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.

Johns Hopkins University
Skills you'll gain: Employee Onboarding, Team Motivation, Interviewing Skills, New Hire Orientations, Organizational Leadership, Team Management, Team Building, Management Training And Development, Organizational Effectiveness, Team Leadership, People Management, Technical Management, Staff Management, Recruitment, Talent Recruitment, Recruitment Strategies, Empowerment, Data Science, Cross-Functional Collaboration
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Data Lakes, Data Architecture, Interactive Data Visualization, Data Engineering, Data Infrastructure, Data Warehousing, Data Processing, Data Access, Query Languages, Data Management, Data Integration, Data Transformation, Data Governance, Data Cleansing, Data Import/Export, Data Storage, Data Sharing, Data Science, Machine Learning
Beginner · Course · 1 - 3 Months

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Query Languages, Databases, Database Management, Analytics, PostgreSQL, Data Manipulation, Data Integration, Data Analysis, Data Processing, Virtual Machines
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Plotly, Exploratory Data Analysis, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Correlation Analysis, Statistical Analysis, Statistical Software, Statistical Programming, Statistical Methods, Probability & Statistics, Statistical Visualization, Analytics, Data Analysis Software, Data Analysis, R (Software), Business Analytics, Data Visualization, R Programming, Statistics, Statistical Inference, Variance Analysis, Descriptive Statistics, Sampling (Statistics)
Build toward a degree
Intermediate · Course · 1 - 3 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
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: File I/O, Data Persistence, Development Environment, Data Access, Data Structures, Data Storage, Python Programming, Program Development, Integrated Development Environments, Scripting Languages, Debugging
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Network Model, Database Design, Big Data, Graphing, Apache Spark, Network Analysis, Analytics, Data Store, Data Management, Query Languages, Computing Platforms, Scalability, Distributed Computing, Algorithms
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Dashboard Creation, Data Visualization, Interactive Data Visualization, Data Transformation, Data Presentation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Multi-Cloud, Data Architecture, Dataflow, Data Management, Regulatory Compliance, Cloud Management, Data Infrastructure, AI Enablement, AI Integrations, Data Science, Strategic Planning
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Cloud-Based Integration, Amazon Web Services, Cloud Development, Data Structures, Secure Coding, Data Processing, Other Programming Languages, Application Programming Interface (API), Data Manipulation, System Programming, Encryption, Python Programming, Command-Line Interface, Software Testing
Intermediate · Course · 1 - 4 Weeks