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.

Schneider Electric
Skills you'll gain: Data Centers, Sustainable Technologies, Internet Of Things, AI Enablement, Climate Change Mitigation, Electrical Power, Information Technology, Manufacturing Operations, Manufacturing Processes, Data Infrastructure, Electric Power Systems, Digital Transformation, Transportation Operations, AI Integrations, Automation, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Cloud Security, Personally Identifiable Information, Encryption, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Cyber Attacks, Medical Records, Health Technology, Information Privacy, Cloud Computing, Patient Safety
★ 4.8 (466) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Classification And Regression Tree (CART), Data-Driven Decision-Making, Minitab, Regression Analysis, Descriptive Statistics, Statistical Hypothesis Testing, Case Studies, Business Analytics, Strategic Decision-Making, Data Visualization, Analytics, Decision Tree Learning, Predictive Analytics, Estimation, Statistical Visualization, Probability & Statistics, Statistical Analysis, Data Analysis, Decision Making, Data Literacy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Plot (Graphics), Data Visualization, Graphing, Matplotlib, Data Visualization Software, Statistical Visualization, Graphical Tools, Data Analysis Software, Data Analysis, Python Programming
★ 4.8 (48) · Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Exploratory Data Analysis, Decision Making, Data Strategy, Complex Problem Solving, Design Thinking, Data-Driven Decision-Making, Organizational Effectiveness, Solution Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Epic EMR, Health Informatics, Data Mapping, Clinical Data Management, Data Dictionary, Clinical Documentation, Data Analysis, Electronic Medical Record, Extract, Transform, Load, Data Integrity, Data Import/Export, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Measurement, Business Intelligence Software, Interactive Data Visualization, Data Presentation, Analytics, Business Reporting, Dataflow, Anomaly Detection, Machine Learning
★ 4.2 (11) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Microsoft SQL Servers, Active Directory, Data Access, Authentications, Database Management, Databases, Data Governance, Key Management, Identity and Access Management, Firewall
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Data Governance, Process Improvement, Data Strategy, Process Mapping, Data-Driven Decision-Making, Data Visualization Software, Organizational Effectiveness, Organizational Leadership, Leadership Development, Strategic Decision-Making, Leadership, Change Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Data Modeling, Model Optimization, Estimation, Graphing, Mathematical Modeling, Data Analysis Software, Algebra, Cost Estimation, Mathematical Software, Linear Algebra, Trigonometry, General Mathematics, Advanced Mathematics, Analysis, Derivatives, Mathematical Theory & Analysis, Geometry, Data Analysis
★ 4.8 (391) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Excel Formulas, Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Analysis, Data Synthesis, Data Transformation, Data Cleansing, Data Manipulation, Data Management
★ 4.7 (343) · Beginner · Course · 1 - 3 Months