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

2.3.4.2.3.

Doiron 4-8 Design

 Doiron 4-8 Design                                                              

 OBSERVATIONS   1   1   1   1

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

 RESTRAINT      +


 CHECK STANDARD     +               


 DEGREES OF FREEDOM  =   5


                SOLUTION MATRIX  
                 DIVISOR  =  8

 OBSERVATIONS     1       1      1      1

    Y(1)          0      -3     -2     -1
    Y(2)          0       1      2     -1
    Y(3)          0       1      2      3
    Y(4)          0       1     -2     -1
    Y(5)          0       3      2      1
    Y(6)          0      -1     -2      1
    Y(7)          0      -1     -2     -3
    Y(8)          0      -1      2      1
    R*            8       8      8      8

    R* = Value of the reference standard


 FACTORS FOR REPEATABILITY STANDARD DEVIATIONS 
 NOM FACTOR 
               1   1   1   1
  1  0.0000    +               
  1  0.6124        +           
  1  0.7071            +       
  1  0.6124                + 
  1  0.6124        +    
      

Explanation of notation and interpretation of tables