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.

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Database Design, Query Languages, Performance Tuning, Computer Programming, Computer Science
Intermediate · Specialization · 3 - 6 Months

Unilever
Skills you'll gain: Data Governance, Data Storytelling, Presentations, Data Visualization, Supply Chain, Data Management, Supply Chain Management, Data Analysis, Data Visualization Software, Data Quality, Analytical Skills, Data Cleansing, Data Collection, Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Exploratory Data Analysis, Data Validation, Risk Management, Problem Solving
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Statistical Hypothesis Testing, Data-Driven Decision-Making, Descriptive Statistics, Correlation Analysis, Data Analysis, Probability Distribution, Statistical Software, Statistics, Statistical Analysis, Estimation, R (Software), Data Visualization, Risk Analysis, Probability, Statistical Methods, R Programming, Return On Investment, Probability & Statistics, Problem Solving
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Data Modeling, Database Design, Performance Tuning, Data Integration, Data Analysis, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Plotly, Data Presentation, Matplotlib, Interactive Data Visualization, Seaborn, Data Visualization, Data Visualization Software, Statistical Visualization, Scatter Plots
Beginner · Guided Project · Less Than 2 Hours

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Microsoft Excel, Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Statistical Visualization, Programming Principles, Computer Programming, Functional Design, Data Import/Export, Scripting, Scripting Languages, Data Manipulation, Python Programming, Data Science, Software Engineering
Beginner · Specialization · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Data Literacy, Business Transformation, Strategic Leadership, Leadership, Leadership Development, Business Leadership, Agile Methodology, Leadership Studies, Organizational Leadership, Data Analysis, Organizational Structure, Big Data, Leadership and Management, Organizational Change, Agile Product Development, Team Leadership, Decision Making, Data Management, Critical Thinking
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Probability, Probability & Statistics, Sampling (Statistics), Probability Distribution, Statistics, Data Science, Statistical Inference, Descriptive Statistics, Statistical Analysis, General Mathematics
Intermediate · Course · 1 - 4 Weeks

University of Huddersfield
Skills you'll gain: Linear Algebra, Matplotlib, Computational Logic, Theoretical Computer Science, Graph Theory, Data Visualization Software, Algebra, Python Programming, Data Analysis, Computational Thinking, Algorithms, Logical Reasoning, Data Manipulation, Statistical Analysis, Data Structures, Data Science, Computer Science, Advanced Mathematics, Numerical Analysis, Applied Mathematics
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Generative AI, Exploratory Data Analysis, Generative Model Architectures, Data Ethics, Feature Engineering, Predictive Modeling, AI Enablement, Responsible AI, Data Visualization, Data Science, Data Synthesis, Data Preprocessing, Data Analysis, Data Manipulation, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Heat Maps, R Programming, Graphical Tools, Data Wrangling, Tidyverse (R Package), Graphics Software
Intermediate · Course · 1 - 4 Weeks