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: Enterprise Architecture, Apache Kafka, Data Architecture, Generative AI, Data Infrastructure, Root Cause Analysis, Dataflow, Systems Architecture, Data Quality, Data Pipelines, Data Integration, Cloud Storage, Data Storage Technologies, Data Storage, Model Training, Failure Analysis, Data Processing, Metadata Management, Performance Tuning, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, SAS (Software), Metadata Management, Data Integrity, Data Maintenance, Query Languages, Relational Databases, Data Manipulation, Data Analysis Software, Database Management, Data Transformation, Data-Driven Decision-Making, Performance Tuning, Data Governance, Debugging, Data Wrangling, Data Analysis, Data Processing, Computational Logic, Data Management
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Statistical Methods, Bayesian Statistics, Statistics, Probability & Statistics, Analytics, Data Storage Technologies, Exploratory Data Analysis, Data Store, Mathematical Software, Data Storage, Data Access, Statistical Machine Learning, Database Software, Estimation, Machine Learning Methods, Data-Driven Decision-Making, Applied Machine Learning, Supervised Learning, Markov Model, Regression Testing
Intermediate · Specialization · 3 - 6 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

Google Cloud
Skills you'll gain: Google Cloud Platform, Gemini, Google Gemini, Big Data, SQL, Analysis
Beginner · Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Business Intelligence, Data Analysis, Data Analysis Software, Data Presentation, Microsoft Office, Microsoft 365, Data-Driven Decision-Making, Data Visualization, Trend Analysis, Productivity Software
Mixed · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Pipelines, Apache Airflow, Dataflow, Site Reliability Engineering, Disaster Recovery, Apache Kafka, Data Integrity, Data Infrastructure, Workflow Management, Real Time Data, Data Processing, Apache Spark
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Google Sheets, Spreadsheet Software, Excel Formulas, Data Import/Export, Data Presentation, Data Literacy, Data Analysis, Business Analysis
Beginner · Guided Project · Less Than 2 Hours

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