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: 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
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Analytical Skills, Analytics, Data Visualization, Scientific Visualization, Trend Analysis, Data-Driven Decision-Making, Business Analytics, Statistical Analysis, Financial Modeling, Data Storytelling, Statistical Modeling, Predictive Modeling, Python Programming, Data Wrangling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Formulas, Data Validation, Microsoft Excel, Accounting and Finance Software, Standard Accounting Practices, Spreadsheet Software, Data Quality, Data Maintenance, Data Integrity
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

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

Skills you'll gain: Spatial Data Analysis, Statistical Visualization, Dashboard Creation, Salesforce, Data Mapping, Graphing, Advanced Analytics
Intermediate · Course · 3 - 6 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: Data Literacy, Statistical Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Business Intelligence Software, Marketing Analytics, Pivot Tables And Charts, Dashboard Creation, Dashboard, Data Visualization, Data-Driven Marketing, Power BI, Data Presentation, Google Analytics, Data Visualization Software, Microsoft Excel, Marketing, Data Collection, Data Analysis, Market Analysis, Market Intelligence, Market Research, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Query Languages, Business Intelligence, Database Management, Transaction Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Exploratory Data Analysis, Data Storytelling, Data Presentation, Data Analysis, Model Evaluation, Interactive Data Visualization, No-Code Development, Market Data, Business Analytics, Data Science, Model Training, Model Deployment, Model Optimization, Applied Machine Learning, Data Ethics, Dashboard Creation, Machine Learning, Predictive Modeling, Data Visualization
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Business Reporting, Spreadsheet Software, Data Presentation, Data Wrangling, Performance Reporting, Analytics, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks