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2. Measurement Process Characterization
2.3. Calibration
2.3.4. Catalog of calibration designs
2.3.4.2. Drift-elimination designs for gage blocks

2.3.4.2.12.

Drift-eliminating design for 4 gage blocks

 CAMERON-HAILES DESIGN FOR 4 GAGE BLOCKS + DRIFT

 OBSERVATIONS   1   1   1   1

     Y(1)       1  -1   0   0
     Y(2)      -1   0   0   1
     Y(3)       0   0   1  -1
     Y(4)       0   1  -1   0
     Y(5)       0   1   0  -1
     Y(6)      -1   0   0   1
     Y(7)       1   0  -1   0
     Y(8)       0  -1   1   0
                                      
 RESTRAINT      +   +
                         

 CHECK STANDARD +   -                                           


 DEGREES OF FREEDOM  =     4


                              SOLUTION MATRIX  
                              DIVISOR = 168

 OBSERVATIONS      1      1      1      1     Drift


    Y(1)          35    -35     -7      7     -7
    Y(2)         -14     14     14     42     -5
    Y(3)          -7      7     35    -35     -3
    Y(4)         -14     14    -42    -14     -1
    Y(5)         -21     21     -7    -49      1
    Y(6)         -14     14     14     42      3
    Y(7)          21    -21    -49     -7      5
    Y(8)          14    -14     42     14      7
    R*            84     84     84     84      0   
                                             
    R* = Sum of the two reference standards


  FACTORS FOR REPEATABILITY STANDARD DEVIATIONS 
  NOM FACTOR 
               1   1   1   1
  1  0.3227    +
  1  0.3227        +
  1  0.5204            +
  1  0.5204                +
  0  0.6455    +   -                              
      
Explanation of notation and interpretation of tables
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