Factor analysis of correlation matrices when the number of random variables exceeds the sample size

Business & Economics

• Sample Size 100%
• Factor Analysis 92%
• Correlation Matrix 89%
• Random Variables 74%
• Cancer 51%
• Mortality Rate 32%
• Inference 24%
• Bayesian Information Criterion 20%
• Factor Loadings 18%
• Surveillance 16%
• Test Statistic 15%
• Factors 15%
• Ad Hoc 14%
• Methodology 14%
• Small Sample 14%
• Data Collection 12%
• Simulation 9%
• United States of America 5%

Mathematics

• Factor Analysis 85%
• Correlation Matrix 85%
• Exceed 67%
• Sample Size 56%
• Random variable 51%
• Cancer 45%
• Mortality Rate 38%
• Methodology 21%
• Data Reduction 20%
• Group Sequential 19%
• Bayesian Information Criterion 19%
• Surveillance 18%
• Annual 16%
• Small Sample 14%
• Test Statistic 12%
• Interpretation 10%
• Infinity 9%
• Simulation 9%
• Estimate 6%

Engineering & Materials Science

• Factor analysis 83%
• Random variables 75%
• Genetics 49%
• Data reduction 42%
• Statistics 27%