## Output from suppres2.sas

Source
3 Graphs

```                        Demonstrate suppression effect                       1
```
```                             Correlation Analysis
```
```                  3 'VAR' Variables:  SALES    ASSERTIV RECORD

```
```                              Simple Statistics

Variable                N             Mean          Std Dev              Sum
```
``` SALES                  40        48.975000        12.086202      1959.000000
ASSERTIV               40         8.110000         3.045030       324.400000
RECORD                 40         4.487500         3.310294       179.500000
```
```                       Simple Statistics

Variable          Minimum          Maximum     Label
```
``` SALES           21.000000        72.000000     SALES SUCCESS
ASSERTIV         0.500000        12.500000     ASSERTIVENESS
RECORD                  0        14.300000     RECORD KEEPING
```
```
Pearson Correlation Coefficients / Prob > |R| under Ho: Rho=0 / N = 40```
```                                SALES          ASSERTIV            RECORD

SALES                    1.00000           0.62078           0.40336
SALES SUCCESS             0.0               0.0001            0.0099

ASSERTIV                 0.62078           1.00000          -0.27052
ASSERTIVENESS             0.0001            0.0               0.0914

RECORD                   0.40336          -0.27052           1.00000
RECORD KEEPING            0.0099            0.0914            0.0```

```                        Demonstrate suppression effect                       2
```
```   A=1, B=2, etc. SALES*ASSERTIV.        A=1, B=2, etc.  Plot of SALES*RECORD.

|                                        |
80 +                                     80 +
S    |                                   S    |
A    |                    A  A           A    |    A        A
L    |            A       A              L    |                 A           A
E    |                     A             E    |        A
S 60 +                AA   B  AB         S 60 +        BAA A   A A
|                  AA  A A               |  A    A  A  A
S    |           A         A             S    |    A         A
U    |        A      AA A A              U    |     A  AA    A   A
C    |        A    A   AAA   A           C    |AB A   A          A
C 40 +      A      AAA                   C 40 +B             A  A
E    | A     A A A                       E    |   AA        AA
S    |        A             A            S    |A      A
S    |                                   S    |
|                                        |
20 +        A                            20 +A
-+---------+---------+---------+         -+---------+---------+---------+
0         5        10        15          0         5        10        15

ASSERTIVENESS                           RECORD KEEPING

A=1, B=2, etc. ASSERTIV*RECORD.

|
15 +
A    |
S    |         A
S    |A A     A A  A
E    |A   A  AA         A
R 10 + A  A   AAA      A
T    | A   A A    AA
I    |        A       A
V    |B             B
E    |   B          A              A
N  5 +    A
E    |A      A          B
S    |              A  A
S    |
|             A
0 +
-+---------+---------+---------+
0         5        10        15

RECORD KEEPING

