PERFORM Output
Graphics Output
Histograms of combined data or individual process streams, with specification limits
Box-and-Whisker Plots with specification limits
X-Charts by Process Stream
Run charts by Process Stream, with specification limits
Combined data showing all process streams through time
Process Performance Analysis stacked bar chart
Process Performance Analysis opportunity bar Charts
Process Performance Analysis variance components
PROCESS PERFORMANCE ANALYSIS
7/27/98
Title:
Example File
Data File:
D:\data\Example.dat
Variables:
Measures: Height
Groups: Station 1 to 22
Specifications:
USL = 103.0000 Target = 98.0000
LSL = 93.0000
Process Stream Analysis:
Group n Mean Low High Range Std Std(MMR)
1 134 98.37 96.26 99.98 3.72 0.63 0.26
2 134 100.22 99.15 101.08 1.93 0.40 0.24
3 134 99.73 97.48 100.79 3.31 0.77 0.26
4 134 100.56 99.55 101.39 1.84 0.29 0.22
5 134 100.36 99.50 100.99 1.49 0.29 0.23
6 134 100.29 98.29 101.21 2.92 0.59 0.24
7 134 101.22 100.63 102.06 1.43 0.33 0.24
8 134 102.21 101.50 102.94 1.44 0.32 0.26
9 134 100.34 97.93 101.26 3.33 0.79 0.18
10 134 98.97 98.38 99.58 1.20 0.24 0.15
11 134 101.18 100.61 101.94 1.33 0.26 0.21
12 134 100.16 97.93 101.48 3.55 0.67 0.25
13 134 101.38 99.94 102.06 2.12 0.28 0.24
14 134 100.33 99.15 100.93 1.78 0.34 0.23
15 134 100.27 98.26 101.14 2.88 0.68 0.23
16 134 100.56 99.59 101.94 2.35 0.45 0.19
17 134 100.47 96.41 102.20 5.79 1.27 0.23
18 134 101.30 99.55 101.96 2.41 0.49 0.22
19 134 100.25 99.15 101.43 2.28 0.54 0.21
20 134 100.80 98.61 101.76 3.15 0.71 0.24
21 134 100.57 98.19 101.61 3.42 0.80 0.27
22 134 101.06 99.53 102.63 3.10 0.49 0.27
SQRT(MSW) = Avg Std Dev within = 0.58
AVG Std(MMR) = Avg Std Dev from Median Moving Range = 0.23
Descriptives:
n = 2948
Mean = 100.4816
Std. Dev = 0.9788
Low = 96.2600
Q1 = 100.0650
Median = 100.5900
Q3 = 101.1400
High = 102.9400
Skewness = -0.732
Kurtosis = 0.759
Variance Components:
Total Variance About Target = 7.1165 100.00%
Off-target Variance = 6.1584 86.54%
Potential Variance = 0.0534 0.75%
Process Stream Variance = 0.6190 8.70%
Time(Control) Variance = 0.2856 4.01%
Performance:
%Off-Target = 24.82%
Max Stream Mean = 102.2103
Min Stream Mean = 98.3680
%Process Stream Difference = 38.42%
Ppk = 0.858
Ppm = 0.625
Pp = 1.703
Pp(Stream)= 2.862
Cp(pot) = 7.212
n = 2948
Above USL = 0
Below LSL = 0
Total Out = 0 (0 ppm)