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.

Arizona State University
Skills you'll gain: Data Transformation, Engineering Management, Data-Driven Decision-Making, Computational Thinking, Exploratory Data Analysis, Capacity Planning, Capacity Management, Decision Making, Data Warehousing, Decision Intelligence, Data Strategy, Data Lakes, Complex Problem Solving, Design Thinking, Data Governance, Data Access, Data Literacy, Data Management, Organizational Effectiveness, Solution Design
Beginner · Specialization · 3 - 6 Months

Georgia Institute of Technology
Skills you'll gain: Materials science, Informatics, Data Science, Data Mining, Data Integration, Data Infrastructure, Data Sharing, Manufacturing Processes, Process Engineering, Structural Analysis, Collaborative Software, Statistics
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Dimensionality Reduction, Data Analysis, Supervised Learning, Anomaly Detection, Machine Learning, Machine Learning Algorithms, Unsupervised Learning, Data Mining, Predictive Modeling, Model Evaluation, Regression Analysis, Decision Tree Learning, Statistical Methods, Project Planning, Logistic Regression
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Modeling, Data Transformation, Data Processing, Data Warehousing, Data Preprocessing, Apache Hadoop, Extract, Transform, Load, Data Pipelines, Apache Spark, Feature Engineering, Star Schema, Applied Machine Learning, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Data Visualization, Statistical Visualization, Box Plots, Interactive Data Visualization, Histogram, Statistical Analysis, Data Analysis, Probability
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Pandas (Python Package), Data Visualization, Descriptive Statistics, Data Manipulation, Data Transformation, Data Analysis, Statistics, Statistical Analysis, Data Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Security, Data Loss Prevention, Data Security, Personally Identifiable Information, Information Privacy, Cloud Computing, Google Cloud Platform, Cloud Services
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Power BI, Interactive Data Visualization, Data Visualization, Dashboard Creation, Data Presentation, Dashboard, Trend Analysis, Exploratory Data Analysis, Customer Analysis, Data Visualization Software, Tree Maps, Sales, Business Intelligence, Data Analysis, Business Analytics, Data Transformation
Beginner · Guided Project · Less Than 2 Hours

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, Data Security, digital literacy, Telecommuting, Data Analysis, Data-Driven Decision-Making, Excel Formulas, Programming Principles, Spreadsheet Software, Web Language, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Scripting Languages, Web Development, Javascript, Python Programming
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, A/B Testing, Customer Analysis, Anomaly Detection, Dashboard, Dashboard Creation, Time Series Analysis and Forecasting, Regression Analysis, Customer Insights, Extract, Transform, Load, Descriptive Analytics, Data Presentation, Statistical Methods, Marketing Effectiveness, Marketing Strategies, Forecasting, Statistical Modeling, Statistical Analysis, Markov Model
Intermediate · Course · 3 - 6 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Plot (Graphics), Data Visualization, Matplotlib, Interactive Data Visualization, Data Visualization Software, Seaborn, Statistical Visualization, Graphing, Data Analysis, Graphic and Visual Design, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months