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Trailing-Edge - PDP-10 Archives - decuslib20-02 - decus/20-0026/stepr.cdk
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$JOB STEPR[30,30]
$FORTRAN STEPR
C                                                                       STEP  10
C     ..................................................................STEP  20
C                                                                       STEP  30
C        SAMPLE MAIN PROGRAM FOR STEP-WISE MULTIPLE REGRESSION - STEPR  STEP  40
C                                                                       STEP  50
C        PURPOSE                                                        STEP  60
C           (1) READ THE PROBLEM PARAMETER CARD FOR A STEP-WISE MULTIPLESTEP  70
C           REGRESSION, (2) READ SUBSET SELECTION CARDS, (3) CALL THE   STEP  80
C           SUBROUTINE TO CALCULATE MEANS, STANDARD DEVIATIONS, SIMPLE  STEP  90
C           CORRELATION COEFFICIENTS, AND (4) CALL THE SUBROUTINE TO    STEP 100
C           PERFORM EACH STEP OF REGRESSION ANALYSIS.                   STEP 110
C                                                                       STEP 120
C        REMARKS                                                        STEP 130
C            THE NUMBER OF OBSERVATIONS, N, MUST BE GREATER THAN M+2,   STEP 140
C           WHERE M IS THE NUMBER OF VARIABLES.  IF SELECTION CARDS ARE STEP 150
C           NOT PRESENT, THIS PROGRAM CAN NOT PERFORM STEP-WISE MULTIPLESTEP 160
C           REGRESSION.                                                 STEP 170
C                                                                       STEP 180
C        SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED                  STEP 190
C           CORRE (WHICH, IN TURN, CALLS THE SUBROUTINE DATA)           STEP 200
C           MSTR  (WHICH, IN TURN, CALLS THE SUBROUTINE LOC)            STEP 210
C           STPRG (WHICH, IN TURN, CALLS THE SUBROUTINE STOUT)          STEP 220
C                                                                       STEP 230
C        METHOD                                                         STEP 240
C           REFER TO C. A. BENNETT AND N. L. FRANKLIN, 'STATISTICAL     STEP 250
C           ANALYSIS IN CHEMISTRY AND THE CHEMICAL INDUSTRY', JOHN WILEYSTEP 260
C           AND SONS, 1954, APPENDIX 6A.                                STEP 270
C                                                                       STEP 280
C     ..................................................................STEP 290
C                                                                       STEP 300
C     THE FOLLOWING DIMENSIONS MUST BE GREATER THAN OR EQUAL TO THE     STEP 310
C     NUMBER OF VARIABLES, M..                                          STEP 320
C                                                                       STEP 330
         DIMENSION XBAR(35),STD(35),D(35),B(35),T(35),IDX(35),L(35)     STEP 340
C                                                                       STEP 350
C     THE FOLLOWING DIMENSION MUST BE GREATER THAN OR EQUAL TO THE      STEP 360
C     PRODUCT OF M*M..                                                  STEP 370
C                                                                       STEP 380
         DIMENSION RX(1225)                                             STEP 390
C                                                                       STEP 400
C     THE FOLLOWING DIMENSION MUST BE GREATER THAN OR EQUAL TO THE      STEP 410
C     (M+1)*M/2..                                                       STEP 420
C                                                                       STEP 430
         DIMENSION R(630)                                               STEP 440
C                                                                       STEP 450
C     THE FOLLOWING DIMENSION MUST BE GREATER THAN OR EQUAL TO 5..      STEP 460
C                                                                       STEP 470
         DIMENSION NSTEP(5)                                             STEP 480
C                                                                       STEP 490
C     THE FOLLOWING DIMENSION MUST BE GREATER THAN OR EQUAL TO 11..     STEP 500
C                                                                       STEP 510
         DIMENSION ANS(11)                                              STEP 520
C                                                                       STEP 530
C     ..................................................................STEP 540
C                                                                       STEP 550
C        IF A DOUBLE PRECISION VERSION OF THIS ROUTINE IS DESIRED, THE  STEP 560
C        C IN COLUMN 1 SHOULD BE REMOVED FROM THE DOUBLE PRECISION      STEP 570
C        STATEMENT WHICH FOLLOWS.                                       STEP 580
C                                                                       STEP 590
C     DOUBLE PRECISION XBAR,STD,RX,R,B,T,ANS,YEST                       STEP 600
C                                                                       STEP 610
C        THE C MUST ALSO BE REMOVED FROM DOUBLE PRECISION STATEMENTS    STEP 620
