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.

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Regression Analysis, Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Dimensionality Reduction, Anomaly Detection, Supervised Learning, Analytical Skills, Model Evaluation, Machine Learning Algorithms, Data Analysis, Data Preprocessing, Predictive Modeling, Statistical Analysis, Logistic Regression, Model Training, Statistical Machine Learning, Machine Learning, Data Mining
★ 4.7 (29) · Intermediate · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
★ 4.8 (67) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Database Management Systems, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), Query Languages, PostgreSQL
★ 4.4 (2.4K) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Presentation, Plot (Graphics), Data Storytelling, Tableau Software, Exploratory Data Analysis, Descriptive Statistics, Data Analysis, Descriptive Analytics, Data Mapping
★ 3.9 (20) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Software Visualization, Pseudocode, Computational Thinking, Theoretical Computer Science, Computer Science, Technical Communication, Graph Theory, Communication
★ 4.6 (804) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Integration, Data Validation, Data Quality, Data Cleansing, Data Modeling, Health Informatics, Data Transformation, Health Systems, Data Warehousing, Star Schema, Data Analysis, Analytics, Interoperability, Database Systems, Relational Databases
★ 4.6 (56) · Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: File I/O, Development Environment, Data Access, Data Structures, File Management, Data Storage, Scripting, Python Programming, Integrated Development Environments, Debugging
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Data Storytelling, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
★ 4.7 (43) · Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Data Visualization Software, Plot (Graphics), Package and Software Management, Python Programming, Data Cleansing, Data Mapping, Code Reusability, Software Installation, Data Processing, Data Integration, Data Import/Export, Program Development, Data Structures, Software Documentation
★ 4.6 (549) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Health Information Management, Health Information Management and Medical Records, Medical Records, Data Management, Health Informatics, Clinical Data Management, Electronic Medical Record System, Information Management, Health Systems, Data Governance, Health Care, Health Care Procedure and Regulation, Electronic Medical Record, Medical Privacy, Health Technology, Database Management, Data Mining, Interoperability, Authentications, Predictive Modeling
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Time Series Analysis and Forecasting, SQL
Beginner · Course · 1 - 4 Weeks

Alberta Machine Intelligence Institute
Skills you'll gain: Feature Engineering, Data Preprocessing, Model Evaluation, Data Quality, Model Training, Data Validation, Data Cleansing, Data Transformation, Verification And Validation, Applied Machine Learning, Machine Learning, Responsible AI, Machine Learning Algorithms, Algorithms, Python Programming, Computer Programming, Linear Algebra, Statistical Analysis
★ 4.4 (98) · Intermediate · Course · 1 - 4 Weeks