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.

Coursera
Skills you'll gain: Social Media Analytics, Data Presentation, Business Intelligence, Predictive Modeling, Dashboard Creation, Predictive Analytics, Customer Analysis, Case Studies, Advanced Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Integration, File Management, Scalability, File Systems, Data Processing, Context Management, Java, Java Programming, Data Transformation, Data Manipulation, Maintainability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, SAS (Software), Feature Engineering, Statistical Analysis, Data Analysis Software, Data Analysis, Digital Signal Processing, Statistical Software, Data Transformation, Exploratory Data Analysis, Data Preprocessing, Unsupervised Learning, Data Processing, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Regression Analysis, Data Science, Statistical Machine Learning, Data-Driven Decision-Making, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, R (Software), Data Analysis
★ 4.5 (39) · Beginner · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
★ 5 (11) · Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistics, Descriptive Statistics, Probability & Statistics, Microsoft Excel, Data Analysis, Statistical Analysis, Statistical Inference, Statistical Methods, Spreadsheet Software, Sampling (Statistics), Data-Driven Decision-Making, Box Plots, Data Presentation, Probability Distribution, Descriptive Analytics, Data Visualization Software
★ 4.8 (79) · Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Forecasting, Regression Analysis, Data Literacy, Excel Formulas, Statistical Analysis, Data Analysis Software, Time Series Analysis and Forecasting, Spreadsheet Software, Analytics, Data Visualization, Statistical Methods, Data Analysis, Statistics, Statistical Hypothesis Testing, Probability & Statistics, Statistical Modeling, Statistical Inference, Variance Analysis
★ 4.7 (35) · Advanced · Course · 1 - 3 Months
Knowledge Accelerators
Skills you'll gain: Power BI, Data Import/Export, Business Intelligence, Dashboard Creation, Business Intelligence Software, Data Transformation, Data Visualization, Dashboard, Data Visualization Software, Data Presentation, Microsoft Excel, Interactive Data Visualization, Data Cleansing, Microsoft Teams, Business Analytics, Data Analysis, Microsoft 365, Data Modeling, Microsoft Office, Data Science
★ 4.3 (267) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Transformation, SPSS (Software), SPSS, Statistical Visualization, Statistical Analysis, Data Manipulation, Data Wrangling, Data Visualization Software, Data Processing, Data Analysis, Statistical Software, Data Import/Export, Descriptive Statistics, Data Analysis Software, Graphing
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: Data Engineering, Database Management, Databases, Data Pipelines, Continuous Deployment, Devops Tools, Change Control, DevOps, CI/CD, Command-Line Interface, Version Control, Event Monitoring, Continuous Monitoring, Data Analysis
★ 4.6 (28) · Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Tax Management, Microsoft Excel, Regulation and Legal Compliance, Sales Tax, Regulatory Requirements, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Data Cleansing, File I/O, Data Pipelines, Data Quality, Database Management, Data Transformation, Data Integrity, File Management, Data Import/Export, JSON, Extensible Markup Language (XML), Software Installation, Debugging
Intermediate · Course · 1 - 4 Weeks