bread: Breakfast preferences

Description Usage Format References Examples

Description

The data set is described in Bro (1998). The raw data consist of ratings of 10 breads on 11 different attributes carried out by 8 raters. Note that the bread samples are pairwise replications: Each of the 5 different breads, which have a different salt content, was presented twice for rating.

Usage

1

Format

A list of length 8 with elements of class "dist". The attributes are bread odor, yeast odor, off-flavor, color, moisture, dough, salt taste, sweet taste, yeast taste, other taste, and total taste.

References

Bro, R. (1998). Multi-way Analysis in the Food Industry: Models, Algorithms, and Applications. Ph.D. thesis, University of Amsterdam (NL) & Royal Veterinary and Agricultural University (DK).

Examples

1

Example output

Loading required package: plotrix

Attaching package: 'smacof'

The following object is masked from 'package:base':

    transform

$`1`
         Bread1.1 Bread1.2 Bread2.1 Bread2.2 Bread3.1 Bread3.2 Bread4.1
Bread1.2 3.316625                                                      
Bread2.1 6.855655 8.246211                                             
Bread2.2 6.782330 8.774964 3.872983                                    
Bread3.1 5.291503 7.416198 4.795832 4.898979                           
Bread3.2 7.615773 8.306624 3.000000 4.000000 6.164414                  
Bread4.1 6.708204 8.000000 5.099020 6.557439 3.605551 6.082763         
Bread4.2 6.324555 7.810250 4.795832 6.480741 2.828427 6.324555 1.732051
Bread5.1 6.403124 8.000000 5.099020 5.385165 3.316625 5.567764 2.000000
Bread5.2 6.164414 7.416198 5.567764 4.690416 3.464102 5.291503 5.000000
         Bread4.2 Bread5.1
Bread1.2                  
Bread2.1                  
Bread2.2                  
Bread3.1                  
Bread3.2                  
Bread4.1                  
Bread4.2                  
Bread5.1 3.000000         
Bread5.2 4.898979 3.872983

$`2`
          Bread1.1  Bread1.2  Bread2.1  Bread2.2  Bread3.1  Bread3.2  Bread4.1
Bread1.2  3.162278                                                            
Bread2.1  9.797959  8.831761                                                  
Bread2.2 10.440307  9.643651  3.605551                                        
Bread3.1  9.486833  8.602325  5.830952  6.557439                              
Bread3.2  6.244998  5.744563  6.403124  7.483315  5.385165                    
Bread4.1  9.539392  9.000000  8.062258  9.165151  6.855655  8.246211          
Bread4.2  8.000000  7.745967  7.483315  8.888194  7.071068  7.141428  3.000000
Bread5.1  8.888194  8.426150  6.855655  6.782330  3.872983  6.633250  4.690416
Bread5.2 10.344080  9.949874  7.000000  6.164414  4.795832  7.071068  6.164414
          Bread4.2  Bread5.1
Bread1.2                    
Bread2.1                    
Bread2.2                    
Bread3.1                    
Bread3.2                    
Bread4.1                    
Bread4.2                    
Bread5.1  5.385165          
Bread5.2  7.000000  2.828427

$`3`
          Bread1.1  Bread1.2  Bread2.1  Bread2.2  Bread3.1  Bread3.2  Bread4.1
Bread1.2  4.898979                                                            
Bread2.1  6.000000  7.348469                                                  
Bread2.2  6.403124  6.855655  2.236068                                        
Bread3.1  8.000000  8.246211  4.242641  3.872983                              
Bread3.2  6.480741  7.348469  4.000000  3.000000  4.472136                    
Bread4.1  8.062258  7.937254  5.744563  4.690416  5.000000  2.645751          
Bread4.2  9.591663 10.099505  7.071068  6.244998  7.211103  4.000000  3.605551
Bread5.1  6.403124  6.708204  4.582576  4.242641  5.196152  3.316625  4.000000
Bread5.2  8.000000  8.124038  5.656854  5.000000  6.480741  3.464102  3.316625
          Bread4.2  Bread5.1
Bread1.2                    
Bread2.1                    
Bread2.2                    
Bread3.1                    
Bread3.2                    
Bread4.1                    
Bread4.2                    
Bread5.1  6.082763          
Bread5.2  3.741657  3.316625

$`4`
         Bread1.1 Bread1.2 Bread2.1 Bread2.2 Bread3.1 Bread3.2 Bread4.1
Bread1.2 3.162278                                                      
Bread2.1 9.433981 8.426150                                             
Bread2.2 7.615773 6.000000 4.795832                                    
Bread3.1 7.937254 7.000000 3.162278 3.316625                           
Bread3.2 8.124038 6.324555 4.582576 3.162278 4.123106                  
Bread4.1 9.486833 8.944272 5.196152 7.348469 5.744563 6.164414         
Bread4.2 8.246211 7.745967 4.582576 5.830952 4.123106 5.477226 2.828427
Bread5.1 9.643651 7.937254 4.898979 6.082763 6.000000 5.196152 5.196152
Bread5.2 8.306624 7.000000 3.464102 4.358899 3.162278 3.000000 5.385165
         Bread4.2 Bread5.1
Bread1.2                  
Bread2.1                  
Bread2.2                  
Bread3.1                  
Bread3.2                  
Bread4.1                  
Bread4.2                  
Bread5.1 5.385165         
Bread5.2 4.795832 4.898979

