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 Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Wrangling, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Graphic and Visual Design, Color Theory, Visual Storytelling, Data Manipulation, Data Transformation, Design Elements And Principles, Data Analysis, Statistical Analysis
Beginner · Course · 1 - 3 Months

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

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

Coursera
Skills you'll gain: People Analytics, Report Writing, Statistical Reporting, Data Literacy, Business Reporting, Management Reporting, Data Presentation, Excel Formulas, Data Storytelling, Data Analysis, Business Writing, Microsoft Excel, Analytics, Statistical Methods, Plot (Graphics), Technical Communication, Statistical Hypothesis Testing, Executive Presence, Stakeholder Communications, Persuasive Communication
Advanced · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Plot (Graphics), Statistical Modeling, Data Visualization, Statistics, R (Software), Data Analysis, Statistical Software, Probability & Statistics, Statistical Inference, R Programming, Descriptive Statistics, Data Preprocessing, Box Plots, Data Visualization Software, Histogram, Probability, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Decision Making, Human Resource Management, Human Resource Strategy, Human Resources, People Analytics, Critical Thinking, Strategic Decision-Making, Data-Driven Decision-Making, Performance Appraisal, Prompt Engineering, Oral Expression, Employee Performance Management, Data Analysis, Strategic Prioritization, Performance Measurement, Performance Metric, Performance Analysis, ChatGPT, Business Acumen, Presentations
Beginner · 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

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
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, Microsoft Azure, Data Transformation, Data Pipelines, Extract, Transform, Load, Dataflow, Data Processing, Data Integration, Data Storage, Cloud Storage
Beginner · Guided Project · Less Than 2 Hours

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

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
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Splunk, Data Analysis, Unstructured Data, Analytics, Data Wrangling, Data Infrastructure, Social Network Analysis, Network Analysis, Classification Algorithms
Mixed · Course · 1 - 3 Months