C        APPEARING IN OTHER ROUTINES USED IN CONJUNCTION WITH THIS      STEP 630
C        ROUTINE.                                                       STEP 640
C                                                                       STEP 650
C     ..................................................................STEP 660
C                                                                       STEP 670
    1 FORMAT(A4,A2,I5,2I2,F6.0,I1)                                      STEP 680
    2 FORMAT(53H0NUMBER OF SELECTIONS NOT SPECIFIED.  JOB TERMINATED.)  STEP 690
    3 FORMAT(35H1STEP-WISE MULTIPLE REGRESSION.....A4,A2)               STEP 700
    4 FORMAT(31H0VARIABLE     MEAN     STANDARD/4X,3HN0.16X,9HDEVIATION)STEP 710
    5 FORMAT(4X,I2,F14.5,F12.5)                                         STEP 720
    6 FORMAT(19H1CORRELATION MATRIX)                                    STEP 730
    7 FORMAT(4H0ROWI3/(10F12.5))                                        STEP 740
    8 FORMAT(72I1)                                                      STEP 750
    9 FORMAT(23H0NUMBER OF OBSERVATIONSI5)                              STEP 760
   10 FORMAT(20H NUMBER OF VARIABLES3X,I5)                              STEP 770
   11 FORMAT(21H NUMBER OF SELECTIONS2X,I5)                             STEP 780
   12 FORMAT(28H0CONSTANT TO LIMIT VARIABLESF9.5)                       STEP 790
   13 FORMAT(/15H1SELECTION.....I2)                                     STEP 800
   14 FORMAT(16X,18HTABLE OF RESIDUALS//9H CASE NO.5X,7HY VALUE5X,10HY ESTEP 810
     1STIMATE6X,8HRESIDUAL)                                             STEP 820
   15 FORMAT(I7,F15.5,2F14.5)                                           STEP 830
   16 FORMAT(1H )                                                       STEP 840
   17 FORMAT(1H1)                                                       STEP 850
   18 FORMAT(1H0,'****COLUMN',I4,' OF SELECTION CARD',I5,' IS IN ERROR. STEP 860
     1 IT IS POSSIBLE THAT COLUMNS SUCCEEDING THAT COLUMN ARE ALSO'     STEP 870
     2/' INCORRECT.  THE SELECTION IS IGNORED.****')                    STEP 880
   19 FORMAT(1H0,'****SELECTION CARD',I5,' DOES NOT NAME ONE AND ONLY ONSTEP 890
     1E DEPENDENT VARIABLE.  SELECTION IGNORED.****')                   STEP 900
   20 FORMAT(1H0,'****EITHER THE MATRIX IS SINGULAR, OR THE RESIDUAL SUMSTEP 910
     1 OF SQUARES IS NEGATIVE IMPLYING EXTREME ILL CONDITION.',/,' SELECSTEP 920
     2TION IGNORED.****')                                               STEP 930
   21 FORMAT(1H0,'****',I6,' OBSERVATIONS ARE TOO FEW TO ALLOW PARAMETERSTEP 940
     1 ESTIMATION FOR',I5,' VARIABLES.  JOB TERMINATED.****')           STEP 950
C                                                                       STEP 960
C        READ PROBLEM PARAMETER CARD                                    STEP 970
C                                                                       STEP 980
  100 READ (5,1,END=999) PR1,PR2,N,M,NS,PCT,NR                          STEP 990
C        PR1.....PROBLEM CODE (MAY BE ALPHAMERIC)                       STEP1000
C        PR2.....PROBLEM CODE (CONTINUED)                               STEP1010
C        N ......NUMBER OF OBSERVATIONS                                 STEP1020
C        M ......NUMBER OF VARIABLES                                    STEP1030
C        NS......NUMBER OF SELECTIONS                                   STEP1040
C        PCT.....A CONSTANT VALUE OF PROPORTION OF SUM OF SQUARES THAT  STEP1050
C                WILL BE USED TO LIMIT VARIABLES ENTERING IN THE REGRES-STEP1060
C                SION                                                   STEP1070
C        NR......OPTION CODE FOR TABLE OF RESIDUALS                     STEP1080
C                  0 - IF IT IS NOT DESIRED                             STEP1090
C                  1 - IF IT IS DESIRED                                 STEP1100
C                                                                       STEP1110
      WRITE (6,3) PR1,PR2                                               STEP1120
      WRITE (6,9) N                                                     STEP1130
      WRITE (6,10) M                                                    STEP1140
      IF(N-M-2) 101,101,102                                             STEP1150
  101 WRITE(6,21) N,M                                                   STEP1160
      STOP                                                              STEP1170
  102 WRITE (6,11) NS                                                   STEP1180
      WRITE (6,12) PCT                                                  STEP1190
C                                                                       STEP1200
C     LOGICAL TAPE 13 IS USED AS INTERMEDIATE STORAGE TO HOLD INPUT     STEP1210
C     DATA.  THE INPUT DATA ARE WRITTEN ON LOGICAL TAPE 13 BY THE       STEP1220
C     SPECIAL INPUT SUBROUTINE NAMED DATA.  THE STORED DATA MAY BE USED STEP1230
C     FOR RESIDUAL ANALYSIS.                                            STEP1240
C                                                                       STEP1250
      REWIND 13                                                         STEP1260
