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: Apache Hive, Big Data, JSON, Apache Hadoop, Dataflow, People Analytics, Analytics, Data Analysis, Data Pipelines, Data-Driven Decision-Making, Data Preprocessing, Data Processing, Data Transformation, Query Languages, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Business Intelligence Software, Marketing Analytics, Pivot Tables And Charts, Dashboard Creation, Dashboard, Data Visualization, Data-Driven Marketing, Power BI, Data Presentation, Google Analytics, Data Visualization Software, Microsoft Excel, Marketing, Data Collection, Data Analysis, Market Analysis, Market Intelligence, Market Research, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Dashboard, Data Visualization, Dashboard Creation, Spreadsheet Software, Data Presentation, Excel Formulas, Stakeholder Communications, Project Coordination, Project Management, Operational Efficiency, Project Planning, Prioritization, Scheduling, Decision Making, Performance Analysis, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Microsoft PowerPoint, Data Storytelling, Diagram Design, Trend Analysis
Intermediate · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Analytical Skills, Analytics, Data Visualization, Scientific Visualization, Trend Analysis, Data-Driven Decision-Making, Business Analytics, Statistical Analysis, Financial Modeling, Data Storytelling, Statistical Modeling, Predictive Modeling, Python Programming, Data Wrangling
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Healthcare Project Management, Health Technology, Change Control, Health Systems, Health Policy, Informatics, Health Care, Health Assessment, Medical Records, Health Care Administration, Healthcare Industry Knowledge, Health Information Management, Clinical Leadership, Health Administration, Decision Intelligence, Decision Support Systems, Solution Design, Data Science
★ 4.4 (1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Medical Office Procedures, Health Information Management and Medical Records, Data Management, Medical Records, Personally Identifiable Information, Data Security, Document Management, Security Controls, Information Privacy, Records Management, Taxonomy, Regulatory Compliance, Information Assurance, Risk Analysis, Process Mapping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Digital Transformation, Data Strategy, Google Cloud Platform, Cloud Storage, Data Warehousing, Looker (Software), Business Transformation, Big Data, Data Transformation, Data Storage, Analytics, Business Intelligence, Cloud Solutions, Dataflow, Data Management, Data Pipelines, Data Processing, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Social Studies, Social Sciences, Big Data, Sociology, Demography, Socioeconomics, Culture, Economics, Data Analysis, Analytics, World History, Quantitative Research
★ 4.5 (61) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Statistical Visualization, Dashboard Creation, Salesforce, Data Mapping, Graphing, Advanced Analytics
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Data Science, Applied Mathematics, Linear Algebra, Probability & Statistics, Derivatives
★ 4.6 (109) · Intermediate · Course · 1 - 4 Weeks