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 Maryland, College Park
Skills you'll gain: Data Storytelling, Digital Transformation, Data-Driven Decision-Making, Business Transformation, Data Presentation, Data Strategy, Data Literacy, Agile Project Management, Business Analytics, Strategic Decision-Making, Analytics, Agile Methodology, Storytelling, Customer experience strategy (CX), Presentations, Microsoft Power Platform, Proposal Writing, Leadership, Data Quality, Stakeholder Communications
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Star Schema, Data Governance, Database Design, Data Integrity, Operational Data Store, Snowflake Schema, SQL, Relational Databases, Query Languages, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Power BI, Data-Driven Decision-Making, Data Analysis, Extract, Transform, Load, Business Intelligence, Data Collection, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Data Visualization, Graphing, Matplotlib, Data Visualization Software, Statistical Visualization, Graphical Tools, Data Analysis Software, Data Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Algebra, Numerical Analysis
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI, Responsible AI, Financial Data, Complex Problem Solving, Microsoft Copilot, Data Ethics, ChatGPT, Data-Driven Decision-Making, Data Analysis, Prompt Engineering, Financial Analysis, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization, Predictive Modeling, Scientific Visualization, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Statistical Visualization, Data Presentation, Data Manipulation, Data Wrangling, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Applied Machine Learning, Machine Learning Algorithms, Model Evaluation, Statistical Inference
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Seaborn, NumPy, Matplotlib, Data Transformation, Data Manipulation, Data Visualization Software, Pandas (Python Package), Plot (Graphics), Data Visualization, Jupyter, Scatter Plots, Data Science, Data Processing, Data Analysis, Box Plots, Python Programming, Graphing, Computer Programming, Computer Programming Tools, Software Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Data Pipelines, Identity and Access Management, Amazon S3, Amazon Web Services, User Provisioning, Data Transformation, Data Architecture, Amazon DynamoDB, System Monitoring, Amazon Redshift, User Accounts, Data Infrastructure, Data Processing, Extract, Transform, Load, Data Store, Security Controls, Data Warehousing, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Data Visualization, Interactive Data Visualization, Dashboard, Dashboard Creation, Data Visualization Software, Tableau Software, Exploratory Data Analysis
Intermediate · Guided Project · Less Than 2 Hours