C                                                                       STEP1270
      IO=0                                                              STEP1280
      X=0.0                                                             STEP1290
C                                                                       STEP1300
      CALL CORRE (N,M,IO,X,XBAR,STD,RX,R,B,D,T)                         STEP1310
C                                                                       STEP1320
      REWIND 13                                                         STEP1330
C                                                                       STEP1340
C        PRINT MEANS AND STANDARD DEVIATION                             STEP1350
C                                                                       STEP1360
      WRITE (6,4)                                                       STEP1370
      DO 105 I=1,M                                                      STEP1380
  105 WRITE (6,5) I,XBAR(I),STD(I)                                      STEP1390
C                                                                       STEP1400
C        PRINT CORRELATION MATRIX                                       STEP1410
C                                                                       STEP1420
      WRITE (6,6)                                                       STEP1430
      DO 130 I=1,M                                                      STEP1440
      DO 125 J=1,M                                                      STEP1450
      IF(I-J) 110, 120, 120                                             STEP1460
  110 K=I+(J*J-J)/2                                                     STEP1470
      GO TO 125                                                         STEP1480
  120 K=J+(I*I-I)/2                                                     STEP1490
  125 T(J)=R(K)                                                         STEP1500
  130 WRITE (6,7) I,(T(J),J=1,M)                                        STEP1510
C                                                                       STEP1520
C        TEST NUMBER OF SELECTIONS                                      STEP1530
C                                                                       STEP1540
      IF(NS) 135, 135, 140                                              STEP1550
  135 WRITE (6,2)                                                       STEP1560
      GO TO 200                                                         STEP1570
C                                                                       STEP1580
C        SAVE THE MATRIX OF SUMS OF CROSS-PRODUCTS OF DEVIATIONS        STEP1590
C                                                                       STEP1600
  140 CALL MSTR (RX,R,M,0,1)                                            STEP1610
C                                                                       STEP1620
      NSEL=1                                                            STEP1630
      GO TO 150                                                         STEP1640
C                                                                       STEP1650
C        COPY THE MATRIX OF SUMS OF CROSS-PRODUCTS OF DEVIATIONS        STEP1660
C                                                                       STEP1670
  145 CALL MSTR (R,RX,M,1,0)                                            STEP1680
C                                                                       STEP1690
C        READ A SELECTION CARD                                          STEP1700
C                                                                       STEP1710
  150 WRITE (6,13) NSEL                                                 STEP1720
      READ (5,8) (IDX(J),J=1,M)                                         STEP1730
C                                                                       STEP1740
C        IN EACH POSITION OF IDX, ONE OF THE FOLLOWING CODES MUST BE    STEP1750
C        SPECIFIED..                                                    STEP1760
C          0 OR BLANK - INDEPENDENT VARIABLE AVAILABLE FOR SELECTION    STEP1770
C          1          - INDEPENDENT VARIABLE TO BE FORCED IN REGRESSION STEP1780
C          2          - VARIABLE TO BE DELETED                          STEP1790
C          3          - DEPENDENT VARIABLE                              STEP1800
C                                                                       STEP1810
      N35=0                                                             STEP1820
      DO 155 K=1,M                                                      STEP1830
      IF (IDX(K)) 152,153,153                                           STEP1840
  152 WRITE (6,18) K,NSEL                                               STEP1850
      GO TO 185                                                         STEP1860
  153 IF (IDX(K)-3) 155,154,152                                         STEP1870
  154 N35=N35+1                                                         STEP1880
  155 CONTINUE                                                          STEP1890
      IF (N35-1) 156,157,156                                            STEP1900
