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.

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Mechanics, Engineering Calculations, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Exploratory Data Analysis, Feature Engineering, Dashboard, Interactive Data Visualization, Model Evaluation, Data Visualization, Data Pipelines, Project Documentation, Solution Delivery, Amazon Web Services, Data Analysis, Data Integration, Cloud Development, Technical Documentation, Business Intelligence, Cloud Infrastructure, Technical Communication, Automation, Project Management
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Risk Management, Risk Management Framework, Enterprise Risk Management (ERM), Business Risk Management, Risk Analysis, Operational Risk, Risk Control, Cyber Risk, Data Visualization, Data Presentation, Tableau Software, Empathy, Cybersecurity, Data-Driven Decision-Making, Dashboard, Heat Maps, Stakeholder Communications, Diversity Equity and Inclusion Initiatives, Persuasive Communication, Communication
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Model Evaluation, Feature Engineering, Data Preprocessing, Statistical Analysis, Forecasting, Regression Analysis, Python Programming, Data Analysis, Predictive Modeling, Data Science, Pandas (Python Package), Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Structures, Data Dictionary, Data Manipulation, Data Access, Data Processing, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Power BI, Data Visualization Software, Big Data, Distributed Computing, Databricks, Dashboard, SQL, Data Processing, Query Languages, Data Transformation, Performance Tuning, Performance Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, JSON, Object Oriented Programming (OOP), Extensible Markup Language (XML), Data Modeling, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Knitr, Exploratory Data Analysis, Dimensionality Reduction, Ggplot2, Plotly, Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Statistical Analysis, Generative AI, R Programming, Correlation Analysis, Data Analysis, Tidyverse (R Package), Scatter Plots, Descriptive Statistics, Data Cleansing, Data Preprocessing
Beginner · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data Literacy, Strategic Leadership, Data-Driven Decision-Making, Business Leadership, Organizational Leadership, Leadership, Data Analysis, Leadership Development, Leadership and Management, Agile Methodology, Project Implementation, Organizational Structure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Time Series Analysis and Forecasting, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Seaborn, Data Literacy, Plot (Graphics), Matplotlib, Scatter Plots, Statistical Visualization, Data Presentation, Data Visualization Software, Box Plots, Descriptive Statistics, Exploratory Data Analysis, Statistical Analysis, Pandas (Python Package), NumPy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Interactive Data Visualization, Tableau Software, Data Presentation, Data Import/Export, Data Visualization, Data Visualization Software, Business Intelligence, Data Analysis, Data Integration, Data Modeling
Intermediate · Guided Project · Less Than 2 Hours