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: Reconciliation, Financial Data, Financial Reporting, Financial Analysis, Variance Analysis, General Ledger, Financial Acumen, Ledgers (Accounting), Pivot Tables And Charts, Spreadsheet Software, Data Validation, Data Quality, Management Reporting, Data Integrity, Data Warehousing, Gross Profit, Enterprise Resource Planning
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Maintenance, Data Validation, Data Management, Clinical Data Management, Health Information Management, Metadata Management, Technical Communication, Change Control
★ 4.7 (158) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Power BI, Data-Driven Decision-Making, Data Processing, Data Integration, Data Cleansing, Data Manipulation, Data Preprocessing, Data Modeling, Data Visualization Software, Data Analysis, Pivot Tables And Charts, Analytics
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Cleansing, Data Quality, Data Wrangling, Data Transformation, Data Validation, Data Manipulation, Data Analysis, SQL, Big Data
★ 4.1 (7) · Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Cloud-Based Integration, Amazon Web Services, Data Structures, Secure Coding, Data Processing, Application Programming Interface (API), Data Manipulation, System Programming, Cryptography, Python Programming, Command-Line Interface, Software Testing
★ 3.5 (67) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Wrangling, Data Preprocessing, Data Validation, Data Processing, Data Ethics, Data Import/Export, Data Cleansing, Data Integration, SQL, Data Transformation, Data Access, JSON, Query Languages, Pandas (Python Package), Data Collection, Generative AI, Relational Databases
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Data Integration, R (Software), R Programming, Exploratory Data Analysis, Statistical Programming
★ 5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Methods, Sample Size Determination, Statistical Hypothesis Testing, Data Preprocessing, Record Keeping
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Analytics, Data Visualization, Plot (Graphics), Statistical Visualization, Matplotlib, Marketing Analytics, Social Media Marketing, Python Programming, Social Media, Data Presentation, Data Analysis, Data Wrangling, Exploratory Data Analysis, Data Cleansing, Seaborn, Content Performance Analysis, Jupyter
★ 4 (40) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), Data Presentation, Data Wrangling, NumPy, Data Visualization, Data Cleansing, Data Structures, Data Analysis, Data Manipulation, Data Preprocessing, Data Synthesis, Data Transformation, Data Processing, Programming Principles, Python Programming, Numerical Analysis, Computer Programming
★ 4.5 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Generative AI, Microsoft Copilot, Data Quality, Responsible AI, Generative Adversarial Networks (GANs), Data Preprocessing, Data Cleansing, Generative Model Architectures, Data Processing, Data Synthesis, Data Integrity, Feature Engineering, Information Privacy
★ 3.7 (29) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Governance, Databricks, Data Management, Metadata Management, Data Quality, Data Security
★ 2.8 (34) · Intermediate · Course · 1 - 4 Weeks