  156 WRITE (6,19) NSEL                                                 STEP1910
      GO TO 185                                                         STEP1920
C        CALL THE SUBROUTINE TO PERFORM A STEP-WISE REGRESSION ANALYSIS STEP1930
C                                                                       STEP1940
  157 CALL STPRG (M,N,RX,XBAR,IDX,PCT,NSTEP,ANS,L,B,STD,T,D,IER)        STEP1950
      IF (IER) 158,159,158                                              STEP1960
  158 WRITE (6,20)                                                      STEP1970
      GO TO 185                                                         STEP1980
C                                                                       STEP1990
C        FIND WHETHER TO PRINT THE TABLE OF RESIDUALS                   STEP2000
C                                                                       STEP2010
  159 IF(NR) 185, 185, 160                                              STEP2020
C                                                                       STEP2030
C        PRINT THE TABLE OF RESIDUALS                                   STEP2040
C                                                                       STEP2050
C                                                                       STEP2060
  160 WRITE (6,13) NSEL                                                 STEP2070
      WRITE (6,16)                                                      STEP2080
      WRITE (6,14)                                                      STEP2090
      MM=NSTEP(1)                                                       STEP2100
      DO 180 I=1,N                                                      STEP2110
      READ (13) (D(J),J=1,M)                                            STEP2120
      YEST=ANS(9)                                                       STEP2130
      K=NSTEP(4)                                                        STEP2140
      DO 170 J=1,K                                                      STEP2150
      KK=L(J)                                                           STEP2160
  170 YEST=YEST+B(J)*D(KK)                                              STEP2170
      RESI=D(MM)-YEST                                                   STEP2180
  180 WRITE (6,15) I,D(MM),YEST,RESI                                    STEP2190
      REWIND 13                                                         STEP2200
C                                                                       STEP2210
C        TEST TO SEE WHETHER ALL SELECTIONS ARE COMPLETED               STEP2220
C                                                                       STEP2230
  185 IF(NSEL-NS) 190, 100, 100                                         STEP2240
  190 NSEL=NSEL+1                                                       STEP2250
      WRITE (6,17)                                                      STEP2260
      GO TO 145                                                         STEP2270
C                                                                       STEP2280
  200 CONTINUE                                                          STEP2290
999	STOP
      END                                                               STEP2300
$FORTRAN DATA
C                                                                       DATA  10
C     ..................................................................DATA  20
C                                                                       DATA  30
C        SAMPLE INPUT SUBROUTINE - DATA                                 DATA  40
C                                                                       DATA  50
C        PURPOSE                                                        DATA  60
C           READ AN OBSERVATION (M DATA VALUES) FROM INPUT DEVICE.      DATA  70
C           THIS SUBROUTINE IS CALLED BY THE SUBROUTINE CORRE AND MUST  DATA  80
C           BE PROVIDED BY THE USER.  IF SIZE AND LOCATION OF DATA      DATA  90
C           FIELDS ARE DIFFERENT FROM PROBLEM TO PROBLEM, THIS SUB-     DATA 100
C           ROUTINE MUST BE RECOMPILED WITH A PROPER FORMAT STATEMENT.  DATA 110
C                                                                       DATA 120
C        USAGE                                                          DATA 130
C           CALL DATA (M,D)                                             DATA 140
C                                                                       DATA 150
C        DESCRIPTION OF PARAMETERS                                      DATA 160
C           M - THE NUMBER OF VARIABLES IN AN OBSERVATION.              DATA 170
C           D - OUTPUT VECTOR OF LENGTH M CONTAINING THE OBSERVATION    DATA 180
C               DATA.                                                   DATA 190
C                                                                       DATA 200
C        REMARKS                                                        DATA 210
C           THE TYPE OF CONVERSION SPECIFIED IN THE FORMAT MUST BE      DATA 220
C           EITHER F OR E.                                              DATA 230
C                                                                       DATA 240
