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 Pittsburgh
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Tool Calling, Database Systems, Data Visualization, Database Design, Generative AI, Large Language Modeling, Database Management, Databases, Supervised Learning, Web Services, Data Ethics, Apache Spark, Bayesian Statistics, Time Series Analysis and Forecasting, Database Theory, Unsupervised Learning, Linear Algebra, Model Deployment
Degree · 1 - 4 Years

Skills you'll gain: Data Loss Prevention, Cloud Security, Personally Identifiable Information, Data Pipelines, Cloud-Based Integration, Cloud Storage, Data Security, Data Processing, Data Management, Data Transformation, Cloud Management, Data Storage Technologies, DevOps
Advanced · Project · Less Than 2 Hours

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Social Network Analysis, Network Analysis, Theoretical Computer Science, Probability & Statistics
★ 4.8 (2K) · Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: R (Software), Data Processing, R Programming, Data Manipulation, Data Structures, Statistical Programming, Data Analysis, Computational Logic, Data Analysis Software, Data Preprocessing, Software Installation, Data Science, Development Environment, Computer Programming, Program Development, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Spatial Data Analysis, Tree Maps, Plot (Graphics), Plotly, Data Analysis, Data Visualization, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Jupyter, Statistical Analysis, Quantitative Research, Pandas (Python Package)
★ 4.9 (10) · Intermediate · Guided Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Data Presentation, Correlation Analysis, Microsoft Excel, Data Literacy, Spreadsheet Software, Probability & Statistics, Statistics, Regression Analysis, Statistical Hypothesis Testing, Data Analysis, Statistical Methods, Excel Formulas, Statistical Analysis, Sampling (Statistics), Statistical Software
★ 4.6 (21) · Intermediate · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Network Model, Dashboard Creation, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Data Literacy, Critical Thinking, Digital Analysis, Storytelling, Data Storytelling, Leadership Studies, Organizational Leadership, Strategic Leadership, Leadership, Strategic Decision-Making, Leadership Development, Organizational Effectiveness, Organizational Structure, Leadership and Management, Agile Methodology, Professional Development, Portfolio Management
★ 4.6 (105) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Data Import/Export, Statistical Visualization, Data Wrangling, Statistical Reporting, Data Visualization Software, Data Presentation, Data Analysis, Data Science, Data Manipulation, Statistical Analysis, Relational Databases, Data Cleansing, Communication
★ 4.1 (56) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Cloud Security, Data Integrity, Data Infrastructure, Cloud Infrastructure, Data Security, Infrastructure Security, Encryption, Private Cloud, Security Controls, Network Security, Cloud Storage, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Linux, Linux Administration, Unix Shell, File Management, Scripting, File Systems, Command-Line Interface, Remote Access Systems, Data Manipulation, Data Processing, Data Management, Development Environment
★ 4.6 (136) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Descriptive Analytics, Research Methodologies, Statistical Methods, R (Software), Research, R Programming, Data Collection, Research Reports, Correlation Analysis, Data Ethics
★ 4.5 (17) · Intermediate · Course · 1 - 4 Weeks