Documentation Example 1 for PROC PLS
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/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: PLSEX1 */
/* TITLE: Documentation Example 1 for PROC PLS */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: regression analysis, */
/* PROCS: PLS */
/* DATA: */
/* */
/* SUPPORT: RDT UPDATE: */
/* REF: */
/* MISC: */
/* */
/****************************************************************/
/* Example 1: Examining Model Details */
data pentaTrain;
input obsnam $ S1 L1 P1 S2 L2 P2
S3 L3 P3 S4 L4 P4
S5 L5 P5 log_RAI @@;
n = _n_;
datalines;
VESSK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
1.9607 -1.6324 0.5746 1.9607 -1.6324 0.5746
2.8369 1.4092 -3.1398 0.00
VESAK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
1.9607 -1.6324 0.5746 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 0.28
VEASK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
0.0744 -1.7333 0.0902 1.9607 -1.6324 0.5746
2.8369 1.4092 -3.1398 0.20
VEAAK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 0.51
VKAAK -2.6931 -2.5271 -1.2871 2.8369 1.4092 -3.1398
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 0.11
VEWAK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
-4.7548 3.6521 0.8524 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 2.73
VEAAP -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
-1.2201 0.8829 2.2253 0.18
VEHAK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
2.4064 1.7438 1.1057 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 1.53
VAAAK -2.6931 -2.5271 -1.2871 0.0744 -1.7333 0.0902
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 -0.10
GEAAK 2.2261 -5.3648 0.3049 3.0777 0.3891 -0.0701
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 -0.52
LEAAK -4.1921 -1.0285 -0.9801 3.0777 0.3891 -0.0701
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 0.40
FEAAK -4.9217 1.2977 0.4473 3.0777 0.3891 -0.0701
0.0744 -1.7333 0.0902 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 0.30
VEGGK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
2.2261 -5.3648 0.3049 2.2261 -5.3648 0.3049
2.8369 1.4092 -3.1398 -1.00
VEFAK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
-4.9217 1.2977 0.4473 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 1.57
VELAK -2.6931 -2.5271 -1.2871 3.0777 0.3891 -0.0701
-4.1921 -1.0285 -0.9801 0.0744 -1.7333 0.0902
2.8369 1.4092 -3.1398 0.59
;
/* Fit the PLS model */
proc pls data=pentaTrain;
model log_RAI = S1-S5 L1-L5 P1-P5;
run;
/* Fit the PLS model and produce the default graphics */
ods graphics on;
proc pls data=pentaTrain;
model log_RAI = S1-S5 L1-L5 P1-P5;
run;
/* Plot the X-scores versus the Y-scores */
proc pls data=pentaTrain nfac=4 plot=XYScores;
model log_RAI = S1-S5 L1-L5 P1-P5;
run;
/* Plot the parameter estimate profiles and the VIP */
proc pls data=pentaTrain nfac=2 plot=(ParmProfiles VIP);
model log_RAI = S1-S5 L1-L5 P1-P5;
run;
ods graphics off;