C        SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED                  DATA 250
C           NONE                                                        DATA 260
C     ..................................................................DATA 270
C                                                                       DATA 280
      SUBROUTINE DATA (M,D)                                             DATA 290
C                                                                       DATA 300
      DIMENSION D(1)                                                    DATA 310
C                                                                       DATA 320
    1 FORMAT(12F6.0)                                                    DATA 330
C                                                                       DATA 340
C     READ AN OBSERVATION FROM INPUT DEVICE.                            DATA 350
C                                                                       DATA 360
      READ (5,1) (D(I),I=1,M)                                           DATA 370
C                                                                       DATA 380
C     INPUT DATA ARE WRITTEN ON LOGICAL TAPE 13 FOR THE RESIDUAL ANALY- DATA 390
C     SIS PERFORMED IN THE SAMPLE MULTIPLE REGRESSION PROGRAM.          DATA 400
C                                                                       DATA 410
      WRITE (13) (D(I),I=1,M)                                           DATA 420
      RETURN                                                            DATA 430
      END                                                               DATA 440
$FORTRAN STOUT
C                                                                       STOU  10
C     ..................................................................STOU  20
C                                                                       STOU  30
C        SAMPLE OUTPUT SUBROUTINE STOUT                                 STOU  40
C                                                                       STOU  50
C        PURPOSE                                                        STOU  60
C           PRINT THE RESULT OF A STEP-WISE MULTIPLE REGRESSION.  THIS  STOU  70
C           SUBROUTINE IS CALLED BY THE SUBROUTINE STPRG.               STOU  80
C                                                                       STOU  90
C        USAGE                                                          STOU 100
C           CALL STOUT (NSTEP,ANS,L,B,S,T,NSTOP)                        STOU 110
C                                                                       STOU 120
C        DESCRIPTION OF PARAMETERS                                      STOU 130
C           NSTEP - INPUT VECTOR OF LENGTH 5 CONTAINING THE FOLLOWING   STOU 140
C                   INFORMATION..                                       STOU 150
C                     NSTEP(1)  DEPENDENT VARIABLE                      STOU 160
C                     NSTEP(2)  NUMBER OF VARIABLES FORCED TO ENTER     STOU 170
C                               IN THE REGRESSION                       STOU 180
C                     NSTEP(3)  NUMBER OF VARIABLES DELETED             STOU 190
C                     NSTEP(4)  THE LAST STEP NUMBER                    STOU 200
C                     NSTEP(5)  THE LAST VARIABLE ENTERED               STOU 210
C           ANS   - INPUT VECTOR OF LENGTH 11 CONTAINING THE FOLLOWING  STOU 220
C                   INFORMATION FOR THE LAST STEP..                     STOU 230
C                     ANS(1)  SUM OF SQUARES REDUCED                    STOU 240
C                     ANS(2)  PROPORTION REDUCED                        STOU 250
C                     ANS(3)  CUMULATIVE SUM OF SQUARES REDUCED         STOU 260
C                     ANS(4)  CUMULATIVE PROPORTION REDUCED             STOU 270
C                     ANS(5)  SUM OF SQUARES OF THE DEPENDENT VARIABLE  STOU 280
C                     ANS(6)  MULTIPLE CORRELATION COEFFICIENT          STOU 290
C                     ANS(7)  F-VALUE FOR ANALYSIS VARIANCE (FOR THE    STOU 300
C                             REGRESSION)                               STOU 310
C                     ANS(8)  STANDARD ERROR OF ESTIMATE                STOU 320
C                     ANS(9)  INTERCEPT                                 STOU 330
C                     ANS(10) ADJUSTED MULTIPLE R                       STOU 340
C                     ANS(11) ADJUSTED STANDARD ERROR OF ESTIMATE       STOU 350
C           L     - INPUT VECTOR OF LENGTH K (K=M-NSTEP(3)-1) CONTAIN-  STOU 360
C                   ING VARIABLES ENTERED IN THE REGRESSION.  L(1)=FIRSTSTOU 370
C                   VARIABLE ENTERED, L(2)=SECOND VARIABLE ENTERED, ETC.STOU 380
C           B     - INPUT VECTOR OF LENGTH K (K=M-NSTEP(3)-1) CONTAIN-  STOU 390
C                   ING REGRESSION COEFFICIENTS CORRESPONDING TO THE    STOU 400
C                   VARIABLES IN VECTOR L                               STOU 410
C           S     - INPUT VECTOR OF LENGTH K (K=M-NSTEP(3)-1) CONTAIN-  STOU 420
C                   ING STANDARD ERRORS OF REGRESSION COEFFICIENTS      STOU 430
C                   CORRESPONDING TO THE VARIABLES IN VECTOR L          STOU 440