$`5`
         Bread1.1 Bread1.2 Bread2.1 Bread2.2 Bread3.1 Bread3.2 Bread4.1
Bread1.2 3.000000                                                      
Bread2.1 8.062258 8.124038                                             
Bread2.2 6.633250 6.082763 3.316625                                    
Bread3.1 7.348469 7.416198 2.236068 3.741657                           
Bread3.2 5.916080 5.830952 3.741657 2.645751 3.000000                  
Bread4.1 9.746794 9.486833 5.099020 5.916080 5.196152 6.324555         
Bread4.2 8.000000 7.681146 6.403124 6.324555 5.477226 6.403124 5.385165
Bread5.1 8.000000 7.280110 4.582576 3.741657 4.472136 4.582576 6.855655
Bread5.2 7.483315 6.855655 4.795832 3.464102 4.472136 3.872983 5.744563
         Bread4.2 Bread5.1
Bread1.2                  
Bread2.1                  
Bread2.2                  
Bread3.1                  
Bread3.2                  
Bread4.1                  
Bread4.2                  
Bread5.1 6.324555         
Bread5.2 5.656854 2.449490

$`6`
         Bread1.1 Bread1.2 Bread2.1 Bread2.2 Bread3.1 Bread3.2 Bread4.1
Bread1.2 3.605551                                                      
Bread2.1 5.656854 6.244998                                             
Bread2.2 8.185353 8.717798 6.244998                                    
Bread3.1 7.000000 8.717798 6.708204 6.164414                           
Bread3.2 7.000000 8.246211 7.280110 5.291503 2.828427                  
Bread4.1 8.717798 9.000000 6.782330 6.855655 5.196152 6.244998         
Bread4.2 8.888194 9.055385 6.557439 5.291503 4.898979 5.099020 3.872983
Bread5.1 7.348469 8.185353 4.690416 5.916080 5.744563 6.708204 5.656854
Bread5.2 9.165151 9.539392 5.656854 6.855655 6.082763 7.549834 4.000000
         Bread4.2 Bread5.1
Bread1.2                  
Bread2.1                  
Bread2.2                  
Bread3.1                  
Bread3.2                  
Bread4.1                  
Bread4.2                  
Bread5.1 5.385165         
Bread5.2 4.358899 3.464102

$`7`
          Bread1.1  Bread1.2  Bread2.1  Bread2.2  Bread3.1  Bread3.2  Bread4.1
Bread1.2  6.000000                                                            
Bread2.1  9.380832  9.165151                                                  
Bread2.2  8.306624  8.544004  4.582576                                        
Bread3.1  6.633250  7.615773  5.291503  2.645751                              
Bread3.2 10.099505  9.695360  3.464102  4.123106  5.656854                    
Bread4.1  9.327379 10.908712  9.327379  6.164414  5.385165  9.219544          
Bread4.2  8.888194 11.000000  9.949874  7.348469  7.000000  9.327379  4.690416
Bread5.1  7.615773  7.483315  5.830952  4.123106  3.162278  5.656854  6.855655
Bread5.2  9.000000  8.306624  6.557439  5.291503  4.582576  6.403124  6.480741
          Bread4.2  Bread5.1
Bread1.2                    
Bread2.1                    
Bread2.2                    
Bread3.1                    
Bread3.2                    
Bread4.1                    
Bread4.2                    
Bread5.1  8.544004          
Bread5.2  7.071068  5.196152

$`8`
          Bread1.1  Bread1.2  Bread2.1  Bread2.2  Bread3.1  Bread3.2  Bread4.1
Bread1.2  3.464102                                                            
Bread2.1 10.770330 10.677078                                                  
Bread2.2 11.958261 11.000000  4.123106                                        
Bread3.1  9.539392  9.539392  7.141428  7.745967                              
Bread3.2 11.180340 10.148892  6.403124  5.099020  5.477226                    
Bread4.1 11.489125 10.954451  9.165151  7.937254  6.708204  4.358899          
Bread4.2 12.369317 11.445523  9.643651  8.246211  6.782330  4.242641  3.000000
Bread5.1 11.045361 10.954451  6.928203  6.855655  5.916080  3.872983  4.000000
Bread5.2 10.770330 10.677078  8.246211  7.810250  4.795832  4.358899  3.162278
          Bread4.2  Bread5.1
Bread1.2                    
Bread2.1                    
Bread2.2                    
Bread3.1                    
Bread3.2                    
Bread4.1                    
Bread4.2                    
Bread5.1  4.358899          
Bread5.2  4.123106  2.828427

smacof documentation built on Feb. 11, 2021, 3 a.m.