```

```                        Demonstrate suppression effect                       3
```
```Model: M1
Dependent Variable: SALES      SALES SUCCESS
```
```                             Analysis of Variance

Sum of         Mean
Source          DF      Squares       Square      F Value       Prob>F
```
```       Model            1   2195.41951   2195.41951       23.825       0.0001
Error           38   3501.55549     92.14620
C Total         39   5696.97500

Root MSE       9.59928     R-square       0.3854
Dep Mean      48.97500     Adj R-sq       0.3692
C.V.          19.60037
```
```                             Parameter Estimates

Parameter      Standard    T for H0:
Variable  DF      Estimate         Error   Parameter=0    Prob > |T|
```
```     INTERCEP   1     28.992225    4.36618339         6.640        0.0001
ASSERTIV   1      2.463967    0.50479482         4.881        0.0001
```
```                   Standardized  Variable
Variable  DF      Estimate     Label
```
```     INTERCEP   1    0.00000000  Intercept
ASSERTIV   1    0.62077841  ASSERTIVENESS
```

```                        Demonstrate suppression effect                       4
```
```Model: M2
Dependent Variable: SALES      SALES SUCCESS
```
```                             Analysis of Variance

Sum of         Mean
Source          DF      Squares       Square      F Value       Prob>F
```
```       Model            2   4201.59785   2100.79893       51.980       0.0001
Error           37   1495.37715     40.41560
C Total         39   5696.97500

Root MSE       6.35733     R-square       0.7375
Dep Mean      48.97500     Adj R-sq       0.7233
C.V.          12.98076
```
```                             Parameter Estimates

Parameter      Standard    T for H0:
Variable  DF      Estimate         Error   Parameter=0    Prob > |T|
```
```     INTERCEP   1     13.525317    3.63051806         3.725        0.0006
ASSERTIV   1      3.125814    0.34725847         9.001        0.0001
RECORD     1      2.250547    0.31943156         7.045        0.0001
```
```                                               Standardized
Variable  DF     Type I SS    Type II SS      Estimate
```
```     INTERCEP   1         95942    560.927504    0.00000000
ASSERTIV   1   2195.419506   3274.685765    0.78752585
RECORD     1   2006.178345   2006.178345    0.61640304
```
```                   Variable
Variable  DF     Label
```
```     INTERCEP   1  Intercept
ASSERTIV   1  ASSERTIVENESS
RECORD     1  RECORD KEEPING
```

```                        Demonstrate suppression effect                       5
```
`                       Partial Regression Residual Plot`
```        -+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+--
SALES |                                                                    |
|                                                                    |
|                                                                    |
25 +                                                                    +
|                                                                    |
|                                                                    |
|                           1                                        |
|                                                                    |
20 +                                                                    +
|                                                                    |
|                                                                    |
|                                                                    |
|                                                                    |
15 +                                                                    +
|                                                             1      |
|                                                                    |
S       |                                                                    |
A       |                                              1    1                |
L    10 +                                                      1             +
E       |                   1                                                |
S       |                                                 1                  |
|                                1                                   |
S       |                                                   1                |
U     5 +                                                                    +
C       |                                   1                           1    |
C       |     1            1  1         1      1             1               |
E       |                   1         1                                      |
S       |                        1         1        1                        |
S     0 +      1                             1                               +
|         1          2                                               |
|           1    1                           1                       |
|                                                                    |
|                 1                                                  |
-5 +                         1                                          +
|      1                                                             |
|       1            1    1 1                                        |
|                                                                    |
|                                                                    |
-10 +   1                                                                +
|                                                                    |
|                                                                    |
|                        1    1                                      |
|                                                                    |
-15 +                                                                    +
|                                                                    |
|                                                                    |
-+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+--
-0.4  -0.3  -0.2  -0.1   0.0   0.1   0.2   0.3   0.4   0.5   0.6   0.7

INTERCEP```

```                        Demonstrate suppression effect                       6
```
`                       Partial Regression Residual Plot`
```        --+----+----+----+----+----+----+----+----+----+----+----+----+----+--
SALES |                                                                    |
|                                                                    |
30 +                                                                    +
|                                                                    |
|                                                                    |
|                                                                    |
|                                               1                    |
|                                                                    |
|                                                                    |
20 +                                                             1      +
|                                                                    |
|                                                   1                |
|                                                                    |
|                                                                    |
|                                                        1           |
|                                                    1       1 1     |
S    10 +                                                         1     1    +
A       |                                                       1            |
L       |                                             1    1                 |
E       |                                                 1        1         |
S       |                                            1                       |
|                                          1 1    1                  |
S       |                                                                    |
U     0 +                                1       1  1         1              +
C       |                             1         1          1                 |
C       |                            1                                       |
E       |                              1                                     |
S       |                                        1    1                      |
S       |                           1                                        |
|                                                                    |
-10 +                     1   1                       1                  +
|                                                                    |
|                         1              1                           |
|                                                                    |
|                                                                    |
|     1             11                                               |
|                     1                                              |
-20 +                                                                    +
|               1                                                    |
|                                                                    |
|                                                                    |
|                                                                    |
|                                                                    |
|                                                                    |
-30 +                                                                    +
|                                                                    |
--+----+----+----+----+----+----+----+----+----+----+----+----+----+--
-8   -7   -6   -5   -4   -3   -2   -1    0    1    2    3    4    5

