Documentation Example 2 for PROC LOESS
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: loessex2 */
/* TITLE: Documentation Example 2 for PROC LOESS */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: Local Regression */
/* PROCS: LOESS */
/* DATA: */
/* */
/* SUPPORT: Robert Cohen */
/* REF: */
/* MISC: */
/****************************************************************/
data SO4;
input Latitude Longitude SO4 @@;
format Latitude f4.0;
format Longitude f4.0;
format SO4 f4.1;
datalines;
32.45833 87.24222 1.403 34.28778 85.96889 2.103
33.07139 109.86472 0.299 36.07167 112.15500 0.304
31.95056 112.80000 0.263 33.60500 92.09722 1.950
34.17944 93.09861 2.168 36.08389 92.58694 1.578
36.10056 94.17333 1.708 39.00472 123.08472 0.096
36.56694 118.77722 0.259 41.76583 122.47833 0.065
34.80611 119.01139 0.053 38.53528 121.77500 0.135
37.44139 105.86528 0.247 38.11778 103.31611 0.326
39.99389 105.48000 0.687 39.40306 107.34111 0.225
39.42722 107.37972 0.339 37.19806 108.49028 0.559
40.50750 107.70194 0.250 40.36417 105.58194 0.307
40.53472 106.78000 0.564 37.75139 107.68528 0.557
39.10111 105.09194 0.371 40.80639 104.75472 0.286
29.97472 82.19806 1.279 28.54278 80.64444 1.564
25.39000 80.68000 0.912 30.54806 84.60083 1.243
27.38000 82.28389 0.991 32.14111 81.97139 1.225
33.17778 84.40611 1.580 31.47306 83.53306 0.851
43.46139 113.55472 0.180 43.20528 116.74917 0.103
44.29778 116.06361 0.161 40.05333 88.37194 2.940
41.84139 88.85111 2.090 41.70111 87.99528 3.171
37.71000 89.26889 2.523 38.71000 88.74917 2.317
37.43556 88.67194 3.077 40.93333 90.72306 2.006
40.84000 85.46389 2.725 38.74083 87.48556 3.158
41.63250 87.08778 3.443 40.47528 86.99222 2.775
42.90972 91.47000 1.154 40.96306 93.39250 1.423
37.65111 94.80361 1.863 39.10222 96.60917 0.898
38.67167 100.91639 0.536 37.70472 85.04889 2.693
37.07778 82.99361 2.195 38.11833 83.54694 2.762
36.79056 88.06722 2.377 29.92972 91.71528 1.276
30.81139 90.18083 1.393 44.37389 68.26056 2.268
46.86889 68.01472 1.551 44.10750 70.72889 1.631
45.48917 69.66528 1.369 39.40889 76.99528 2.535
38.91306 76.15250 2.477 41.97583 70.02472 1.619
42.39250 72.34444 2.156 42.38389 71.21472 2.417
45.56083 84.67833 1.701 46.37417 84.74139 1.539
47.10472 88.55139 1.048 42.41028 85.39278 3.107
44.22389 85.81806 2.258 47.53111 93.46861 0.550
47.94639 91.49611 0.563 46.24944 94.49722 0.591
44.23722 95.30056 0.604 32.30667 90.31833 1.614
32.33472 89.16583 1.135 34.00250 89.80000 1.503
38.75361 92.19889 1.814 36.91083 90.31861 2.435
45.56861 107.43750 0.217 48.51028 113.99583 0.387
48.49917 109.79750 0.100 46.48500 112.06472 0.209
41.15306 96.49278 0.743 41.05917 100.74639 0.391
36.13583 115.42556 0.139 41.28528 115.85222 0.075
38.79917 119.25667 0.053 39.00500 114.21583 0.273
43.94306 71.70333 2.391 40.31500 74.85472 2.593
33.22028 108.23472 0.377 35.78167 106.26750 0.315
32.90944 105.47056 0.355 36.04083 106.97139 0.376
36.77889 103.98139 0.326 42.73389 76.65972 3.249
42.29944 79.39639 3.344 43.97306 74.22306 2.322
44.39333 73.85944 2.111 41.35083 74.04861 3.306
