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: Spatial Data Analysis, GIS Software, Geographic Information Systems, Spatial Analysis, Query Languages, SQL, Geospatial Information and Technology, PostgreSQL, Database Development, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Presentations, Rmarkdown, Data Presentation, Data Cleansing, Data Visualization, Ggplot2, Data Validation, Spreadsheet Software, Data Visualization Software, Data Ethics, Data Analysis, Interactive Data Visualization, Data-Driven Decision-Making, Tableau Software, Data Processing, Dashboard, Business Analysis, Stakeholder Communications, File Management
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Transformation, Interactive Data Visualization, Pandas (Python Package), Concision, Conversion Funnel Analysis, Statistical Reporting
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, R Programming, Verification And Validation, Technical Communication, Software Documentation
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Probability & Statistics, Probability, Statistics, Bayesian Statistics, Statistical Methods, Statistical Modeling, Statistical Analysis, Probability Distribution, Sampling (Statistics), Sample Size Determination, Data Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Google Analytics, Analytical Skills, Web Analytics, Analysis, Marketing Analytics, Data-Driven Decision-Making, Analytics, Data Analysis, Driving engagement, Event Monitoring, Data Collection, Customer Insights, Customer Acquisition Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Data Analysis, Business Intelligence, Star Schema, Data Transformation, Snowflake Schema, Data Visualization Software, Data Integration, Data Manipulation, Data Cleansing, Data Wrangling, Interactive Data Visualization, Dashboard Creation, Data Presentation, Business Reporting, Data Import/Export
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Environmental Monitoring, Geospatial Information and Technology, Scientific Visualization, Geospatial Mapping, Data Visualization, Spatial Data Analysis, Geographic Information Systems, Data Presentation, Process Development, Environmental Science, Image Analysis, Environment, Data Manipulation, Time Series Analysis and Forecasting, Technical Communication, Data Analysis, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Statistical Reporting, Data Import/Export, Data Validation, Data Access, Data Manipulation, Statistical Programming, Exploratory Data Analysis, Data Analysis Software, Data Preprocessing, Data Analysis, Data Transformation, SQL, Data Presentation, Microsoft Excel, Descriptive Statistics
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, MLOps (Machine Learning Operations), Responsible AI, Model Evaluation, Data Ethics, Data Management, Experience Design, Unsupervised Learning, Model Training, Machine Learning Methods, User Experience Design, Classification And Regression Tree (CART), Data Quality, Model Deployment, Human Centered Design, Machine Learning, Project Management, Product Management, Product Design, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Business Intelligence, Business Intelligence Software, Dashboard Creation, Tableau Software, Interactive Data Visualization, Business Reporting, Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Stakeholder Communications, Performance Tuning, Interviewing Skills, Presentations, Performance Improvement, Performance Analysis
Advanced · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Data Storytelling, AI Orchestration, Data Presentation, Microsoft Excel, Strategic Decision-Making, Predictive Analytics, Data-Driven Decision-Making, Financial Forecasting, AI Workflows, Microsoft Copilot, Artificial Intelligence, Excel Formulas, Workflow Management, Data Manipulation, Business, Generative AI, Microsoft 365, Data Management, Interactive Learning
Beginner · Course · 1 - 3 Months