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.

Skills you'll gain: Data Analysis, Data Manipulation, Data Wrangling, Data Collection, Data Cleansing, Data Processing, Data Quality, Data Analysis Software, Data Science, Feature Engineering, Data Visualization, Data Presentation, Data Validation, Correlation Analysis, Machine Learning
Beginner · Course · 1 - 3 Months
Skills you'll gain: Crisis Management, Business Ethics, Corporate Communications, Communication Planning, Data Ethics, Media Relations, Communication Strategies, Public Relations, Strategic Communication, Media and Communications, Stakeholder Communications, Business Communication, Ethical Standards And Conduct, Workplace inclusivity, Communication, Internal Communications, Diversity Equity and Inclusion Initiatives, Leadership and Management, Business Strategy, Marketing
★ 4.4 (97) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, AI Security, Data Management, Data Loss Prevention, Security Awareness
★ 4.5 (20) · Beginner · Course · 1 - 4 Weeks

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, Data Collection, Extensible Languages and XML, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Histogram, Data Analysis, Data Presentation, Exploratory Data Analysis, Graphing, Data Visualization Software, Data Literacy, Descriptive Statistics, Statistical Software, Statistics, Research, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Data Storytelling, Mergers & Acquisitions, Data Transformation, Interactive Data Visualization, Spreadsheet Software, Data Presentation, Business Valuation, Financial Modeling, Case Studies, Analysis, Financial Statement Analysis, Financial Analysis, Market Data, Benchmarking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Manipulation, Statistical Analysis, R (Software), Ggplot2, R Programming, Data Wrangling, Data Transformation, Data Visualization Software, Data Science, Applied Machine Learning, Data Preprocessing, Probability & Statistics, Data Analysis, Statistical Modeling, Machine Learning Methods, Regression Analysis, Statistical Software, Data-Driven Decision-Making, Statistical Programming, Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Security Assertion Markup Language (SAML), Encryption, Single Sign-On (SSO), Amazon Web Services, Active Directory, Authentications, Cloud Security, Data Security, User Provisioning, Azure Active Directory, Key Management, User Accounts, AWS CloudFormation, Authorization (Computing), Network Security, Cloud Computing, Virtual Private Networks (VPN)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Plotly, Histogram, Interactive Data Visualization, Scatter Plots, Plot (Graphics), Data Visualization, Data Analysis, Python Programming
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Spark, Data Persistence, Big Data, Data Processing, Distributed Computing, Data Import/Export, JSON, Data Transformation, Performance Tuning
Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Statistical Methods, Data Literacy, Regression Analysis, Statistical Analysis, Correlation Analysis, Technical Communication, Scatter Plots, Data Analysis, Predictive Analytics, Generative AI, AI literacy, Predictive Modeling
★ 4.8 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Logistic Regression, SAS (Software), Predictive Analytics, Data Analysis Software, Predictive Modeling, Advanced Analytics, Data Validation, Feature Engineering, Statistical Software, Model Evaluation, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Modeling, Exploratory Data Analysis, Statistical Methods, Small Data, Statistical Programming, Statistical Hypothesis Testing, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks