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.

Board Infinity
Skills you'll gain: Google Analytics, Data Storytelling, Data Presentation, Data Literacy, Marketing Analytics, Web Analytics, Data Validation, Dashboard Creation, Data-Driven Marketing, Conversion Funnel Analysis, Data-Driven Decision-Making, Predictive Analytics, Verification And Validation, Information Privacy, Data Collection
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Cost Estimation, Project Estimation, Cost Management, Project Schedules, Estimation, Quality Management, Milestones (Project Management), Project Planning, Budget Management, Project Management, Scheduling, Timelines, Work Breakdown Structure, Budgeting, Resource Allocation, Dependency Analysis, Resource Management, Matrix Management, Network Model
★ 4.7 (9.4K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Microsoft Excel, Content Performance Analysis, Dashboard Creation, Data-Driven Marketing, Key Performance Indicators (KPIs), Marketing Analytics, Google Analytics, Web Analytics, Campaign Management, Performance Reporting, Performance Analysis, Dashboard, Data Analysis, Email Security, Market Data, Market Analysis, Market Intelligence, Strategic Marketing, Search Engine Optimization
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Smart Goals, Goal Setting, Interviewing Skills, Professional Networking, Artificial Intelligence and Machine Learning (AI/ML), Negotiation, Professional Development, Data Science, Artificial Intelligence, Machine Learning, Compensation and Benefits, Data Analysis, Web Presence, Recruitment, Data Literacy, Events and Conferences, Data Architecture, AI literacy, Relationship Building, Job Analysis
★ 4.6 (25) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Constructive Feedback, Empathy, Tactfulness, Rapport Building, Team Building, Trustworthiness, Communication Strategies, Anthropic Claude, Performance Management, ChatGPT, AI literacy, Emotional Intelligence, Empathy & Emotional Intelligence, AI Personalization, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Modeling, Excel Macros, Financial Analysis, Pivot Tables And Charts, Data Integrity, Bookkeeping, Excel Formulas, Trend Analysis, Balance Sheet, Reconciliation, Financial Data, Data Validation, Ledgers (Accounting), Data Quality, Spreadsheet Software, Microsoft Excel, Data Cleansing, Automation
Intermediate · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Competitive Intelligence, Demand Planning, Strategic Sourcing, Competitive Analysis, Customer Demand Planning, Data Storytelling, Procurement, Supplier Relationship Management, Supplier Risk Management, Supplier Management, Supply Chain, Purchasing, Regression Analysis, Supplier Performance Management, Inventory Control, Market Opportunities, Supply Chain Systems, Supply Chain Management, Business Intelligence, Data Analysis
★ 4.6 (2.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operational Efficiency, Leadership Studies, IT Service Management, Key Performance Indicators (KPIs), Stakeholder Management, Performance Measurement, Performance Metric, Stakeholder Communications, Service Level, Drive Engagement, Team Building, Service Management, Team Performance Management, Business Metrics, Business Leadership, Team Management, Business Communication, Performance Improvement, Data Analysis, Continuous Improvement Process
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Statistical Hypothesis Testing, Lean Six Sigma, Statistical Analysis, Continuous Improvement Process, Data Analysis, Analysis, Process Analysis, Process Improvement, Quality Improvement, Statistical Methods, Quality Monitoring, Quality Control, Process Improvement and Optimization, Root Cause Analysis, Data-Driven Decision-Making, Statistics, Statistical Inference
★ 4.6 (18) · Beginner · Course · 1 - 3 Months

The Expert Academy
Skills you'll gain: Service Recovery, Account Management, Account Strategy, Customer experience strategy (CX), Customer experience improvement, Rapport Building, Journey Mapping, Sales Strategy, Loyalty Programs, Customer Relationship Building, Customer Insights, Customer Retention, Emotional Intelligence, Relationship Management, Customer Service, Customer Success Management, Communication Strategies, Stakeholder Management, Data Analysis, Strategic Planning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: NoSQL, Operational Databases, Database Administration, Database Design, Database Architecture and Administration, Database Management, Data Migration, Google Cloud Platform, Scalability, Performance Tuning, Distributed Computing, Cloud Storage, Data Access, Cloud Security, Data Storage, Capacity Management, IT Automation, Disaster Recovery, Cloud Deployment, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Tensorflow, Keras (Neural Network Library), Model Training, Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
★ 4.6 (212) · Intermediate · Guided Project · Less Than 2 Hours