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: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Bioinformatics, Image Analysis, Bayesian Statistics, Biostatistics, Data Science, Data-Driven Decision-Making, Data Structures, Statistical Hypothesis Testing, A/B Testing, Reinforcement Learning, Precision Medicine, Statistical Methods, Computer Vision, Algorithms, Statistical Inference, Clinical Trials, Magnetic Resonance Imaging, Program Development, Probability Distribution, Medical Imaging
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Apache Hive, Big Data, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Database Theory, Distributed Computing, Data Processing, Transaction Processing, Business Intelligence, Data Management
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Data Ethics, Social Network Analysis, Data Presentation, Statistical Machine Learning, Statistical Hypothesis Testing, Classification And Regression Tree (CART), Data Storytelling, R (Software), Exploratory Data Analysis, Bayesian Statistics, Data Analysis, Data Visualization, Statistical Visualization, Supervised Learning, Network Analysis, Data Preprocessing, Dimensionality Reduction, Web Scraping, Statistical Modeling, Python Programming
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Dashboard Creation, Predictive Modeling, Data Visualization, Data Presentation, Data-Driven Decision-Making, Interactive Data Visualization, Advanced Analytics, Product Improvement, Business Analytics, AI Enablement, Business Reporting, User Feedback, Presentations, Law, Regulation, and Compliance, Enterprise Security
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Data Pipelines, Distributed Computing, Big Data, Apache Hive, Data Processing, Data Storage, Scikit Learn (Machine Learning Library), Predictive Modeling, Scalability, Data Management, File Systems, Data Science, Data Transformation, Information Technology, Data Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Universidades Anáhuac
Skills you'll gain: Data Cleansing, Database Management, SQL, Databases, Data Quality, Data Visualization Software, Pandas (Python Package), Data Science, Jupyter, Data Manipulation, Web Scraping, Data Collection, Python Programming, Machine Learning
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Excel Formulas, Data Transformation, Data Import/Export, File I/O, Data Wrangling, Extensible Markup Language (XML), Data Manipulation, Visual Basic (Programming Language), Spreadsheet Software, Automation, Microsoft 365, Microsoft Office, Data Science, Query Languages, File Management, Debugging, Performance Improvement, Computer Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AWS SageMaker, AWS CloudFormation, Amazon S3, Serverless Computing, Amazon Web Services, Amazon DynamoDB, Amazon CloudWatch, Cloud Security, Data Security, Amazon Redshift, AWS Kinesis, Data Integration, Cloud Storage, Data Lakes, Data Storage, Business Intelligence Software, Databases, Apache Airflow, Cloud Computing Architecture, Virtual Networking
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Sheets, Data Sharing, Google Cloud Platform, Spreadsheet Software, Big Data, Data Import/Export, Data Analysis, Data Analysis Software, Real Time Data, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Pivot Tables And Charts, Trend Analysis, Financial Data, Microsoft Excel, Data Quality, Data Validation, Spreadsheet Software, Excel Formulas, Strategic Decision-Making, Data Synthesis, Financial Analysis, Analysis, Data Analysis, Data-Driven Decision-Making, Statistical Reporting, Data Analysis Software, Descriptive Statistics, Business Reporting, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Cloud Storage, Amazon Web Services, Data Storage Technologies, Data Storage, Disaster Recovery, Data Store
Beginner · Course · 1 - 4 Weeks