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.

Coursera
Skills you'll gain: Correlation Analysis, Seaborn, Data Cleansing, Data Visualization, Statistical Analysis, Data Manipulation, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Data Integration, Statistics, Infectious Diseases, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Clinical Data Management, Tidyverse (R Package), R Programming, Clinical Informatics, Google Cloud Platform, Data Ethics, SQL, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Ggplot2, Electronic Medical Record, Data Literacy, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Business Intelligence, Data Mining, Big Data, Predictive Analytics, Analytics, Data Modeling, MySQL, Business Analytics, Apache Hadoop, Star Schema, Unstructured Data, Database Design, SQL, Data Transformation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Probability & Statistics, Probability Distribution, Statistical Methods, Statistical Inference, Bayesian Statistics, Sampling (Statistics), Statistical Analysis, Data Ethics, Statistics, A/B Testing, Data Analysis, Data Science, Descriptive Statistics, Quantitative Research, Artificial Intelligence
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Security, Data Presentation, User Centered Design, Infographics, Statistical Visualization, User Experience Design, Technical Communication, Cybersecurity, Healthcare Ethics, Statistical Reporting, Authentications, Data Storytelling, Ethical Standards And Conduct, Information Privacy, Responsible AI, Analysis
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Tableau Learning Partner
Skills you'll gain: Data Visualization Software, Spatial Data Analysis, Tableau Software, Data Storytelling, Data Visualization, Statistical Visualization, Interactive Data Visualization, Data Presentation, Geospatial Information and Technology, Stakeholder Communications, Geospatial Mapping, Business Reporting, Data Analysis, Business Analytics
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Extract, Transform, Load, Data Processing, Data Import/Export, Semantic Web, Generative AI, Prompt Engineering, Document Management
Beginner · Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Graph Theory, Database Design, Big Data, Network Analysis, Analytics, Data Management, Query Languages, Computing Platforms, Scalability, Unsupervised Learning, Distributed Computing, Algorithms
Mixed · Course · 1 - 3 Months

Tableau Learning Partner
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Interactive Data Visualization, Tableau Software, Data-Driven Decision-Making, Data Visualization Software, Business Reporting, Data Analysis, Business Intelligence, Presentations, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Databases, PostgreSQL, Data Manipulation, Data Analysis, Virtual Machines
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Big Data, NoSQL, Apache Hadoop, Apache Kafka, Apache Spark, Real Time Data, Apache Cassandra, Data Ethics, Apache Hive, MongoDB, Data Storage Technologies, Data Lakes, Databases, Data Processing, Distributed Computing, Cloud Computing, Scalability
Build toward a degree
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: AWS SageMaker, AWS Kinesis, Data Integration, Data Lakes, Business Intelligence, Apache Hive, Apache Spark, Amazon Web Services, Extract, Transform, Load, Big Data, Apache Hadoop, Real Time Data, Applied Machine Learning, Data Pipelines, Data Processing, Serverless Computing
Intermediate · Course · 1 - 4 Weeks