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.

The Hong Kong University of Science and Technology
Skills you'll gain: Social Studies, Social Sciences, Big Data, Sociology, Demography, Socioeconomics, Culture, Economics, Data Analysis, Analytics, World History, Quantitative Research
★ 4.5 (61) · Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Statistical Methods, Pandas (Python Package), Program Development, Test Case, Data Science, Development Testing, Software Design, Computational Thinking, Sampling (Statistics), Data Manipulation, Programming Principles, Data Cleansing, Software Development
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Web Analytics and SEO, AI Personalization, Document Management, Semantic Web, Algorithms, Query Languages, Model Evaluation, Network Analysis, Text Mining, Natural Language Processing, User Research, Data Structures, Business Modeling, Graph Theory, Applied Machine Learning, Linear Algebra
★ 5 (8) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Literacy, Statistical Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Big Data, JSON, Apache Hadoop, Dataflow, People Analytics, Analytics, Data Analysis, Data Pipelines, Data-Driven Decision-Making, Data Preprocessing, Data Processing, Data Transformation, Query Languages, Debugging
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Wrangling, Data Transformation, Data Pipelines, Extract, Transform, Load, Cloud Engineering, Google Cloud Platform, Data Integration, Cloud Development, Cloud-Based Integration, Data Analysis, Database Administration, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Dashboard Creation, Data Modeling, Analytical Skills, Data Visualization, Analysis, Data Presentation, Data Integration, Data Wrangling, Data Management, Business Reporting, Business Intelligence Software, Security Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics and SEO, Data Storytelling, Driving engagement, Statistical Methods, Statistical Analysis, Technical Communication, Performance Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Dashboard Creation, Tableau Software, Dashboard, Market Data, Data-Driven Decision-Making, Data Presentation, Feature Engineering, Analytical Skills, Data Ethics, Exploratory Data Analysis, Data Visualization Software, Case Studies, Business Intelligence, Business Analytics, Financial Market, Interactive Data Visualization, Data Analysis, Financial Data, Financial Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Transformation, Data Wrangling, Data Manipulation, Spreadsheet Software, Business Reporting, Financial Analysis, Financial Data, Data Import/Export, Data Cleansing, Excel Formulas, Microsoft Excel, Budget Management, Trend Analysis, Expense Management, Data Analysis, Financial Reporting, Pivot Tables And Charts, Variance Analysis, Descriptive Analytics, Budgeting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Analysis, Sales Strategy, Sales, Data Analysis Software, Data Analysis, Query Languages, Database Software, Trend Analysis, Databases, Customer Insights, Performance Analysis, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours