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: Descriptive Statistics, Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Data Manipulation
Beginner · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Network Model, Programming Principles, Social Network Analysis, Network Analysis, Theoretical Computer Science, Network Routing, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Star Schema, Data Governance, Database Design, Data Management, SQL, Relational Databases, Business Intelligence, Data Mining, Data Quality, Data Analysis, Systems Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), AI Security, Responsible AI, Personally Identifiable Information, Legal Technology, Data Security, Data Ethics, Large Language Modeling, Business Ethics, Data Governance, Prompt Engineering, Cyber Security Strategy, Data Loss Prevention, Ethical Standards And Conduct, Generative AI, Regulatory Compliance, Cybersecurity, Risk Analysis, Governance
Beginner · Specialization · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Model Evaluation, Feature Engineering, Data Science, Data Analysis, Business Analytics, Predictive Analytics, Data-Driven Decision-Making, Regression Analysis, Data Modeling, Statistical Analysis, Business Intelligence, Data Storytelling, Machine Learning, Exploratory Data Analysis, Data Preprocessing, Classification Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, z/OS, Mainframe Computing, Relational Databases, File Management, Data Management, Databases, Database Management Systems, File Systems, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Data-Driven Decision-Making, Data Ethics, Customer Analysis, Strategic Marketing, Digital Marketing, Business Analytics, Marketing Analytics, Performance Measurement, Marketing Strategy and Techniques, MarTech, Data Analysis, Pay Per Click Advertising, Data Management, Web Analytics and SEO, Marketing Automation, Cross-Channel Marketing, Growth Strategies, Smart Goals
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Extract, Transform, Load, Histogram, Data Transformation, Apache Kafka, JSON, Amazon S3, MySQL, SQL
Intermediate · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Data Ethics, Policy Development, Data-Driven Decision-Making, Data Analysis, Data Collection, Policy Analysis, Data Quality, Surveys, Program Evaluation, Research, Statistical Analysis, Research Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Applied Machine Learning, Data Science, Python Programming, Scikit Learn (Machine Learning Library), NumPy, Computational Thinking, Machine Learning Algorithms, Pandas (Python Package), Data Preprocessing, Data Analysis, Exploratory Data Analysis, Programming Principles, Data Manipulation
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Statistics, Descriptive Statistics, Probability & Statistics, Probability Distribution, Business Analytics, Microsoft Excel, Data Analysis, Statistical Analysis, Box Plots, Sampling (Statistics), Correlation Analysis
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Peer Review, Data Literacy, Research, Quantitative Research, Report Writing, Analytical Skills, Data Analysis, Research Methodologies, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks