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.

Tableau Learning Partner
Skills you'll gain: Exploratory Data Analysis, Tableau Software, Data Preprocessing, Plot (Graphics), Data Analysis, Descriptive Statistics, Predictive Analytics, Box Plots, Statistical Analysis, Scatter Plots, Data Visualization Software, Trend Analysis, Analytics, Histogram, Data Manipulation, Regression Analysis, Correlation Analysis
★ 4.4 (111) · Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Social Media Analytics, Text Mining, Unstructured Data, Quantitative Research, Data Visualization, Statistical Analysis, Analysis, Data Presentation, Data Analysis, Statistical Methods, Data Mining, Analytics, Statistical Programming, Correlation Analysis, R (Software), Application Programming Interface (API), R Programming, Regression Analysis, Data Collection, Python Programming
★ 4.1 (298) · Intermediate · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Data Presentation, Data Storytelling, Technical Communication, Scientific Visualization, Technical Writing, Communication, Writing, Generative AI, Responsible AI, Graphic and Visual Design, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Datamaps, Data Science, Spatial Data Analysis, Data Processing, Data Preprocessing, Machine Learning, Geographic Information Systems, Data Visualization, Data Analysis, Data Integration, Amazon Web Services, Cloud Computing, Matlab, Model Training, Data Cleansing, Regression Analysis, Classification Algorithms
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
★ 4.6 (272) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Data-Driven Marketing, Gap Analysis, Marketing Analytics, Performance Analysis, Microsoft Excel, Campaign Management, Data-Driven Decision-Making, Performance Measurement, Variance Analysis, Performance Improvement, Data Analysis, Performance Reporting, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Analytical Skills, Data Ethics, Data Mining, Data Science, Business Analytics, Big Data, Analytics, Descriptive Analytics, Data Analysis Software, Predictive Analytics, Small Data
★ 4.2 (158) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Transformation, Data Wrangling, R (Software), Data Analysis, Data Manipulation, R Programming, Data Cleansing, Scripting, Programming Principles, Data Structures
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Database Design, Data Warehousing, Business Intelligence, Database Development, Relational Databases, Data Visualization, Decision Support Systems, Data Modeling, Business Intelligence Software, Database Software, Database Management Systems, Database Management, Business Process Management, SQL, Star Schema, Data Governance, Data Presentation, Oracle Databases, Data Integration, Dashboard Creation
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Statistical Reporting, Data Analysis, Data Presentation, Team Management, Analytical Skills, Presentations, Team Leadership, People Management, Statistical Inference, Statistical Modeling, Statistical Methods, Data Collection, Communication
★ 4.6 (3.4K) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: HR Tech, Human Resources Software, Data Entry, Human Resources, Oral Expression, Employee Coaching, Data Import/Export, Data Maintenance, Data Integrity, AI Personalization, Data Quality, AI Integrations, Business Reporting, Data Validation, Generative AI Agents, Report Writing
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Database Design, Data Presentation, Ggplot2, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Predictive Modeling, Statistical Analysis, Data Analysis, Rmarkdown, Model Evaluation, Shiny (R Package), SQL, R (Software), Data Manipulation, Web Scraping
★ 4.5 (1.3K) · Beginner · Specialization · 3 - 6 Months