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: Star Schema, Data Infrastructure, Data Governance, Data Modeling, Data Strategy, Data Architecture, Data Migration, Cloud Management, Database Design, Correlation Analysis, Stored Procedure, Data Pipelines, Infrastructure as Code (IaC), Data Validation, Disaster Recovery, Role-Based Access Control (RBAC), Compliance Auditing, CI/CD, Resource Management, Performance Management
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, Feature Engineering, Data Ethics, Exploratory Data Analysis, Tableau Software, Interactive Data Visualization, Data-Driven Decision-Making, Data Visualization Software, Data Analysis, Analytical Skills, Analytics, Data Cleansing, Data Preprocessing, Data Wrangling, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Data Visualization Software, Interactive Data Visualization, Code Reusability, Application Development, User Interface (UI) Design, Application Design, Animation and Game Design, Web Content Accessibility Guidelines
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Excel Formulas, Data Validation, Microsoft Excel, Accounting and Finance Software, Standard Accounting Practices, Spreadsheet Software, Data Quality, Data Maintenance, Data Integrity
Beginner · 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
★ 2.8 (6) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Precision Medicine, Clinical Trials, Data-Driven Decision-Making, Analysis, Decision Intelligence, Business Analytics, Data Science, Decision Making, Clinical Research, Regression Analysis, Graphing, Health Policy, Random Forest Algorithm, Medical Science and Research, Estimation, Treatment Planning, A/B Testing, Machine Learning, Online Advertising
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Model Evaluation, Feature Engineering, Data Preprocessing, Statistical Analysis, Forecasting, Regression Analysis, Python Programming, Data Analysis, Predictive Modeling, Data Science, Data Transformation
★ 4.5 (43) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, Fraud detection, Generative Model Architectures, Keras (Neural Network Library), Tensorflow, Data Preprocessing, Deep Learning, Dimensionality Reduction, Data Visualization, Model Training, Data Synthesis, Python Programming
★ 4.1 (9) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Theoretical Computer Science, Software Development, Data Structures, Computer Programming, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, MLOps (Machine Learning Operations), Data Science, Machine Learning, Prompt Engineering Tools, Model Evaluation, Applied Machine Learning, Data Store, AI Workflows, Apache Spark, Data Strategy, Data Import/Export, Azure Synapse Analytics, Cloud Computing, Fine-tuning, Data Pipelines, Continuous Monitoring, Data Preprocessing, Scalability, Development Environment
Intermediate · Specialization · 1 - 3 Months

Sage Publications
Skills you'll gain: Statistical Analysis, People Analytics, Marketing Analytics, Data Ethics, Business Analytics, Data Analysis, Statistical Methods, Analytical Skills, Data Storytelling, Analysis, General Data Protection Regulation (GDPR), Statistics, Operational Analysis, Data Literacy, Data-Driven Decision-Making, Financial Analysis, Business Strategy, Data Management, Organizational Strategy, Data Collection
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Decision Support Systems, Database Design, Relational Databases, Database Management, Database Theory, Database Systems, Database Development, Database Management Systems, SQL, Descriptive Statistics, Database Architecture and Administration, Statistics, Statistical Reporting, Statistical Analysis, Business Intelligence, Microsoft Excel, Data Processing, Extract, Transform, Load, Business Analytics, Data Manipulation
★ 4.5 (103) · Beginner · Course · 1 - 4 Weeks