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.

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS, Analytics, Real Time Data, Apache Hadoop, Data Processing, Business Analytics, Statistical Analysis, Data Analysis Software, Business Strategy, Market Share, Distributed Computing, Scalability
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Presentations, SQL, Descriptive Statistics, Data Storytelling, Data Analysis, Peer Review, Exploratory Data Analysis, Statistical Analysis, Data Modeling, Performance Metric, Business Analytics, Text Mining, Data Science, Target Audience, Data Manipulation, Proposal Development
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Sampling (Statistics), Exploratory Data Analysis, Probability Distribution, R Programming, Statistical Software, Bayesian Statistics, Probability, Data Analysis, Quantitative Research, Statistics, Statistical Inference, Descriptive Statistics
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Seaborn, Matplotlib, Data Transformation, Plot (Graphics), Pandas (Python Package), Data Manipulation, Data Visualization Software, NumPy, Data Visualization, Data Analysis, Scatter Plots, Data Science, Jupyter, Graphing, Data Processing, Box Plots, Python Programming, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Marketing Analytics, Probability & Statistics, Statistical Methods, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Marketing Effectiveness, Statistical Hypothesis Testing, Customer Insights, Customer Analysis, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Marketing Strategies, Exploratory Data Analysis, Statistical Visualization, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Bioinformatics, Ggplot2, Visualization (Computer Graphics), R (Software), Dimensionality Reduction, Scatter Plots, R Programming, Network Analysis, Exploratory Data Analysis, Heat Maps, Molecular Biology, Design Thinking
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Data Manipulation, Statistical Visualization, Data Science, Data Import/Export, Python Programming
Intermediate · Course · 1 - 4 Weeks

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, Data Analysis Software, NumPy, Virtual Environment
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Governance, Data Strategy, Data Management, Data Pipelines, Data Integrity, General Data Protection Regulation (GDPR), Data Quality, Dataflow, Technical Communication, Personally Identifiable Information, Compliance Auditing, Jira (Software), Regulation and Legal Compliance, Project Planning, Data Storage, Process Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Warehousing, SQL, Data Governance, Data Management, Oracle Databases, Database Management Systems, Relational Databases, Business Intelligence, Data Integration, Data Architecture, Big Data, Analytics, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Analysis, Data Science, Python Programming, Data Structures, Exploratory Data Analysis, Data Manipulation, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java, Algorithms, Object Oriented Programming (OOP), Software Design, Theoretical Computer Science, Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months