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: Data Structures, Problem Solving, Python Programming, Algorithms, Data Manipulation, Computational Thinking, Programming Principles, Data Processing, Data Dictionary, Computer Programming, Operations, Data Analysis, Analysis, Arithmetic
Mixed · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Data Visualization, Data Science, Pandas (Python Package), Data Analysis, Python Programming, Public Policies, Jupyter, Natural Language Processing, Programming Principles, Web Applications
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Data Infrastructure, Application Deployment, Databases, SQL, Applied Machine Learning, Database Development, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: SQL, Database Architecture and Administration, Transaction Processing, Database Application, Database Management, Data Access, Relational Databases, Database Development, Data Manipulation, Database Administration, Database Theory, Databases, Data Transformation, Database Management Systems, Data Security, Identity and Access Management, Data Management, Data Integrity, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Business Logic, Data Processing, Java, File Management, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Scalability, Data Transformation, Software Documentation, Software Installation, File Systems
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Metadata Management, Data Manipulation, Data Integration, Application Deployment, Extract, Transform, Load, Data Processing, Data Transformation, Data Access, Context Management, Data Migration, Data Pipelines, Databases, Dataflow
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Database Management Systems, System Design and Implementation, Programming Principles, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Presentation, Data Visualization, Plot (Graphics), Statistical Visualization, Data-Driven Decision-Making, Dashboard Creation, Data Ethics, R (Software), Data Science, Data Governance, Advanced Analytics
Beginner · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Data Cleansing, Document Management, Data Integrity, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, NumPy, Pandas (Python Package), Pivot Tables And Charts, Business Reporting, Data Manipulation, Analytics, Data Processing, Data Wrangling, Business Analytics, Data Cleansing, Performance Analysis, Data Analysis, Numerical Analysis, Data Transformation, Analytical Skills, Data Management, Algebra, Linear Algebra, Decision Making
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Presentation, Data Storytelling, Data Wrangling, Plot (Graphics), Tidyverse (R Package), Descriptive Statistics, Data Cleansing, Data Manipulation, Data Preprocessing, Scatter Plots, Histogram, Data Science
Beginner · Course · 1 - 3 Months