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: Generative AI, AI Security, Data Management, Data Loss Prevention, Security Awareness
★ 4.6 (23) · Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Data Strategy, Data Ethics, Data Sharing, Customer Data Management, Market Opportunities, Data Governance, Data Management, Data-Driven Decision-Making, Data Literacy, Advertising, Strategic Thinking, Personalized Service, Business Transformation, Innovation, Business Modeling
★ 4.9 (18) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Applied Mathematics, Model Optimization, Estimation, Calculus, Cost Estimation, Mathematical Modeling, Derivatives, Analysis
★ 4.7 (62) · Intermediate · Course · 1 - 3 Months

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, Program Development, Test Driven Development (TDD), Blockchain, Big Data, Data Structures, System Monitoring, Database Theory, Databases
★ 3.5 (92) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Modeling, Data Storytelling, Data Analysis Expressions (DAX), Data Visualization Software, Data Presentation, Data Transformation, Business Intelligence, Dashboard, Microsoft Excel, Dashboard Creation, Interactive Data Visualization, Data Wrangling, Performance Reporting, Data Manipulation, Data Cleansing, Key Performance Indicators (KPIs), Management Reporting, Data Import/Export
★ 4.7 (11) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Data-Driven Decision-Making, Data Strategy, Strategic Decision-Making, Business Analytics, Business Intelligence, Decision Intelligence, Analytics, Data Literacy, Decision Making, Forecasting, Data Science, Operational Analysis, Data Analysis, Market Intelligence, Predictive Analytics, AI Enablement, Artificial Intelligence
★ 4.4 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Distributed Computing, Data Pipelines, Performance Tuning, Scalability, Debugging, Performance Analysis, Data Processing, Analysis, Fine-tuning, System Configuration
Beginner · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Trigonometry, Advanced Mathematics, Mathematical Modeling, Algebra, Derivatives, Geometry
★ 4.8 (121) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Peer Review, Interactive Data Visualization, Data Visualization, Storytelling, Microsoft Excel, Dashboard Creation, Data-Driven Decision-Making, Presentations, Pivot Tables And Charts, Data Visualization Software, Business Intelligence, Constructive Feedback, Financial Reporting, User Feedback, Business, Stakeholder Communications, Case Studies, Decision Making
★ 4.9 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, Amazon Web Services, Apache Kafka, Data Lakes, Real Time Data, Data Management, Cloud Management, Data Pipelines, Data Processing, Big Data, Apache Hadoop, Query Languages, Serverless Computing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Design, Database Management, Data Analysis, Relational Databases, Data Cleansing, Data Transformation, Version Control, Data Manipulation, Query Languages, AI Integrations, Analytics, GitHub, Analysis, Software Versioning, Git (Version Control System), Performance Tuning, Data Integrity
★ 3.9 (23) · Beginner · Course · 1 - 3 Months