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.

Google Cloud
Skills you'll gain: Data Import/Export, Extract, Transform, Load, Google Cloud Platform, Data Warehousing, Big Data, Database Design, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: SQL, Query Languages, Relational Databases, Database Management, Databases, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Statistical Analysis, Data Presentation, Ggplot2, Program Evaluation, Policy Analysis, Surveys, Data Ethics, R (Software), Data Analysis, Tidyverse (R Package), Statistical Visualization, R Programming, Statistical Methods, Public Policies, Data Visualization Software, Case Studies, Political Sciences
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Disaster Recovery, Remote Access Systems, File Systems, Data Access, Data Storage, File Management, Distributed Computing, Servers, Network Support, Network Protocols, System Configuration, Configuration Management, Open Source Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, OpenAI API, Generative AI, Exploratory Data Analysis, OpenAI, ChatGPT, Data Analysis, Data-Driven Decision-Making, Trend Analysis, Product Knowledge, Sales Strategy, E-Commerce, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Graph Theory, Python Programming, Data Manipulation, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Process Flow Diagrams, Business Process Modeling, Data Modeling, Microsoft Visio, Diagram Design, Business Process, Business Analysis, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Performance Analysis, Performance Measurement, Customer Analysis, Dashboard, Market Opportunities, Business Metrics, Decision Making, Strategic Decision-Making, Agile Methodology, Real Time Data, Management Reporting, Business Intelligence, Organizational Effectiveness, Business Leadership, Data-Driven Decision-Making, Business Strategies, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Linear Algebra, R Programming, Data Science, Probability Distribution, Statistical Modeling, Mathematical Modeling, Probability & Statistics, Applied Mathematics, Statistical Analysis, Statistical Inference
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Computer Networking, Server Side, Real Time Data, Data Analysis Expressions (DAX), Application Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Predictive Modeling, Predictive Analytics, Marketing Analytics, Statistical Machine Learning, Machine Learning, Data Science, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Evaluation, Statistical Analysis
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Warehousing, Data Integration, Database Administration, SQL, Relational Databases, Data Analysis, Exploratory Data Analysis, Google Analytics
Beginner · Project · Less Than 2 Hours