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: SQL, Data Presentation, Business Analysis, Data Analysis, Query Languages, Databases
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Presentation, Dashboard Creation, Business Reporting, Business Intelligence Software, Data Analysis Software
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Excel Macros, Analytics, Accounting Software, Specialized Accounting, Analytical Skills, Accounting Systems, Business Analytics, Microsoft Excel, Spreadsheet Software, Data Collection, Data-Driven Decision-Making, Data Analysis, Predictive Analytics, Data Architecture
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Data Security, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Cryptographic Protocols, Public Key Infrastructure, Authentications, Key Management, Identity and Access Management, Web Development, Application Security, Web Applications, Data Integrity, Multi-Factor Authentication, Security Strategy
Beginner · Course · 1 - 4 Weeks
STARWEAVER
Skills you'll gain: Medical Privacy, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Health Information Management, Incident Management, Data Security, Risk Management Framework, Cyber Risk, Risk Management, Regulatory Compliance, Health Care Procedure and Regulation, Health Information Management and Medical Records, Data Management, Cybersecurity, Health Technology, Healthcare Industry Knowledge, Health Care Administration, Compliance Management, Cyber Security Assessment
Advanced · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Logistic Regression, Model Evaluation, Statistical Inference, Predictive Analytics, R Programming, Predictive Modeling, Probability & Statistics, Statistical Modeling, Statistical Methods, Biostatistics, Regression Analysis, Statistical Analysis, Statistical Hypothesis Testing, Data Analysis, Epidemiology, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Healthcare Ethics, Statistical Methods, Statistical Machine Learning, Patient Communication, Health Care Procedure and Regulation, Model Evaluation, Clinical Research, Data Ethics, Probability & Statistics, Health Technology, Health Informatics, Decision Intelligence, Health Policy, Responsible AI, Machine Learning, Applied Machine Learning, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Integrations, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, Mainframe Computing, Mainframe Technologies, Relational Databases, File I/O, File Management, Data Management, Database Theory, Databases, Database Management Systems, Data Storage, Data Access, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Presentation, Data Storytelling, Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Exploratory Data Analysis, Analytical Skills, Business Analysis, Data Wrangling, Strategic Decision-Making, Case Studies, Data Manipulation, Data Cleansing, Python Programming, Data Import/Export, Promotional Strategies
Beginner · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Data Analysis Expressions (DAX), Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Processing, Data Presentation, Data Transformation, Data Analysis, Data Visualization, Data Manipulation, Descriptive Statistics, Statistical Analysis
Beginner · Course · 1 - 4 Weeks