C           T     - INPUT VECTOR OF LENGTH K (K=M-NSTEP(3)-1) CONTAIN-  STOU 450
C                   ING COMPUTED T-VALUES CORRESPONDING TO THE VARIABLESSTOU 460
C                   IN VECTOR L                                         STOU 470
C           NSTOP - OUTPUT OPTION CODE TO STOP THE STEP-WISE REGRESSION STOU 480
C                     1 - IF THE STEP-WISE REGRESSION IS TO BE TERMI-   STOU 490
C                         NATED BY SOME CRITERIA OTHER THAN PROPORTION  STOU 500
C                         OF SUM OF SQUARES, SUCH AS F-TEST AND SO ON,  STOU 510
C                         THIS SUBROUTINE MAY BE MODIFIED TO PERFORM    STOU 520
C                         DESIRED TESTS.  WHEN IT BECOMES NO LONGER     STOU 530
C                         NECESSARY TO CONTINUE THE STEP-WISE REGRES-   STOU 540
C                         SION, SET NSTOP EQUAL TO 1.                   STOU 550
C                     0 - IF THE STEP-WISE REGRESSION IS TO BE CONTINUEDSTOU 560
C                                                                       STOU 570
C        REMARKS                                                        STOU 580
C           THE CONTENTS OF THE VECTORS NSTEP, ANS, L ARE REQUIRED IN   STOU 590
C           SUBSEQUENT STEPS AND MUST NOT BE DESTROYED.                 STOU 600
C                                                                       STOU 610
C        SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED                  STOU 620
C           NONE                                                        STOU 630
C                                                                       STOU 640
C                                                                       STOU 650
C     ..................................................................STOU 660
C                                                                       STOU 670
      SUBROUTINE STOUT (NSTEP,ANS,L,B,S,T,NSTOP)                        STOU 680
C                                                                       STOU 690
      DIMENSION NSTEP(1),ANS(1),L(1),B(1),S(1),T(1)                     STOU 700
C                                                                       STOU 710
C     ..................................................................STOU 720
C                                                                       STOU 730
C        IF A DOUBLE PRECISION VERSION OF THIS ROUTINE IS DESIRED, THE  STOU 740
C        C IN COLUMN 1 SHOULD BE REMOVED FROM THE DOUBLE PRECISION      STOU 750
C        STATEMENT WHICH FOLLOWS.                                       STOU 760
C                                                                       STOU 770
C     DOUBLE PRECISION ANS,B,S,T                                        STOU 780
C                                                                       STOU 790
C        THE C MUST ALSO BE REMOVED FROM DOUBLE PRECISION STATEMENTS    STOU 800
C        APPEARING IN OTHER ROUTINES USED IN CONJUNCTION WITH THIS      STOU 810
C        ROUTINE.                                                       STOU 820
C                                                                       STOU 830
C     ..................................................................STOU 840
C                                                                       STOU 850
    1 FORMAT(/5H1STEPI3)                                                STOU 860
    2 FORMAT(22H0VARIABLE ENTERED.....I2)                               STOU 870
    3 FORMAT(40H0SUM OF SQUARES REDUCED IN THIS STEP....F13.3)          STOU 880
    4 FORMAT(40H PROPORTION REDUCED IN THIS STEP........F13.3)          STOU 890
    5 FORMAT(40H0CUMULATIVE SUM OF SQUARES REDUCED......F13.3)          STOU 900
    6 FORMAT(40H CUMULATIVE PROPORTION REDUCED..........F13.3,4H  OFF13.STOU 910
     13)                                                                STOU 920
    7 FORMAT(4H0FORI3,18H VARIABLES ENTERED)                            STOU 930
    8 FORMAT(38H   MULTIPLE CORRELATION COEFFICIENT...F9.3)             STOU 940
    9 FORMAT(38H   F-VALUE FOR ANALYSIS OF VARIANCE...F9.3)             STOU 950
   10 FORMAT(38H   STANDARD ERROR OF ESTIMATE.........F9.3)             STOU 960
   11 FORMAT(/57H   VARIABLE     REGRESSION     STD. ERROR OF     COMPUTSTOU 970
     1ED/56H    NUMBER      COEFFICIENT     REG. COEFF.      T-VALUE)   STOU 980
   12 FORMAT(5X,I3,F18.5,F16.5,F14.3)                                   STOU 990
   13 FORMAT(12H   INTERCEPTF14.5)                                      STOU1000
   14 FORMAT(31H0DEPENDENT VARIABLE............I2)                      STOU1010
   15 FORMAT(31H NUMBER OF VARIABLES FORCED....I2)                      STOU1020
   16 FORMAT(31H NUMBER OF VARIABLES DELETED...I2)                      STOU1030
   17 FORMAT(20H   (FORCED VARIABLE))                                   STOU1040
   18 FORMAT(38H        (ADJUSTED FOR D.F.)...........F9.3)             STOU1050
C                                                                       STOU1060
C        TEST WHETHER THIS IS THE FIRST STEP                            STOU1070
C                                                                       STOU1080
      IF(NSTEP(4)-1) 30, 30, 35                                         STOU1090
