MSA分析的结果解读

下面是我做的一个MSA的结果，到现在我还是不明白两个source有何区别，应该以那个为准？


Gage R&R for Measurement


Gage R&R Study - ANOVA Method

Two-Way ANOVA Table With Interaction

Source DF SS MS F P
Part 9 186.934 20.7705 20.7903 0.000
Operator 2 6.346 3.1732 3.1763 0.066
Part * Operator 18 17.983 0.9990 1.6222 0.117
Repeatability 30 18.475 0.6158
Total 59 229.739


Alpha to remove interaction term = 0.25


Gage R&R

%Contribution
Source VarComp (of VarComp)
Total Gage R&R 0.91615 21.75
Repeatability 0.61584 14.62
Reproducibility 0.30031 7.13
Operator 0.10871 2.58
Operator*Part 0.19160 4.55
Part-To-Part 3.29524 78.25
Total Variation 4.21139 100.00


Process tolerance = 30


Study Var %Study Var %Tolerance
Source StdDev (SD) (6 * SD) (%SV) (SV/Toler)
Total Gage R&R 0.95716 5.7429 46.64 19.14
Repeatability 0.78475 4.7085 38.24 15.70
Reproducibility 0.54801 3.2880 26.70 10.96
Operator 0.32971 1.9783 16.07 6.59
Operator*Part 0.43772 2.6263 21.33 8.75
Part-To-Part 1.81528 10.8917 88.46 36.31
Total Variation 2.05217 12.3130 100.00 41.04


Number of Distinct Categories = 2