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.

Coursera
Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Data Quality, Data Strategy, AI Enablement, Applied Machine Learning, Exploratory Data Analysis, Machine Learning, Machine Learning Methods
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Healthcare Ethics, Ethical Standards And Conduct, Responsible AI, Data Security, Data Science, Medical Privacy, Machine Learning Algorithms, Algorithms, Information Privacy, Artificial Intelligence, Diversity Awareness, Case Studies
Build toward a degree
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Modeling, Data Infrastructure, Database Systems, Data Architecture, Big Data, Data Management, Database Management Systems, Real Time Data, NoSQL, Database Design, Apache Hadoop, Scalability
Mixed · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Data Processing, Object Oriented Programming (OOP), Data Analysis, Data Structures, Statistical Methods, Web Scraping, Matplotlib, Pandas (Python Package), Data Visualization Software, Python Programming, NumPy, Data Manipulation, User Interface (UI)
Beginner · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Data Analysis, Data Visualization, Analytical Skills, Report Writing, Data Science, Data Management, Big Data, Statistical Analysis, Real Time Data, Research, Research Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Databricks, Big Data, Distributed Computing, Public Cloud, Cloud Computing, Data Lakes, Cloud Computing Architecture, Data Processing, Scalability, Data Storage Technologies, Analytics, Real Time Data
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Plotly, Seaborn, Data Visualization Software, Data Visualization, Statistical Visualization, Interactive Data Visualization, Scatter Plots, Box Plots, Heat Maps, Histogram
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Apache Hadoop, Big Data, Apache Spark, NoSQL, Apache Kafka, Distributed Computing, Real Time Data, Apache Hive, Data Infrastructure, Data Lakes, Data Storage Technologies, Data Ethics, Database Management Systems, Cloud Computing, Data Processing, Databases, Scalability, Data Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Apache Kafka, Amazon Redshift, Data Lakes, Real Time Data, Data Management, Apache Hive, Apache Spark, Amazon S3, Data Pipelines, Data Processing, Big Data, Apache Hadoop, AWS Identity and Access Management (IAM), Query Languages, Serverless Computing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Strategic Prioritization, User Research, Data-Driven Decision-Making, Business Analytics, Persona Development, Stakeholder Communications, Customer Insights, Analytics, Presentations, Quantitative Research
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Visualization, Data Visualization Software, Data Visualization, Scatter Plots, Plot (Graphics), Box Plots, Exploratory Data Analysis, Histogram, Descriptive Statistics, Heat Maps, Graphing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Interactive Data Visualization, Data Visualization Software, Scatter Plots, Ggplot2, Data Analysis, Python Programming, Data Science, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours