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.

Northeastern University
Skills you'll gain: Database Management Systems, Data Modeling, Databases, Database Design, Database Systems, Database Management, Database Theory, Big Data, Unified Modeling Language, Database Architecture and Administration, Data Integration, Data Storage Technologies, Data Management, Apache Hadoop, Apache Spark, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Pivot Tables And Charts, Unstructured Data, Data Visualization Software, Dashboard Creation, Data Modeling, Dashboard, Anomaly Detection, Data Wrangling, Data Transformation, Event Monitoring, Continuous Monitoring
Mixed · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Peer Review, Analytical Skills, Complex Problem Solving, Data Synthesis, Data Literacy, Data Analysis, Constructive Feedback, Data Storytelling, Value Propositions, Data Integration, Exploratory Data Analysis, Data Presentation, Presentations
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ggplot2, Plot (Graphics), Tidyverse (R Package), Data Visualization, Statistical Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Wrangling, Data Manipulation, R (Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Mining, Data Cleansing, Transaction Processing, Unsupervised Learning, Data Preprocessing, R Programming, Data Analysis, Market Analysis, Data Visualization, Data Manipulation, Model Training, Statistical Visualization, Data Quality, Consumer Behaviour, Model Optimization
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Warehousing, Star Schema, Dashboard Creation, Data Visualization Software, MicroStrategy, Business Intelligence, Data Integration, Data Architecture, Extract, Transform, Load, Data Modeling, Case Studies, Business Intelligence Software, Data Management, PostgreSQL, SQL, Analytical Skills, Query Languages, Data Transformation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, Sampling (Statistics), Statistical Methods, Statistical Software, Microsoft Excel, Excel Formulas, Probability & Statistics, Statistics, Data Analysis, Regression Analysis, Statistical Inference, Probability Distribution, Data Analysis Software, Statistical Modeling, Analysis, Probability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, PySpark, Apache Spark, Data Quality, Data Store, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Lightweight Directory Access Protocols, System Monitoring, Scripting, Dashboard, Data Maintenance, Dashboard Creation, Business Intelligence, Scatter Plots, Pivot Tables And Charts, Servers, Data-Driven Decision-Making, Software Installation, Role-Based Access Control (RBAC), Dataflow, Data Pipelines, Authentications, Unstructured Data, Data Visualization Software, Data Visualization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Plot (Graphics), Data Manipulation, Plotly, Data Visualization, Web Scraping, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Data Processing, Data Cleansing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Lakes, Data Governance, Transaction Processing, Microsoft Azure, Security Controls, Data Architecture, Power BI, Data Warehousing, Dataflow, Data Management, Identity and Access Management, Azure Active Directory, Data Pipelines, Role-Based Access Control (RBAC), Data Integration, Query Languages, Data Integrity, Real Time Data, Data Quality, Data Transformation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours