# Lincoln, "Community structure and industrial conflict: an analysis of strike
#   activity in SMSAs. American Sociological Review, 1978, 43: 199-220.

Lincoln <- read.moments(names=c("UnionStaff", "Employment", "logWorkers", 
  "Unionized", "Strikes", "Strikers", "PersonDays"))
    0.007744                                      
    0.000635  0.000400                                
    0.052401  0.005077  1.065024                          
    0.006624  0.001471  0.066069  0.037636                    
    0.054564  0.012024  0.823108  0.137249  1.809025              
    0.084675  0.015990  1.131609  0.171958  2.025220  2.496400        
    0.103616  0.019572  1.325756  0.184820  1.969703  2.567911  2.989441