43.52611 75.94722 3.948 42.10639 77.53583 2.231
41.99361 74.50361 3.022 36.13250 77.17139 1.857
35.06056 83.43056 2.393 35.69694 80.62250 2.082
35.02583 78.27833 1.729 34.97083 79.52833 1.959
35.72833 78.68028 1.780 47.60139 103.26417 0.354
48.78250 97.75417 0.306 47.12556 99.23694 0.273
39.53139 84.72417 3.828 40.35528 83.06611 3.401
39.79278 81.53111 3.961 40.78222 81.92000 3.349
36.80528 98.20056 0.603 34.98000 97.52139 0.994
36.59083 101.61750 0.444 44.38694 123.62306 0.629
44.63472 123.19000 0.329 45.44917 122.15333 0.716
43.12167 121.05778 0.050 44.21333 122.25333 0.423
43.89944 117.42694 0.071 45.22444 118.51139 0.109
40.78833 77.94583 3.275 41.59778 78.76750 4.336
40.65750 77.93972 3.352 41.32750 74.82028 3.081
33.53944 80.43500 1.456 44.35500 98.29083 0.372
43.94917 101.85833 0.224 35.96139 84.28722 3.579
35.18250 87.19639 2.148 35.66444 83.59028 2.474
35.46778 89.15861 1.811 33.95778 102.77611 0.376
28.46667 97.70694 0.886 29.66139 96.25944 0.934
30.26139 100.55500 0.938 32.37861 94.71167 2.229
31.56056 94.86083 1.472 33.27333 99.21528 0.890
33.39167 97.63972 1.585 37.61861 112.17278 0.237
41.65833 111.89694 0.271 38.99833 110.16528 0.143
41.35750 111.04861 0.172 42.87611 73.16333 2.412
44.52833 72.86889 2.549 38.04056 78.54306 2.478
37.33139 80.55750 1.650 38.52250 78.43583 2.360
47.86000 123.93194 1.144 48.54056 121.44528 0.837
46.83528 122.28667 0.635 46.76056 117.18472 0.255
37.98000 80.95000 2.396 39.08972 79.66222 3.291
45.79639 88.39944 1.054 45.05333 88.37278 1.457
44.66444 89.65222 1.044 43.70194 90.56861 1.309
46.05278 89.65306 1.132 42.57917 88.50056 1.809
45.82278 91.87444 0.984 41.34028 106.19083 0.335
42.73389 108.85000 0.236 42.49472 108.82917 0.313
42.92889 109.78667 0.182 43.22278 109.99111 0.161
43.87333 104.19222 0.306 44.91722 110.42028 0.210
45.07611 72.67556 2.646
;
proc format;
picture latitude -90 - 0 = '000S'
0 - 90 = '000N';
picture longitude -180 - 0 = '000W'
0 - 180 = '000E';
run;
data SO4;
set SO4;
format longitude longitude. latitude latitude.;
longitude = -longitude;
run;
proc template;
define statgraph gradientScatter;
beginGraph;
layout overlay;
scatterPlot x=longitude y=latitude /
markercolorgradient = SO4
markerattrs = (symbol=circleFilled)
colormodel = ThreeColorRamp
name = "Scatter";
scatterPlot x=longitude y=latitude /
markerattrs = (symbol=circle);
continuousLegend "Scatter"/title= "SO4";
endlayout;
endgraph;
end;
run;
proc sgrender data=SO4 template=gradientScatter;
run;
ods graphics on;
proc loess data=SO4;
model SO4=Longitude Latitude / degree=2 interp=cubic;
run;
ods graphics off;
data PredPoints;
format longitude longitude.
latitude latitude.;
do Latitude = 26 to 46 by 1;
do Longitude = -79 to -123 by -1;
output;
end;
end;
run;
proc loess data=SO4;
model SO4=Longitude Latitude;
score data=PredPoints / print;
ods Output ScoreResults=ScoreOut;
run;
proc template;
define statgraph surface;
begingraph;
layout overlay3d / rotate=340 tilt=30 cube=false;
surfaceplotparm x=Longitude y=Latitude z=p_SO4;
endlayout;
endgraph;
end;
run;
proc sgrender data=ScoreOut template=surface;
run;
