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.

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Social Media Analytics, Graph Theory, Machine Learning Methods, R (Software), Machine Learning, Machine Learning Software, Model Training, Machine Learning Algorithms, Model Optimization, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, Tensorflow, Data Ethics, Large Language Modeling, Applied Machine Learning
★ 4.4 (15) · Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Google Analytics, Email Marketing, Google Ads, WordPress, LinkedIn, Content Creation, Facebook, Content Marketing, Social Media, Social Media Marketing, Search Engine Marketing, Social Media Content, Web Analytics and SEO, Advertising Campaigns, Email Automation, Social Media Campaigns, Analytics, Keyword Research, ChatGPT, Bidding
★ 4.5 (26) · Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Decision Making, Creative Thinking, Problem Solving, Creative Problem-Solving, Decisiveness, Complex Problem Solving, Resourcefulness, Creativity, Curiosity, Strategic Thinking, Root Cause Analysis, Independent Thinking, Ethical Standards And Conduct, Risk Analysis, Innovation, Social Impact, Risk Management, Analysis, Data Collection, Collaboration
★ 4.7 (141) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Informatics, Decision Intelligence, Decision Support Systems, Solution Design, Health Technology, Health Care, Clinical Data Management, Health Information Management, Usability Testing, Requirements Elicitation, Electronic Medical Record, User Centered Design
★ 4.5 (109) · Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Governance, Management Accounting, Budgeting, Financial Modeling, Financial Data, Financial Forecasting, Accounting, Financial Analysis, Forecasting, Financial Acumen, Financial Statement Analysis, Financial Accounting, Financial Statements, Business Metrics, Business Management, Organizational Strategy, Strategic Decision-Making
★ 4.7 (322) · Beginner · Course · 1 - 3 Months

Skills you'll gain: ServiceNow, Service Level, Systems Administration, User Accounts, Service Management, User Provisioning, Database Application, Security Controls, Business Process Automation, Enterprise Application Management, Email Automation, Role-Based Access Control (RBAC), System Configuration, Identity and Access Management, Information Management, Data Security, Automation, Content Management, Scripting
★ 4.1 (32) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Machine Learning Methods, Applied Machine Learning, R (Software), Classification Algorithms, Statistical Machine Learning, Data Wrangling, Machine Learning Algorithms, Tidyverse (R Package), Machine Learning, Data Science, Ggplot2, Classification And Regression Tree (CART), Feature Engineering, Machine Learning Software, Data Preprocessing, Statistical Programming
Beginner · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AI Workflows, Agentic Workflows, Generative AI Agents, Generative AI, Amazon Web Services, AI Orchestration, Solution Architecture, AI Integrations, Artificial Intelligence, Data Quality, Model Optimization, Computer Vision, Fine-tuning, Scalability, Data Pipelines, Natural Language Processing
★ 4.6 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Brand Management, Brand Strategy, Branding, Marketing Analytics, Data-Driven Decision-Making, Sustainable Business, Governance, Stakeholder Engagement, Storytelling, Growth Strategies, Innovation, Communication
★ 4.7 (189) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Interactive Data Visualization, Power BI, Data Storytelling, Power Platform Architecture & Technical Design, Data Visualization Software, Key Performance Indicators (KPIs), Business Intelligence, Data Ethics, Microsoft Power Platform, Collaboration, Data-Driven Decision-Making, Statistical Reporting, Business Analytics, Data Management, Data Security, Performance Management, Continuous Deployment, Cloud-Based Integration
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Dashboard, Dashboard Creation, PySpark, Data Pipelines, Business Intelligence, Data Lakes, Data Persistence, JSON, Continuous Monitoring, Business Metrics
Intermediate · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Market Analysis, Supplier Risk Management, Supply Management, Supplier Management, Competitive Analysis, Strategic Sourcing, Supply Chain, Financial Analysis, Procurement, Market Dynamics, Supply Chain Management, Product Flow Diagram, Financial Statement Analysis, Market Opportunities, Risk Analysis, Market Share, Target Market, Financial Data, Competitive Intelligence, Financial Statements
★ 4.8 (167) · Beginner · Course · 1 - 4 Weeks