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.

Duke University
Skills you'll gain: Strategic Decision-Making, Dealing With Ambiguity, Performance Metric, Decisiveness, Performance Analysis, Performance Measurement, Adaptability, Customer Demand Planning, Decision Making, Dashboard, Strategic Thinking, Data-Driven Decision-Making, Market Opportunities, Data Strategy, Business Analytics, Data Science, Data Analysis, Operational Efficiency, Risk Management, Change Management
Intermediate · Specialization · 1 - 4 Weeks

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: Javascript, Programming Principles, Computational Logic, Computer Programming, Web Development, Application Development
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Data Manipulation, Data Visualization Software, Data Presentation, Exploratory Data Analysis, Data Management, Google Cloud Platform, Network Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, OpenAI API, Generative AI, Exploratory Data Analysis, Analysis, OpenAI, ChatGPT, Data Analysis, Analytics, Data-Driven Decision-Making, E-Commerce, Data Manipulation, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

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: Plot (Graphics), Pandas (Python Package), Data Visualization, Data Manipulation, Statistical Visualization, Data Processing, Data Import/Export, Regression Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Data Transformation, Real Time Data, Fraud detection, Data Pipelines, Apache Spark, Power BI, PySpark, Performance Tuning, Grafana, Disaster Recovery, Data Architecture, Prometheus (Software), Data Integrity, Scalability, Data Processing, Data Governance, Event-Driven Programming, System Monitoring, Docker (Software)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Spark, Model Evaluation, Data Preprocessing, Keras (Neural Network Library), Transfer Learning, Deep Learning, Model Training, Tensorflow, A/B Testing, Responsible AI, Data Processing, Convolutional Neural Networks, Machine Learning Software, Artificial Neural Networks, Machine Learning Algorithms, Data Cleansing, Model Deployment, Machine Learning, Recurrent Neural Networks (RNNs), Dimensionality Reduction
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Power BI, Statistical Reporting, Financial Data, Dashboard Creation, Dashboard, Statistical Analysis, Business Metrics, R (Software), Data Quality, R Programming, Data Wrangling, Data Preprocessing, Budgeting, Data Manipulation, Data Import/Export, Data Analysis Software, Data Analysis, Data Transformation, Pandas (Python Package)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data-Driven Marketing, Resource Allocation, Customer Insights, Target Market, Customer Relationship Management, Customer Engagement, Analytical Skills, Target Audience, Analytics, Statistical Modeling, Estimation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Web Applications, Microservices, Software Architecture, Software Engineering, System Testing, Data Infrastructure, Software Systems, System Monitoring, Functional Requirement, Application Deployment, Site Reliability Engineering, Middleware, Distributed Computing, Prototyping, Big Data
Build toward a degree
Advanced · Course · 1 - 4 Weeks