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.

Google Cloud
Skills you'll gain: Google Sheets, Query Languages, Spreadsheet Software, Data Manipulation, Google Workspace, Data Transformation, Data Cleansing, Data Management, Data Analysis, Cloud Computing
Intermediate · Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: Data Presentation, Data Storytelling, Data Ethics, SAS (Software), Business Analytics, Dashboard Creation, Data Visualization Software, Dashboard, Analytics, Demand Planning, Probability & Statistics, Data-Driven Decision-Making, Analytical Skills, Business Intelligence, Data Analysis, Forecasting, Trend Analysis, Histogram, Statistical Methods, Business Ethics
★ 4.6 (465) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, Data Pipelines, Data Validation, Extract, Transform, Load, Data Quality, Data Integrity, Data Transformation, Data Modeling, System Monitoring, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Collection, Microsoft Visual Studio, Program Development, C (Programming Language), Programming Principles, Algorithms, Microsoft Development Tools, Integrated Development Environments, Data Storage, Development Environment, Computer Programming, C and C++
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Cleansing, Data Storage, Data Integrity
★ 4.6 (49) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Statistical Methods, Data Presentation, Ad Hoc Reporting, Continuous Monitoring
★ 4.9 (140) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Data Import/Export, Data Analysis, Analytics, Google Cloud Platform, Query Languages, Cloud Computing
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Marketing Analytics, Dashboard Creation, Marketing Budgets, Dashboard, Data-Driven Marketing, Regression Analysis, Marketing Effectiveness, Data-Driven Decision-Making, Statistical Reporting, Data Literacy, Analytics, Statistical Analysis, Statistical Methods, Marketing Strategies, Data Presentation, Data Analysis, Return On Investment, Data Visualization, Data Storytelling, Budgeting
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Tableau Software, Presentations, Storytelling, Technical Communication, Data Analysis, Stakeholder Communications, Spatial Analysis
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Histogram, Data Analysis, Data Presentation, Exploratory Data Analysis, Graphing, Data Visualization Software, Data Literacy, Descriptive Statistics, Statistical Software, Statistics, Research, Psychology
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Exploratory Data Analysis, Data Validation, Data Maintenance, Data Analysis, Data Visualization, Data Analysis Software, Google Cloud Platform
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Plot (Graphics), Data Manipulation, Plotly, Data Visualization, Web Scraping, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Tidyverse (R Package), Data Processing, Data Cleansing, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months