ASSERTIVENESS   ASSERTIV```

```                        Demonstrate suppression effect                       7
```
`                       Partial Regression Residual Plot`
```        ------+------+------+------+------+------+------+------+------+-------
SALES |                                                                    |
|                                                                    |
|                                                                    |
25 +                                                                    +
|                                                                    |
|                                                          1         |
|                                                                    |
20 +                                                                    +
|                                                                    |
|                                                                    |
|                   1                                                |
15 +                                     1                              +
|                                         1                          |
|                                                                    |
|                           1          1                             |
10 +                                 1                                  +
S       |                                      1                             |
A       |                                1                                   |
L       |                                            1                       |
E     5 +                         1 1          1                             +
S       |                                                                    |
|                              1   2                                 |
S       |                            1  1                                    |
U     0 +                         11       1                                 +
C       |              1               1                                     |
C       |                    11                                              |
E       |              1                1                                    |
S    -5 +                  1         1                                       +
S       |         1                                                          |
|                   1               1                                |
|         1   2                                                      |
-10 +              1        1                                            +
|                                                                    |
|                                                                    |
|                                                                    |
-15 +              1                                                     +
|                                                                    |
|      1                                                             |
|                                                                    |
-20 +                                                                    +
|                                                                    |
|             1                                                      |
|                                                                    |
-25 +                                                                    +
|                                                                    |
|                                                                    |
------+------+------+------+------+------+------+------+------+-------
-6     -4     -2      0      2      4      6      8     10

RECORD KEEPING   RECORD```

```                            Partial residual plot                            8
```
```                               Full regression

Regression weights

B
INTCEPT  13.525317
ASSERTIV 3.1258142
RECORD    2.250547

High leverage or large residual points

XL   ASSERTIV    RECORD  Leverage  RStudent

1       0.5       6.3 0.1856051 0.9993255
9       7.3       7.2 0.0422708 -2.108665
12       5.8      14.3  0.250352 0.3882738
13      10.8         0 0.0795064  -2.50298
28       9.9         2 0.0435701  4.013852
37       4.1         0 0.1505407 -0.909436

Partial Residuals
UINTCEPT  VINTCEPT UASSERTIV VASSERTIV   URECORD   VRECORD

14.154     0.623   -16.644    -7.159     4.776    -0.425
2.812     0.110     0.448    -0.282     0.542    -0.349
-0.181    -0.303    13.410     3.039    13.875     4.427
0.676     0.166    -0.250     0.423    -9.400    -3.479
3.090     0.234    -1.250    -0.377    -8.429    -3.714
-0.689    -0.073     5.123     1.542     2.600     1.021
9.835     0.495    -9.606    -4.079    -4.326    -3.320
-9.946    -0.355     5.674     3.463     6.136     5.015
-12.538     0.001   -12.970    -0.135    -6.979     2.474
8.127     0.409    -4.366    -2.227    -8.240    -4.814
1.655    -0.089     4.705     0.589    10.789     3.521
-1.225    -0.250     2.574     0.132    22.717     9.133
-13.089     0.088    -9.366     1.573   -22.603    -3.696
-1.895     0.330   -18.970    -4.035    -3.370     1.327
3.310    -0.099    11.743     2.269     5.136     0.215
10.834     0.443    -3.366    -2.627    -6.254    -4.932
3.181    -0.050     6.650     0.891     7.818     1.757
-0.245     0.195   -12.768    -3.162     4.645     3.345
-4.944     0.011    -5.675    -0.185     0.021     2.274
7.290     0.136     0.030    -1.735     9.963     2.004
-4.270    -0.117     2.208     1.566     2.339     2.233
5.647     0.447   -10.575    -3.253    -8.790    -3.726
3.320    -0.322    19.914     3.916    14.672     3.109
-7.413    -0.289    10.154     4.368    -0.792     1.204
3.772     0.175    -7.621    -2.887     8.906     3.333
2.811     0.462   -16.668    -4.231    -8.094    -2.067
1.102     0.317   -16.737    -4.336     2.109     2.351
21.811     0.058    24.688     1.171    16.614    -1.961
-5.747    -0.294    11.565     4.268     1.701     1.545
-0.607    -0.075    10.161     3.122    -4.806    -2.314```

```                            Partial residual plot                            9
```
```             -2.497    -0.215    12.037     3.719     1.440     0.456
-6.503     0.021     0.634     2.373   -14.574    -3.461
-2.489    -0.137     8.332     2.869    -0.589     0.021
1.251     0.007     6.688     1.771    -2.864    -1.785
-7.063     0.048    -5.226     0.795    -9.661    -0.867
10.936     0.375    -1.723    -2.429    -1.762    -3.390
3.503     0.654   -21.366    -5.127   -18.094    -5.667
2.146     0.088     2.657     0.545    -2.414    -1.496
-7.317    -0.070    -0.846     1.768    -5.386     0.439
8.867    -0.088    16.596     2.094    10.629     0.257
```

`                                                                            10`

### Graphic output from suppres2.sas

 Partial regression plot for sales [PARTIAL 09/27/99 ] TEMPLATE GRAPH PRODUCED BY GREPLAY [TEMPLATE 09/27/99 ]