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: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Software Installation, Programming Principles, Communication
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Excel Formulas, Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Analysis, Data Presentation, Business Metrics, Data Cleansing, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Extensible Markup Language (XML), Databases, JSON, Data Processing, Data Warehousing, Distributed Computing, Data Analysis, Scalability, Case Studies, Analytics, Data Pipelines, Query Languages, Social Media, Data Cleansing, Data Integration, Social Media Content
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Pivot Tables And Charts, Microsoft Excel, R Programming, Alteryx, Dashboard, Statistical Programming, Data Transformation, Tableau Software, Data Cleansing, Data Presentation, Data Visualization Software, Interactive Data Visualization, Debugging, Data Visualization, Automation, Python Programming, Data Structures, Statistical Analysis
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Data Visualization Software, Excel Macros, Analytics, Accounting and Finance Software, Analytical Skills, Pivot Tables And Charts, Accounting Systems, Business Analytics, Microsoft Excel, Data Collection, Data-Driven Decision-Making, Excel Formulas, Data Analysis, Scatter Plots, Predictive Analytics, Data Architecture
Build toward a degree
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Pivot Tables And Charts, Spreadsheet Software, Data Analysis Expressions (DAX), Data Analysis, Analytics, Business Modeling, Business Analysis, Data Storytelling, Data Presentation, Microsoft 365, Trend Analysis, Data Security, Data Entry, Key Performance Indicators (KPIs), Data Management, Productivity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, Databricks, Apache Spark, MLOps (Machine Learning Operations), Microsoft Azure, Big Data, Data Processing, Deep Learning, Data Transformation, Model Deployment, Machine Learning Software, Model Evaluation, Machine Learning, Distributed Computing, Exploratory Data Analysis, Regression Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Interactive Data Visualization, Data Presentation, Tableau Software, Data Visualization Software, Data Analysis Software, Digital Publishing, Key Performance Indicators (KPIs), Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Warehousing, Data Import/Export, Data Migration, Data Manipulation, Data Mapping, Software Installation, Data Transformation, Version Control
Mixed · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Vector Databases, Responsible AI, Data Strategy, Data Ethics, Data Management, Data Architecture, Data Security, Generative AI, AI Security, Generative AI Agents, Data Governance, Retrieval-Augmented Generation, Interoperability, Data Store, AI Workflows, Enterprise Architecture, AI Enablement, Metadata Management, Data Pipelines, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Predictive Modeling, Decision Tree Learning, Data Analysis, Regression Analysis, Classification Algorithms, Supervised Learning, Machine Learning Algorithms, Model Evaluation, Scikit Learn (Machine Learning Library), Data Preprocessing, Statistical Machine Learning, Feature Engineering
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Bayesian Statistics, Databricks, Sampling (Statistics), Statistical Modeling, Probability, Applied Machine Learning, Jupyter, Regression Analysis, Statistical Programming, Predictive Modeling, Statistical Analysis, Model Evaluation, Probability Distribution, Data Science, Logistic Regression, Markov Model, Statistics, Statistical Methods, Simulations, Python Programming
Beginner · Specialization · 1 - 3 Months