Documentation Example 5 for PROC ROBUSTREG
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: rregex5 */
/* TITLE: Documentation Example 5 for PROC ROBUSTREG */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: Robust Regression */
/* */
/* PROCS: ROBUSTREG */
/* DATA: */
/* */
/* SUPPORT: yonyao (Yonggang Yao) */
/* REF: */
/* MISC: */
/****************************************************************/
data house;
input price sqft age feats ne cor tax @@;
label price = "Selling price"
sqft = "Square feet of living space"
age = "Age of home in year"
feats = "Number out of 11 features (dishwasher, refrigerator,
microwave, disposer, washer, intercom, skylight(s),
compactor, dryer, handicap fit, cable TV access)"
ne = "Located in northeast sector of city (1) or not (0)"
cor = "Corner location (1) or not (0)"
tax = "Annual taxes";
sum = sqft+age+feats+ne+cor+tax;
id = _N_;
datalines;
2050 2650 13 7 1 0 1639
2150 2664 6 5 1 0 1193
2150 2921 3 6 1 0 1635
1999 2580 4 4 1 0 1732
1900 2580 4 4 1 0 1534
1800 2774 2 4 1 0 1765
1560 1920 1 5 1 0 1161
1449 1710 1 3 1 0 1010
1375 1837 4 5 1 0 1191
1270 1880 8 6 1 0 930
1250 2150 15 3 1 0 984
1235 1894 14 5 1 0 1112
1170 1928 18 8 1 0 600
1155 1767 16 4 1 0 794
1110 1630 15 3 1 1 867
1139 1680 17 4 1 1 750
995 1500 15 4 1 0 743
900 1400 16 2 1 1 731
960 1573 17 6 1 0 768
1695 2931 28 3 1 1 1142
1553 2200 28 4 1 0 1035
1020 1478 53 3 1 1 626
1020 1713 30 4 1 1 600
850 1190 41 1 1 0 600
720 1121 46 4 1 0 398
749 1733 43 6 1 0 656
2150 2848 4 6 1 0 1487
1350 2253 23 4 1 0 939
1299 2743 25 5 1 1 1232
1250 2180 17 4 1 1 1141
1239 1706 14 4 1 0 810
1125 1710 16 4 1 0 800
1080 2200 26 4 1 0 1076
1050 1680 13 4 1 0 875
1049 1900 34 3 1 0 690
934 1543 20 3 1 0 820
875 1173 6 4 1 0 456
805 1258 7 4 1 1 821
759 997 4 4 1 0 461
729 1007 19 6 1 0 513
710 1083 22 4 1 0 504
975 1500 7 3 0 1 700
939 1428 40 2 0 0 701
2100 2116 25 3 0 0 1209
580 1051 15 2 0 0 426
1844 2250 40 6 0 0 915
699 1400 45 1 0 1 481
1160 1720 5 4 0 0 867
1109 1740 4 3 0 0 816
1129 1700 6 4 0 0 725
1050 1620 6 4 0 0 800
1045 1630 6 4 0 0 750
1050 1920 8 4 0 0 944
1020 1606 5 4 0 0 811
1000 1535 7 5 0 1 668
1030 1540 6 2 0 1 826
975 1739 13 3 0 0 880
940 1305 5 3 0 0 647
920 1415 7 4 0 0 866
945 1580 9 3 0 0 810
874 1236 3 4 0 0 707
872 1229 6 3 0 0 721
870 1273 4 4 0 0 638
869 1165 7 4 0 0 694
766 1200 7 4 0 1 634
739 970 4 4 0 1 541
;
ods graphics on;
proc robustreg data=house method=MM plots=all;
model price = sqft age feats ne cor tax sum /
leverage(opc mcdinfo) diagnostics;
run;
proc robustreg data=house method=MM plots=all;
model price = sqft age feats ne tax/leverage(mcdinfo) diagnostics;
run;
ods graphics off;
