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.

O.P. Jindal Global University
Skills you'll gain: Big Data, Apache Spark, Apache Hadoop, Apache Hive, Databases, Analytics, Data Storage Technologies, Data Mining, NoSQL, Applied Machine Learning, Real Time Data, Distributed Computing, SQL, Data Processing, Query Languages, Scripting Languages
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, SQL, Linux Commands, Database Design, Apache Kafka, Apache Airflow, IBM Cognos Analytics, MySQL, Database Administration, Database Management, Bash (Scripting Language), Data Pipelines, Shell Script, Database Architecture and Administration, Data Store, IBM DB2, Data Visualization, Relational Databases, Dashboard
Beginner · Professional Certificate · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Data Pipelines, Data Architecture, Requirements Analysis, Amazon Web Services, Data Warehousing, Data Processing, System Requirements, Performance Tuning, Extract, Transform, Load, Security Controls, Cloud Computing, Data Transformation, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Unsupervised Learning, Data Warehousing, Data Pipelines, Data Processing, Data Integration, Data Modeling, Data Cleansing, Big Data, Supervised Learning, Data Transformation, Machine Learning Methods, Data Quality, Classification And Regression Tree (CART), Anomaly Detection, Data Science, Machine Learning Algorithms, Data Analysis, Data Presentation, Descriptive Analytics
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Program Development, Bioinformatics, Data Storage, Development Testing, Theoretical Computer Science, Computational Thinking, Network Analysis, Programming Principles, File Systems, Computer Programming, Python Programming, C and C++, Java, Rust (Programming Language), Javascript, Software Testing, Debugging
Intermediate · Specialization · 3 - 6 Months

Maven Analytics
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Data Analysis Expressions (DAX), Power BI, Deep Learning, Excel Formulas, Analytics, Google Sheets, Pivot Tables And Charts, Microsoft Excel, Artificial Intelligence, Data Analysis, Python Programming, SQL, Query Languages, Business Intelligence, Data Science, Debugging
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), Cloud Engineering, Serverless Computing, CI/CD, Data Infrastructure, Amazon Web Services, Data Architecture, AWS Identity and Access Management (IAM), AWS CloudFormation, Infrastructure Architecture, Security Controls, Cloud Applications, Amazon CloudWatch, Terraform
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Visualization Software, PySpark, Data Visualization, Snowflake Schema, Data Storytelling, Site Reliability Engineering, Docker (Software), Databricks, Containerization, Interactive Data Visualization, Plotly, Data Pipelines, Matplotlib, Kubernetes, Dashboard, Apache Spark, Apache Hadoop, Big Data, Data Science, Python Programming
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Science, Data Management, Data Analysis, Data-Driven Decision-Making, Project Design, Performance Metric, Software Engineering, Machine Learning, Predictive Modeling, Statistical Inference
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Matplotlib, Network Analysis, Social Network Analysis, Feature Engineering, Data Visualization, Data Visualization Software, Interactive Data Visualization, Scientific Visualization, Pandas (Python Package), Applied Machine Learning, Supervised Learning, Text Mining, Visualization (Computer Graphics), Statistical Visualization, Jupyter, NumPy, Graph Theory, Natural Language Processing, Python Programming, Data Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Big Data, Data Processing, Data Analysis, Analytics, Data Lakes, Data Warehousing, Apache Spark, Data Storage Technologies, Apache Hadoop, Real Time Data, Distributed Computing
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Pandas (Python Package), Jupyter, NumPy, Data Manipulation, Data Science, Data Analysis, Statistical Analysis, Pivot Tables And Charts, Data Cleansing, Data Import/Export, Probability & Statistics, Python Programming, Programming Principles
Intermediate · Course · 1 - 4 Weeks