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.

Corporate Finance Institute
Skills you'll gain: Classification Algorithms, Data Preprocessing, Matplotlib, Feature Engineering, Data Visualization, Model Evaluation, Data Import/Export, Exploratory Data Analysis, Plot (Graphics), Pandas (Python Package), Data Presentation, Data Science, NumPy, Regression Analysis, Data Analysis, Data Structures, Data Wrangling, Correlation Analysis, Portfolio Management, Predictive Analytics
Advanced · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Data Storytelling, Decision Making, Critical Thinking, Database Design, Data Manipulation, Data Presentation, Power BI, Data Visualization, Model Evaluation, Feature Engineering, Model Deployment, Interactive Data Visualization, Data Wrangling, Critical Thinking and Problem Solving, Data Analysis Expressions (DAX), Human Centered Design, SQL, Machine Learning, Problem Solving, Python Programming
Beginner · Professional Certificate · 3 - 6 Months
CertNexus
Skills you'll gain: Data Analysis, Data Preprocessing, Data Visualization, Statistical Analysis, Exploratory Data Analysis, Statistical Visualization, Statistical Methods, Analytical Skills, Data Processing, Data Wrangling, Data Transformation, Descriptive Statistics, Data Cleansing, Histogram, Data Manipulation, Scatter Plots, Applied Machine Learning
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Extract, Transform, Load, Data Modeling, Clinical Data Management, Database Design, Data Mapping, Data Dictionary, Data Quality, Data Transformation, Data Integrity, Data Validation, Data Integration, Health Informatics, Relational Databases, SQL, Query Languages
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jupyter, R (Software), R Programming, Computer Programming Tools, GitHub, Software Development Tools, Data Visualization Software, Data Science, Statistical Programming, Cloud Hosting, Scikit Learn (Machine Learning Library), Cloud Services, Cloud API, Cloud Computing, Git (Version Control System), Cloud Platforms, Other Programming Languages, Integrated Development Environments, Version Control, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Information Privacy, Law, Regulation, and Compliance, Personally Identifiable Information, Regulatory Requirements, Regulation and Legal Compliance, Data Security, Compliance Management, Legal Risk, Compliance Reporting, Legal Research, Security Controls, Brokerage, Data Sharing, Informed Consent
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Statistical Visualization, Data Literacy, Data Visualization Software, Tableau Software, Data Ethics, Exploratory Data Analysis, Data Integrity, Correlation Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Storytelling, Interactive Data Visualization, Data Visualization, Data Literacy, Data Visualization Software, Presentations, Data-Driven Decision-Making, Persuasive Communication, Driving engagement
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Leaflet (Software), Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R (Software), R Programming, Statistical Reporting, Application Development, Software Documentation, Web Applications, Hypertext Markup Language (HTML), Package and Software Management
Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Data Ethics, Data Validation, Data Management, Data Collection, Data Analysis, Algorithms, Social Impact, Bayesian Statistics, Policy Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Synthesis, Model Optimization, Data Presentation, Data Collection, Predictive Analytics, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
Mixed · Course · 1 - 3 Months
Skills you'll gain: Data Ethics, File Management, Data Security, Google Sheets, Databases, Data Access, Data Quality, Data Collection, SQL, Data Import/Export, Metadata Management, Unstructured Data
Beginner · Course · 1 - 3 Months