   30 WRITE (6,14) NSTEP(1)                                             STOU1100
      WRITE (6,15) NSTEP(2)                                             STOU1110
      WRITE (6,16) NSTEP(3)                                             STOU1120
C                                                                       STOU1130
C        PRINT THE RESULT OF A STEP                                     STOU1140
C                                                                       STOU1150
   35 WRITE (6,1) NSTEP(4)                                              STOU1160
      WRITE (6,2) NSTEP(5)                                              STOU1170
      IF(NSTEP(4)-NSTEP(2)) 37, 37, 38                                  STOU1180
   37 WRITE (6,17)                                                      STOU1190
   38 WRITE (6,3) ANS(1)                                                STOU1200
      WRITE (6,4) ANS(2)                                                STOU1210
      WRITE (6,5) ANS(3)                                                STOU1220
      WRITE (6,6) ANS(4), ANS(5)                                        STOU1230
      WRITE (6,7) NSTEP(4)                                              STOU1240
      WRITE (6,8) ANS(6)                                                STOU1250
      WRITE(6,18)ANS(10)                                                STOU1260
      WRITE (6,9) ANS(7)                                                STOU1270
      WRITE (6,10) ANS(8)                                               STOU1280
      WRITE(6,18)ANS(11)                                                STOU1290
      WRITE (6,11)                                                      STOU1300
      N=NSTEP(4)                                                        STOU1310
      DO 40 I=1,N                                                       STOU1320
   40 WRITE (6,12) L(I),B(I),S(I),T(I)                                  STOU1330
      WRITE (6,13) ANS(9)                                               STOU1340
C                                                                       STOU1350
      NSTOP=0                                                           STOU1360
      RETURN                                                            STOU1370
      END                                                               STOU1380
$DECK STE.CDR
SAMPLE   30 6 2  0.001                                                        20
    29   289   216    85    14     1                                          30
    30   391   244    92    16     2                                          40
    30   424   246    90    18     2                                          50
    30   313   239    91    10     0                                          60
    35   243   275    95    30     2                                          70
    35   365   219    95    21     2                                          80
    43   396   267   100    39     3                                          90
    43   356   274    79    19     2                                         100
    44   346   255   126    56     3                                         110
    44   156   258    95    28     0                                         120
    44   278   249   110    42     4                                         130
    44   349   252    88    21     1                                         140
    44   141   236   129    56     1                                         150
    44   245   236    97    24     1                                         160
    45   297   256   111    45     3                                         170
    45   310   262    94    20     2                                         180
    45   151   339    96    35     3                                         190
    45   370   357    88    15     4                                         200
    45   379   198   147    64     4                                         210
    45   463   206   105    31     3                                         220
    45   316   245   132    60     4                                         230
    45   280   225   108    36     4                                         240
    44   395   215   101    27     1                                         250
    49   139   220   136    59     0                                         260
    49   245   205   113    37     4                                         270
    49   373   215    88    25     1                                         280
    51   224   215   118    54     3                                         290
    51   677   210   116    33     4                                         300
    51   424   210   140    59     4                                         310
    51   150   210   105    30     0                                         320
000003                                                                       330
001203                                                                       340
$EOD
.ASSIGN CDR 5
.ASSIGN LPT 6
.ASSIGN DSK 13
.SET CDR STE
.EXECUTE/REL STEPR,DATA,STOUT,WES:SSP/LIB
%FIN::
.DELETE STE.CDR,FOR13.DAT