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: Statistical Visualization, Data Visualization Software, Data Visualization, Data Presentation, STATA (Software), Scatter Plots, Plot (Graphics), Box Plots, Exploratory Data Analysis, Histogram, Descriptive Statistics, Heat Maps, Graphing, Probability Distribution
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cloud Security, Data Security, Cloud Services, Cloud Storage, Personally Identifiable Information, General Data Protection Regulation (GDPR), Information Privacy, Data Management, Data Storage, Data Governance, Data Integrity, Security Controls, Analysis, Authorization (Computing), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Big Data, Data Processing, Data Analysis, Analysis
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Model Training, Decision Intelligence, Machine Learning Algorithms, Forecasting, Classification Algorithms, Dimensionality Reduction, Embeddings
Intermediate · Specialization · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Data Analysis Software, Data Processing, Data Analysis, Data Literacy, Molecular Biology, Metadata Management, Science and Research, R Programming, Spatial Data Analysis, Data Collection, Scientific Methods, Research, Cell Biology, Informatics, Biology, General Science and Research, Laboratory Techniques, Analysis, Research Methodologies
Intermediate · Specialization · 3 - 6 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 Wrangling, Data Science, Data Processing, Package and Software Management, Python Programming, Data Structures
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Programming, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Processing, Data Manipulation
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Pipelines, Apache Hadoop, Extract, Transform, Load, Dataflow, Data Transformation, Apache Hive, Data Strategy, Data-Driven Decision-Making, Big Data, Data Warehousing, Data Architecture, Apache Spark, Data Integration, Data Processing, Data Capture, Data Import/Export, Data Collection, Data Management, Data Analysis, Scalability
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Model Evaluation, Model Deployment, Supervised Learning, Feature Engineering, Predictive Modeling, Data Processing, Data Manipulation, Predictive Analytics, MLOps (Machine Learning Operations), Statistical Machine Learning, Web Frameworks, Classification Algorithms, Machine Learning Methods, Model Training, Data Visualization, Statistical Modeling, Interactive Data Visualization, Design Thinking, Machine Learning, Python Programming
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Governance, Data Loss Prevention, Gmail, Google Workspace, Information Management, Data Management, Data Security, Document Management, Records Management, Data Storage, Data Import/Export, Email Security, System Configuration
Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS (Software), SPSS, Analytics, Real Time Data, Apache Hadoop, Data Processing, Statistical Analysis, Data Analysis Software, Business Planning, Data Storage Technologies, Business Strategy, Business Strategies, Market Share, Distributed Computing, Machine Learning Algorithms, File Systems
Beginner · Course · 1 - 3 Months