, Science and Research, Data Analysis, Research Methodologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Entry, Excel Formulas, Microsoft Excel, Data Management, Spreadsheet Software, Microsoft Office, Data Presentation, Productivity Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Seaborn, Plotly, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Analysis, Python Programming, Predictive Modeling, Data Science, Jupyter, Computing Platforms
Intermediate · Guided Project · Less Than 2 Hours

Corporate Finance Institute
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Dashboard, Data Transformation, Dashboard Creation, Data Analysis, Excel Formulas, Data Visualization Software, Data Presentation, Data Manipulation
Beginner · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Research Design, Research Methodologies, Matplotlib, Research, Data Ethics, Plot (Graphics), Data Processing, Data Collection, Seaborn, Text Mining, Data Visualization, Data Science, Economics, Policy, and Social Studies, Data Visualization Software, Pandas (Python Package), JSON, Application Programming Interface (API), Data Analysis, Python Programming
Build toward a degree
Beginner · Course · 1 - 3 Months