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 Colorado Boulder
Skills you'll gain: Algebra, Calculus, Applied Mathematics, Graphing, General Mathematics, Data Science, Numerical Analysis, Mathematical Theory & Analysis, Derivatives
★ 4.6 (265) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ggplot2, Model Evaluation, Plot (Graphics), Regression Analysis, Predictive Analytics, Predictive Modeling, Statistical Visualization, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, R (Software), Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Analysis
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Sharing, Customer Data Management, Data Integration, Data Access, Business Intelligence, Google Cloud Platform, Cloud Management, Data Visualization, Data Management, Data Import/Export, Cloud Computing
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Quantitative Research, Model Optimization, Prompt Engineering, Retrieval-Augmented Generation, LangChain, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Modeling, Data Storytelling, Data Analysis Expressions (DAX), Data Visualization Software, Data Presentation, Data Transformation, Business Intelligence, Dashboard, Microsoft Excel, Dashboard Creation, Interactive Data Visualization, Business Intelligence Software, Data Manipulation, Data Cleansing, Key Performance Indicators (KPIs), Report Writing, Data Import/Export
★ 4.7 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Statistical Methods, Data Manipulation, Python Programming, Applied Machine Learning, Pandas (Python Package), Data Science, Statistical Analysis, NumPy, Machine Learning Methods, Machine Learning, Statistical Inference, Probability Distribution, Probability
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Data Strategy, Data Ethics, Data Sharing, Customer Data Management, Market Opportunities, Data Governance, Data Management, Data-Driven Decision-Making, Data-Driven Marketing, Big Data, Customer Insights, Personally Identifiable Information, Data Literacy, Advertising, Strategic Thinking, Data Collection, Personalized Service, Business Transformation, Innovation, Business Modeling
★ 4.9 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis Software, Data Analysis, Advanced Analytics, Interactive Data Visualization, Data Manipulation, Data Presentation, Data Transformation, Data Sharing, Embeddings
★ 4.9 (16) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Modeling, Predictive Analytics, Probability & Statistics, Predictive Modeling, Statistical Methods, Data Ethics, Data Science, Statistics, Probability, Regression Analysis, Probability Distribution, Sampling (Statistics)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Estimation, Decision Making, Data-Driven Decision-Making, Data Literacy, Statistics, Plot (Graphics), Descriptive Analytics, Business Analytics, Data Visualization, Data Analysis Software, Statistical Software, Advanced Analytics, Data Preprocessing, Data Cleansing, Graphing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Business Intelligence, Data-Driven Decision-Making, Business Intelligence Software, Data Modeling, Database Design, Snowflake Schema, Data Transformation, Extract, Transform, Load, Data Storytelling, Data Strategy, Data Integration, Data Cleansing, Process Improvement and Optimization, Data Analysis, Data Management, Data Governance, Data Quality, Relationship Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Structures, Feature Engineering, MLOps (Machine Learning Operations), Java Programming, Java, Performance Tuning, Data Processing, Applied Machine Learning, System Monitoring, Scalability, Performance Analysis, Memory Management, Benchmarking, Graph Theory, Program Implementation
Advanced · Course · 1 - 4 Weeks