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.

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Music, Music Theory, Performance Tuning, Data Import/Export, Programming Principles, Interoperability, Development Environment, File I/O
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Computer Programming
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft SQL Servers, SQL, Transact-SQL, Databases, Relational Databases, Data Transformation, Data Manipulation, Query Languages, Generative AI, Data Analysis
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Dashboard, Data Transformation, Data Analysis, Excel Formulas, Data Visualization Software, Data Presentation, Data Manipulation, Business Intelligence, Data Cleansing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Mining, Medical Imaging, Image Analysis, Unstructured Data, Health Informatics, Big Data, Health Information Management and Medical Records, Text Mining, Data-Driven Decision-Making, Health Care, Data Ethics, Natural Language Processing, Medical Science and Research
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Healthcare Project Management, Health Technology, Change Control, Health Systems, Informatics, Health Policy, Health Care, Medical Records, Health Care Administration, Healthcare Industry Knowledge, Health Information Management, Clinical Leadership, Decision Support Systems, Solution Design, Health Information Management and Medical Records, IT Management, Electronic Medical Record System, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Record Keeping, Information Management, Data Management, Data Storage Technologies
Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Data Visualization Software, Excel Macros, Analytics, Accounting and Finance Software, Analytical Skills, Pivot Tables And Charts, Accounting Systems, Business Analytics, Microsoft Excel, Data Collection, Data-Driven Decision-Making, Excel Formulas, Data Analysis, Scatter Plots, Predictive Analytics, Data Architecture
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Database Management, SQL, Big Data, Database Systems, Amazon Web Services, Data Management, Amazon S3, Apache Hadoop, Data Storage, Cloud Storage, Performance Tuning, File Systems, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Cloud Management, Data Governance, Performance Tuning, Microsoft Azure, Scalability, Data Management, Cloud Security, Azure Active Directory, Big Data, Data Security
Mixed · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Data Visualization, Data Visualization Software, Statistical Visualization, Data Preprocessing, Anomaly Detection, Heat Maps, Data Analysis, Plotly, Exploratory Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, SAS (Software), Interactive Data Visualization, Exploratory Data Analysis, Trend Analysis, Data Visualization Software, Data Analysis, Data Manipulation, Analysis, Analytics, Dashboard, Business Reporting, Data Transformation, Data Cleansing, Statistical Programming
Mixed · Course · 1 - 4 Weeks