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.

Tsinghua University
Skills you'll gain: Data Structures, Database Management Systems, System Design and Implementation, Programming Principles, Algorithms, Data Storage, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Memory Management, Software Visualization, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Generative AI, Data Pipelines, Data Modeling, Data Transformation, SQL
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Sheets, Data Cleansing, Data Validation, Data Wrangling, Data Entry, Spreadsheet Software, Data Quality, Data Manipulation, Data Analysis, Data Transformation
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Dashboard, Dashboard Creation, Microsoft Excel, Business Reporting, Excel Formulas, Spreadsheet Software, Performance Reporting, Case Studies, People Analytics, Performance Analysis, Business Analytics, Variance Analysis, Trend Analysis, Data Analysis, Employee Performance Management, Performance Measurement, Project Documentation, Business Process Automation, Data Presentation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Presentation, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Azure Synapse Analytics, Information Management, Data Management, Databricks, Data Storage Technologies, Data Security
Beginner · Guided Project · Less Than 2 Hours

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

Johns Hopkins University
Skills you'll gain: Data Modeling, Graphing, Mathematical Modeling, Algebra, Trigonometry, Linear Algebra, Calculus, General Mathematics, Mathematical Software, Applied Mathematics, Geometry
Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Data Synthesis, Data Visualization Software, Data Analysis, Exploratory Data Analysis, Data Cleansing, Data Wrangling, Data Processing, Data Manipulation, Big Data, Data Science, Jupyter, People Analytics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: General Data Protection Regulation (GDPR), Personally Identifiable Information, Governance Risk Management and Compliance, Information Privacy, Data Governance, Data Security, Cybersecurity, Data Management, Cyber Attacks, Data Loss Prevention, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Cyber Risk, Encryption, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Financial Acumen, Financial Analysis, Data Import/Export, Business Reporting, Financial Data, Data Wrangling, Analytical Skills, Data Transformation, Accounting Records, Microsoft Excel, Data Literacy, Transaction Processing, Performance Analysis, Financial Reporting, Data Processing
Beginner · Course · 1 - 4 Weeks