MDS Plots of Group & Individual Configuration Spaces
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: mdsindsp */
/* TITLE: MDS Plots of Group & Individual Configuration Spaces*/
/* PRODUCT: stat */
/* SYSTEM: all */
/* KEYS: multidimensional scaling, */
/* PROCS: mds plot */
/* DATA: */
/* */
/* SUPPORT: saswfk UPDATE: 8/10/2007 */
/* REF: */
/* MISC: */
/* */
/****************************************************************/
title 'MDS Plots of Group & Individual Configuration Spaces';
title2 'Judged Similarity of Common Computer Languages';
data language;
input (Algol APL Assembly Basic C Cobol Fortran
JCL Lisp Machine Matrix Pascal PLI Snobol) (1.) Subject $ 20-27;
retain Subr ' ';
if subject = ' ' then subject = subr; else subr = subject;
datalines;
0 Charlie
1
20
312
3121
30111
312623
2132122
21211111
006000000
2700221020
61112731111
711527312128
2310110111021
0 Dave D.
4
20
537
5562
30575
752723
0701211
47114213
108433202
7824326750
76927542531
753286426216
6521642281326
0 Wayne M.
1
11
511
5125
90142
321953
0031111
62143310
117011110
3318416010
51184441315
512854514158
6116374141477
0 Craige
5
33
654
6834
55664
765554
1181111
56336342
229475412
4724516151
86358461636
863564616368
6534535282465
0 Warren
3
10
433
6233
41253
422544
0010000
24002110
005101020
4703212020
83147440104
731465401057
1221120030012
0 Dale
0
10
412
6123
41222
723754
1001122
04013111
009111122
4725223141
81224121416
812223414168
4222211131463
0 Ed
4
40
554
7327
50244
732444
0000000
50244353
209221205
3812200041
55467362632
943685726328
4225483231055
0 Blair
3
11
431
5422
32113
541544
2163121
32012111
001000000
5612425010
55226151004
642264510046
2101111020211
0 John
1
00
553
5145
20354
510313
0000000
21116200
005111000
4503204010
61044440005
720556665358
2301211000112
0 Ginger
3
60
505
9085
40244
606964
0000000
46320520
009282503
3805426063
90758580372
907586703729
4004472063755
;
proc sort data=language;
by subject;
run;
ods graphics on;
proc mds fit=squared data=language similar=10 level=ordinal untie
coef=diagonal out=out pfit;
var algol--snobol;
subject subject;
title3 'Individual Differences Analysis with UNTIE';
run;
proc sql;
create table inspace as /* data set to contain individual spaces */
select outa.dim1*outb.dim1 as indim1, /* muliply configuration ...*/
outa.dim2*outb.dim2 as indim2, /* by dimension coeficients */
outa._name_ as Language, /* use nicer name */
outb.subject as Subject
from out as outa, out as outb /* join data set with itself */
where outa._type_='CONFIG' and /* select group configuration */
outb._type_='DIAGCOEF' /* select dimension coeficients */
order by subject; /* sort by subject */
run;
proc template;
define statgraph plot;
begingraph;
entrytitle 'Individual Configuration Spaces';
layout overlayequated / equatetype=fit;
scatterplot y=indim2 x=indim1 / datalabel=language;
endlayout;
endgraph;
end;
run;
proc sgrender data=inspace template=plot;
by subject;
label indim1 = 'Dimension 1' indim2 = 'Dimension 2';
run;
ods graphics off;
