1THIS IS DATAPLOT DATA FILE UCC.DAT
2PURPOSE--ILLUSTRATE U CONTROL CHART
3NUMBER OF CRACKS IN PLASTIC WIRE AFTER REFRIDGERATION AND FLEXING
4DATE--JULY 1990
5NUMBER OF OBSERVATIONS = 20
6NUMBER OF VARIABLES = 3
7ORDER OF VARIABLES ON A LINE IMAGE--
8   1. NUMBER OF DEFECTS (CRACKS) PER SPECIMEN
9   2. SIZE (LENGTH) OF SPECIMEN (IN METERS)
10   3. SUBGROUP ID (1 TO 20)
11STATISTICAL AREAS--U CONTROL CHART
12REFERENCE--ISHIKAWA, GUIDE TO QUALITY CONTROL, PAGES 81-83
13TO READ THIS FILE INTO DATAPLOT--
14   SKIP 25
15   READ UCC.DAT NUMDEF SIZE X
16   CHARACTERS CONTROL CHART
17   LINES CONTROL CHART
18   U CONTROL CHART NUMDEF SIZE X
19   LET N1 = SUM NUMDEF; LET N2 = SUM SIZE; LET M = 100*(N1/N2)
20   SPIKE ON; SPIKE BASE M; CHARACTER FILL ON
21   U CONTROL CHART NUMDEF SIZE X
22
23NUMBER OF      LENGTH OF  SUB-GROUP
24 DEFECTS       SPECIMEN
25-------------------------------------
26    4             2.0         1
27    3             2.0         2
28    3             2.0         3
29    4             2.0         4
30    5             2.0         5
31    3             2.0         6
32    6             2.5         7
33    7             2.5         8
34    5             2.5         9
35    3             2.5        10
36    5             2.5        11
37    5             2.5        12
38    4             2.5        13
39    6             2.25       14
40    5             2.25       15
41    4             2.25       16
42    4             2.25       17
43    6             2.25       18
44    8             2.75       19
45    8             2.75       20
46