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.

Packt
Skills you'll gain: Debugging, Go (Programming Language), Application Development, Program Development, Build Tools, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Software Development Tools, Software Installation, Programming Principles, Other Programming Languages, Command-Line Interface, Package and Software Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Employee Performance Management, Performance Management, Employee Surveys, Enterprise Risk Management (ERM), Occupational Safety And Health, Disciplinary Procedures, Labor Compliance, Data Security, Labor Law, Human Resource Policies, Occupational Safety and Health Administration (OSHA), Accident Prevention, Environment Health And Safety, Law, Regulation, and Compliance, Risk Management, Compliance Management, Workforce Management, Employee Engagement, Conflict Management, Organizational Change
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Reconciliation, Financial Statements, Financial Analysis, Balance Sheet, Financial Acumen, Business Metrics, Income Statement, Accounting, Bookkeeping, Analysis, Financial Data, Performance Analysis
★ 4.6 (843) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Administration, Database Architecture and Administration, Database Management, Relational Databases, Database Software, MySQL, Database Management Systems, IBM DB2, Operational Databases, PostgreSQL, Performance Tuning, Data Maintenance, Data Storage Technologies, Disaster Recovery, Application Performance Management, Role-Based Access Control (RBAC), Network Troubleshooting, IT Automation, User Accounts, Identity and Access Management
★ 4.5 (266) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Looker (Software), Pivot Tables And Charts, Data Modeling, Exploratory Data Analysis, Query Languages, Data Analysis
★ 5 (7) · Beginner · Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Pandas (Python Package), NumPy, Data Manipulation, Statistical Analysis, Jupyter, Data Structures, Data Cleansing, Data Processing, Pivot Tables And Charts, Data Science, Data Wrangling, Data Analysis, Data-Driven Decision-Making, Data Transformation, Exploratory Data Analysis, Python Programming, Statistical Hypothesis Testing, Data Import/Export, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lean Six Sigma, Six Sigma Methodology, Process Improvement and Optimization, Process Improvement, Regression Analysis, Statistics, Quality Improvement, Statistical Methods, Process Analysis, Probability & Statistics, Statistical Process Controls, Operational Analysis, Continuous Improvement Process, Process Optimization, Performance Improvement, Descriptive Statistics, Statistical Analysis, Process Capability, Statistical Modeling, Quality Control
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Variance Analysis, Cost Control, Cost Accounting, Cost Management, Operating Cost, Operational Efficiency, Management Accounting, Financial Data, Performance Analysis, Standard Accounting Practices, Cost Estimation, Performance Measurement, Budgeting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Qualitative Research, Market Research, Strategic Decision-Making, Key Performance Indicators (KPIs), Quantitative Research, Innovation, Target Audience, Data-Driven Decision-Making, Risk Mitigation, Sustainable Business, Benchmarking, Business Acumen, Value Propositions, Descriptive Statistics, Performance Measurement, Risk Management, Team Performance Management, Competitive Analysis, Business Strategy, Data Analysis
★ 4.6 (229) · Intermediate · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Process Improvement, Process Optimization, Correlation Analysis, Statistical Hypothesis Testing, Kaizen Methodology, Quality Improvement, Process Improvement and Optimization, Regression Analysis, Statistical Process Controls, Process Analysis, Continuous Improvement Process, Project Management, Quality Management, Quality Control, Cost Benefit Analysis, Statistical Inference, Document Control, Project Documentation
★ 4.7 (1.4K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Wealth Management, Tax Management, Tax Planning, Estate Planning, Tax Compliance, Financial Planning, Tax, Income Tax, Tax Laws, Financial Data, Depreciation, Asset Management, Insurance, Microsoft Excel, Goal Setting
Mixed · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Frontend Performance, Full-Stack Web Development, Unit Testing, Performance Tuning, JavaScript Frameworks, Frontend Integration, Code Reusability, Software Testing, Server Side, Software Design Patterns, UI Components, Data Validation, User Interface (UI)
Intermediate · Course · 1 - 3 Months