Running examples in ‘braQCA-Ex.R’ failed
The error most likely occurred in:

> ### Name: brQCA
> ### Title: Bootstrapped Recommendation
> ### Aliases: brQCA
> 
> ### ** Examples
> 
> data(rallies)
> P<-rallies$P
> R<-rallies$R
> C<-rallies$C
> U<-rallies$U
> 
> qca.data<-data.frame(P,R,C,U)
> rownames(qca.data)<-rownames(rallies)
> truth<-truthTable(qca.data,outcome="P",sort.by="incl",incl.cut1=0.7,show.cases=TRUE)
> truth

  OUT: output value
    n: number of cases in configuration
 incl: sufficiency inclusion score
  PRI: proportional reduction in inconsistency

    R  C  U    OUT    n   incl  PRI  
3   0  1  0     1     11  0.727 0.727
7   1  1  0     0     15  0.467 0.467
2   0  0  1     0     4   0.250 0.250
8   1  1  1     0     5   0.200 0.200
5   1  0  0     0     12  0.083 0.083
6   1  0  1     0     20  0.050 0.050
    cases                                                                                                                                                                                                                                                                                                   
3   Hillsborough County,Monroe County,Orange County,Palm Beach County,Miami-Dade County,Leon County,Volusia County,Flagler County,Broward County,Alachua County,Pinellas County                                                                                                                             
7   Bay County,Brevard County,Martin County,Sarasota County,Lee County,Nassau County,Manatee County,Okaloosa County,Clay County,Duval County,Collier County,St. Johns County,Seminole County,Lake County,Santa Rosa County                                                                                  
2   Osceola County,Gadsden County,St. Lucie County,Jefferson County                                                                                                                                                                                                                                         
8   Indian River County,Charlotte County,Walton County,Franklin County,Escambia County                                                                                                                                                                                                                      
5   Bradford County,Polk County,Wakulla County,Liberty County,Gilchrist County,Holmes County,Madison County,Levy County,Baker County,Lafayette County,Glades County,Dixie County                                                                                                                            
6   Taylor County,Columbia County,Suwannee County,Hendry County,Gulf County,Union County,Highlands County,Sumter County,Jackson County,Washington County,Putnam County,Okeechobee County,Citrus County,Hamilton County,Pasco County,Hernando County,Calhoun County,Hardee County,DeSoto County,Marion County

> mod1 <- minimize(truth,details=TRUE,show.cases=TRUE)
> mod1

M1: ~R*C*~U => P

            inclS   PRI   covS   covU  
-------------------------------------- 
1  ~R*C*~U  0.727  0.727  0.421    -   
-------------------------------------- 
   M1       0.727  0.727  0.421 

            cases 
----------------- 
1  ~R*C*~U  Hillsborough County,Monroe County,Orange County,Palm Beach County,Miami-Dade County,Leon County,Volusia County,Flagler County,Broward County,Alachua County,Pinellas County
----------------- 

> 
> brQCA(qca.data,outcome="P",ncut=1,sim=1)