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: Plotly, Interactive Data Visualization, Plot (Graphics), Data Visualization Software, Ggplot2, Exploratory Data Analysis, Data Analysis, Python Programming, Data Science, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

University at Buffalo
Skills you'll gain: Data Storytelling, Statistical Process Controls, Data Analysis Software, Data Visualization, Data Presentation, Data Visualization Software, Data-Driven Decision-Making, Business Analytics, Tableau Software, Statistical Visualization, Data Literacy, Data Analysis, Process Capability, Minitab, Data Cleansing, Business Intelligence, Statistical Analysis, Data Quality, Analysis, Process Analysis
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Scientific Visualization, Data Visualization Software, Visualization (Computer Graphics), Statistical Visualization, Computer Displays, Data Presentation, Time Series Analysis and Forecasting, Display Devices, Scalability, Data Validation, Computer Graphics, 3D Modeling, Medical Imaging, Computer Graphic Techniques
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Visualization Software, Spreadsheet Software, Correlation Analysis, Google Sheets, Dashboard, Dashboard Creation, Data Analysis, Data Storytelling, Tableau Software, Descriptive Statistics, Data Cleansing, Marketing Analytics, Data Wrangling, Exploratory Data Analysis, Data Manipulation, Statistical Analysis, Analysis, SQL, Query Languages
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Storage, Query Languages, Data Import/Export, Analytics, Data Science, Data Analysis
Beginner · Project · Less Than 2 Hours

Wesleyan University
Skills you'll gain: Data Storytelling, Data Presentation, Exploratory Data Analysis, Data Analysis, Data Visualization, Research Reports, Statistical Reporting, Analytical Skills, Report Writing, Data Synthesis, Data Science, Data Management, Statistical Analysis, Data Manipulation, Descriptive Analytics, Descriptive Statistics, Research Methodologies, Research, Research Design
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), SQL, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Warehousing, Data Cleansing, Dashboard Creation, Data Analysis, Data Integration, Data Visualization Software, Google Sheets, Query Languages, Google Cloud Platform, Data Import/Export, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Health Care Procedure and Regulation, Health Informatics, Data Wrangling, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Preprocessing, Health Information Management and Medical Records, Health Policy, Data Processing, Data Compilation, Data Analysis, Descriptive Analytics, Database Design, Medical Billing and Coding, Relational Databases, Data Integration, Spreadsheet Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, A/B Testing, Customer Analysis, Anomaly Detection, Dashboard, Dashboard Creation, Time Series Analysis and Forecasting, Regression Analysis, Customer Insights, Extract, Transform, Load, Descriptive Analytics, Data Presentation, Market Analysis, Statistical Methods, Marketing, Marketing Effectiveness, Marketing Strategies, Forecasting, Statistical Modeling
Intermediate · Course · 3 - 6 Months

Duke University
Skills you'll gain: Pandas (Python Package), Version Control, Git (Version Control System), Data Manipulation, Software Development Tools, Development Environment, Data Structures, Python Programming, Microsoft Development Tools, Data Analysis Software, Package and Software Management, Virtual Environment
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Systems, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Relational Databases, Data Architecture, Advanced Analytics, Analytics, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Plotly, Seaborn, Data Visualization Software, Data Visualization, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Scatter Plots, Heat Maps, Data Analysis
Intermediate · Course · 1 - 3 Months