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.

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Shell Script, Database Administration, Command-Line Interface, Operational Databases, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Data Processing, Linux
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Data Ethics, Data Visualization Software, Data Analysis, Statistical Analysis, Correlation Analysis, Business Intelligence, Advanced Analytics, Data Analysis Expressions (DAX), Analytics, Analytical Skills, Data-Driven Decision-Making, Exploratory Data Analysis, Trend Analysis, Time Series Analysis and Forecasting, Spatial Data Analysis, Scatter Plots, Forecasting, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Correlation Analysis, Plot (Graphics), Matplotlib, Seaborn, Data Cleansing, Data Visualization, Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Data Science, Statistical Analysis, Data Wrangling, Python Programming
Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Spatial Analysis, ArcGIS, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Data Quality, Data Mapping, Data Modeling, Database Design, Data Storage Technologies, Data Management, Data Literacy, Data Storage, Data Sharing, Data Manipulation, Data Capture, Interactive Data Visualization, Query Languages, Analytics
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Real Time Data, Plotly, Dashboard, Dashboard Creation, Live Streaming, Technical Analysis, Data Visualization, Heat Maps, Scalability, Restful API, Pandas (Python Package), Python Programming, UI Components, NumPy, Data Analysis, Application Deployment, Data Persistence, Data Modeling, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Box Plots, Plot (Graphics), Data Visualization, Ggplot2, Data Visualization Software, Statistical Visualization, Scatter Plots, Histogram, Data Analysis, Graphing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Deployment, Dataflow, Data Pipelines, Dashboard Creation, Google Cloud Platform, Data Lakes, Real Time Data, PySpark, Apache Kafka, Dashboard, Tensorflow, Data Governance, Apache Spark, Data Warehousing, Data Import/Export, Data Processing, Extract, Transform, Load, Unstructured Data, Big Data, Operational Databases
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: MongoDB, NoSQL, Database Management, Database Systems, Database Development, Data Wrangling, Performance Tuning, Database Design, Data Modeling, Query Languages, Analytics, Data Processing, Data Manipulation, Scalability, Disaster Recovery
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data Import/Export, Alteryx, No-Code Development, Data Visualization, Data Presentation, Business Analytics, Data Governance, Workflow Management, Analytics, Operational Efficiency, Interactive Data Visualization, Enterprise Application Management, Business Reporting, Data Wrangling, Data Cleansing, Data Management, Data Manipulation, Data Transformation, Data Analysis, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Matplotlib, Plotly, Seaborn, Plot (Graphics), Exploratory Data Analysis, Dashboard Creation
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Data Transformation, Data Literacy, Engineering Management, Data-Driven Decision-Making, Capacity Planning, Capacity Management, Data Strategy, Decision Intelligence, Data Management, Management Reporting, Performance Metric
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Sharing, Identity and Access Management, Authorization (Computing), Data Access, Google Cloud Platform, User Provisioning, User Accounts, Data Management, Cloud Computing
Beginner · Project · Less Than 2 Hours