Table 6.17 Hierarchy on intervals

	Variables:
     Y = Sales, interval [Ya, Yb]
	 Hierarchy variables:
	   X1 with values: a, b or c
	   X2 with values: If X1=a, then X2=a1 or a2; else X2=NA
       X3 with values: If X2=a1, then X3=a11 or a12; else X3=NA
       X4 = Volume, with values: If X1=a and X2=a2, then X4, interval [X4a, X4b]; else X4=NA
       X5 = Costs, with values: If X1=b, then X5. interval [X5a, X5b]; else X5=NA       
        a b c, a1 a2, a11 a12 values entered as indicators (0, 1), intervals [z,z]
        NA is entered as '.'

	input u Ya Yb a a b b c c a1 a1 a2 a2 a11 a11 a12 a12 X4a X4b X5a X5b

	  ---------------------------

  1 410 420  1 1 0 0 0 0  1 1 0 0  1 1 0 0   . .   . . 
  2 388 392  1 1 0 0 0 0  1 1 0 0  1 1 0 0   . .   . .
  3 378 384  1 1 0 0 0 0  1 1 0 0  1 1 0 0   . .   . . 
  4 381 389  1 1 0 0 0 0  1 1 0 0  1 1 0 0   . .   . .
  5 319 330  1 1 0 0 0 0  1 1 0 0  0 0 1 1   . .   . . 
  6 352 358  1 1 0 0 0 0  1 1 0 0  0 0 1 1   . .   . . 
  7 255 265  1 1 0 0 0 0  0 0 1 1  . . . .   9 11  . .
  8 251 259  1 1 0 0 0 0  0 0 1 1  . . . .  10 14  . .
  9 240 248  1 1 0 0 0 0  0 0 1 1  . . . .  11 13  . . 
 10 197 203  1 1 0 0 0 0  0 0 1 1  . . . .  17 23  . . 
 11 232 244  1 1 0 0 0 0  0 0 1 1  . . . .  13 17  . . 
 12 180 184  0 0 1 1 0 0  . . . .  . . . .   . .  38 42 
 13 162 168  0 0 1 1 0 0  . . . .  . . . .   . .  47 53 
 14 156 160  0 0 1 1 0 0  . . . .  . . . .   . .  50 60  
 15 149 151  0 0 1 1 0 0  . . . .  . . . .   . .  58 62 
 16 136 142  0 0 1 1 0 0  . . . .  . . . .   . .  66 74 
 17 119 121  0 0 1 1 0 0  . . . .  . . . .   . .  78 82 
 18  33  37  0 0 0 0 1 1  . . . .  . . . .   . .   . . 
 19  41  49  0 0 0 0 1 1  . . . .  . . . .   . .   . .  
 20  48  52  0 0 0 0 1 1  . . . .  . . . .   . .   . .