Constructing Multi-Vari Charts
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: SHWMULTI */
/* TITLE: Constructing Multi-Vari Charts */
/* PRODUCT: QC */
/* SYSTEM: ALL */
/* KEYS: Shewhart Charts, Box Charts, */
/* PROCS: SHEWHART */
/* DATA: */
/* */
/* REF: SAS/QC Software: Usage and Reference, Version 6, */
/* First Edition, Volume 1 and Volume 2 */
/* MISC: */
/* */
/****************************************************************/
data Parm;
length _phase_ $ 5 Wafer $ 2 position $ 1;
input _phase_ $ & Wafer $ & position $ Measure ;
datalines;
Lot A 01 L 2.42435
Lot A 01 B 2.44150
Lot A 01 C 2.42143
Lot A 01 T 2.44960
Lot A 01 R 2.50050
Lot A 02 L 2.68188
Lot A 02 B 2.57195
Lot A 02 C 2.54678
Lot A 02 T 2.65978
Lot A 02 R 2.69208
Lot A 03 L 2.18005
Lot A 03 B 2.13593
Lot A 03 C 2.44303
Lot A 03 T 2.29052
Lot A 03 R 2.25963
Lot B 01 L 2.46573
Lot B 01 B 2.44898
Lot B 01 C 2.52365
Lot B 01 T 2.74458
Lot B 01 R 2.88328
Lot B 02 L 2.37283
Lot B 02 B 2.14528
Lot B 02 C 2.53138
Lot B 02 T 2.47408
Lot B 02 R 2.56205
Lot B 03 L 2.93338
Lot B 03 B 2.32598
Lot B 03 C 2.52888
Lot B 03 T 2.60350
Lot B 03 R 2.68428
Lot C 01 L 2.31933
Lot C 01 B 2.15562
Lot C 01 C 2.26713
Lot C 01 T 2.43673
Lot C 01 R 2.45840
Lot C 02 L 2.46623
Lot C 02 B 2.35120
Lot C 02 C 2.32678
Lot C 02 T 2.59875
Lot C 02 R 2.56035
Lot C 03 L 2.34900
Lot C 03 B 2.17350
Lot C 03 C 2.36288
Lot C 03 T 2.38133
Lot C 03 R 2.33205
Lot D 01 L 2.74895
Lot D 01 B 2.52570
Lot D 01 C 2.61165
Lot D 01 T 2.79263
Lot D 01 R 2.61160
Lot D 02 L 2.41220
Lot D 02 B 2.38597
Lot D 02 C 2.42538
Lot D 02 T 2.50970
Lot D 02 R 2.45145
Lot D 03 L 2.52815
Lot D 03 B 2.41928
Lot D 03 C 2.49725
Lot D 03 T 2.51500
Lot D 03 R 2.55745
Lot E 01 L 2.46330
Lot E 01 B 2.29410
Lot E 01 C 2.26463
Lot E 01 T 2.36445
Lot E 01 R 2.35245
Lot E 02 L 2.63740
Lot E 02 B 2.15312
Lot E 02 C 2.47823
Lot E 02 T 2.55385
Lot E 02 R 2.71478
Lot E 03 L 2.42875
Lot E 03 B 2.37200
Lot E 03 C 2.40280
Lot E 03 T 2.41268
Lot E 03 R 2.37308
Lot F 01 L 2.73357
Lot F 01 B 2.48363
Lot F 01 C 2.52370
Lot F 01 T 2.70345
Lot F 01 R 2.78958
Lot F 02 L 2.29443
Lot F 02 B 2.37048
Lot F 02 C 2.39730
Lot F 02 T 2.44975
Lot F 02 R 2.39348
Lot F 03 L 2.72185
Lot F 03 B 2.37950
Lot F 03 C 2.66283
Lot F 03 T 2.74280
Lot F 03 R 2.60773
Lot G 01 L 2.80378
Lot G 01 B 2.54238
Lot G 01 C 2.65913
Lot G 01 T 2.63335
Lot G 01 R 2.81940
Lot G 02 L 2.43683
Lot G 02 B 2.32348
Lot G 02 C 2.34318
Lot G 02 T 2.37653
Lot G 02 R 2.58920
Lot G 03 L 2.69058
Lot G 03 B 2.42965
Lot G 03 C 2.66303
Lot G 03 T 2.65913
Lot G 03 R 2.84378
;
ods graphics off;
title 'Box-and-Whisker Display for Measured Parameter';
proc shewhart data=Parm;
boxchart Measure*Wafer /
nolimits
boxstyle = schematic
idsymbol = square
readphase = all
phaselegend
nolegend;
label Measure = 'Measurement'
Wafer = 'Wafer Within Lot';
run;
symbol v=none;
title 'Multi-Vari Display for Measured Parameter';
proc shewhart data=Parm;
boxchart Measure*Wafer /
nolimits
boxstyle = pointsjoin
idsymbol = square
cphaseboxfill = ywh
cphasebox = black
cphasemeanconnect = bib
phasemeansymbol = dot
readphase = all
phaselegend
nolegend;
label Measure = 'Measurement'
Wafer = 'Wafer Within Lot';
run;
symbol v=none;
title 'Multi-Vari Display for Measured Parameter';
proc shewhart data=Parm;
boxchart Measure*Wafer /
nolimits
cphaseboxfill = ywh
cphasemeanconnect = black
boxstyle = pointsid
phasemeansymbol = dot
readphase = all
phaselegend
nolegend;
label Measure = 'Measurement'
Wafer = 'Wafer Within Lot';
id position;
run;