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.

University of Colorado Boulder
Skills you'll gain: Statistical Analysis, Matplotlib, Regression Analysis, Statistical Modeling, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Statistical Machine Learning, Machine Learning, Data Science, Environmental Policy, Data Analysis, Energy and Utilities, Data Visualization, Pandas (Python Package), Supervised Learning, Climate Change Mitigation, Anomaly Detection, Environment, Political Sciences
Intermediate · Specialization · 1 - 3 Months
O.P. Jindal Global University
Skills you'll gain: Econometrics, Surveys, Data Ethics, Environmental Laws, Sampling (Statistics), Social Sciences, Research Reports, Social Determinants Of Health, Matplotlib, Public Policies, Research Methodologies, Political Sciences, Economics, Policy, and Social Studies, Economic Development, Policy Analysis, International Relations, Diplomacy, Economics, Complex Problem Solving, Socioeconomics
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Performance Tuning, Performance Analysis, Microsoft Excel, Time Series Analysis and Forecasting, Microsoft Copilot, Business Intelligence, Data Modeling, Data Manipulation, Business Metrics, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Revenue Management, Hospitality Management, Competitive Analysis, Digital Marketing, Data-Driven Decision-Making, Stakeholder Communications, Forecasting, Budgeting, Demand Generation, Hotel Operations, Asset Management, Hospitality, Marketing, Financial Forecasting, Strategic Marketing, Target Market, Financial Analysis, Strategic Planning, Marketing Channel, Business Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Operations Research, Supply Chain, Workforce Management, Business Analytics, Applied Mathematics, Mathematical Modeling, Process Optimization, Manufacturing Operations, Operations Management, Workforce Planning, Financial Modeling, Business Analysis, Microsoft Excel, Resource Allocation, Finance, Analytics, Production Planning, Portfolio Management, Investment Management, Decision Making
Beginner · Course · 1 - 4 Weeks
Logical Operations
Skills you'll gain: Prompt Engineering, Generative AI, Prompt Engineering Tools, Prompt Patterns, Multimodal Prompts, Data Ethics, Responsible AI, Image Quality, Business Ethics, Presentations, Photo Editing, Creativity, Artificial Intelligence, Photo/Video Production and Technology, Graphic and Visual Design, Promotional Materials, Design, Customer Service, Marketing
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Digital Marketing, Search Engine Optimization, Keyword Research, ChatGPT, Content Development and Management, Web Content, Content Performance Analysis, Technical Writing, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Retention, Customer Analysis, Business Metrics, Data Analysis, Performance Metric, Customer Insights, Analysis, Performance Measurement, Trend Analysis, Benchmarking, Key Performance Indicators (KPIs), Pareto Chart, Data-Driven Decision-Making, Customer experience strategy (CX), Descriptive Analytics, Predictive Analytics, Root Cause Analysis, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Customer experience improvement, Salesforce, Cloud-Based Integration, Operational Excellence, Data Integration, Amazon Web Services, Systems Integration, Strategic Partnership, Customer Service, Business Solutions, Business Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jira (Software), Issue Tracking, Investigation, Data Quality, Data Validation, Data Integrity, Reconciliation, Change Control, Anomaly Detection, Dependency Analysis, Verification And Validation, Trend Analysis, Analysis, Project Documentation, Auditing, Workflow Management, Project Management, Leadership and Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Risk
Beginner · Course · 1 - 4 Weeks