5. Principal Components in Person Residuals

Though a strong factor is revealed, it does not appear to be related to the slogan at the bottom of the survey form, codes N, K, and L.

TABLE 24.2 Recreational Drug Survey                 drugs.out Apr 12 15:18 1999
INPUT: 39 PERSONS, 20 ITEMS  ANALYZED: 39 PERSONS, 20 ITEMS, 5 CATS        v2.91
--------------------------------------------------------------------------------

       PRINCIPAL COMPONENTS (STANDARDIZED RESIDUAL) FACTOR PLOT
       Factor 1 explains 12.85 of 39 variance units
      -2              -1               0               1               2
      ++---------------+---------------+---------------+---------------++
      |                                A                                |
   .9 +                                |                                +
      |                                B                                |
      |                                |                                |
      |                                |                                |
      |                                |   C                            |
      |                                |   DE                           |
      |                                |   F                            |
   .8 +                                |                                +
      |                               G|                                |
      |                                |                                |
      |                                |                                |
      |                           H    |                                |
   .7 +                                |                                +
      |                                |                                |
      |                               I|                                |
   .6 +                            J   |                                +
      |                              K |                                |
F     |                                |                                |
A  .5 +                                |                                +
C     |                                |     L                          |
T     |                            M   |                                |
O  .4 +                                |                                +
R     |                                N                                |
   .3 +                                |        O                       +
1     |                                |   P                            |
   .2 +                               Q|                                +
L     |                                |                                |
O  .1 +                                |R                               +
A     |                                |                                |
D  .0 +-------------------------------S|-------T------------------------+
I     |                                |                                |
N -.1 +                                s r                              +
G     |                                |                                |
  -.2 +                                |                                +
      |                                |                                |
  -.3 +                                |                                +
      |                            p   q         o                      |
  -.4 +                                |                                +
      |                            n   |                                |
      |                      l         | m                              |
  -.5 +                               j|k                               +
      |                                |i                               |
      |                                |   h                            |
  -.6 +                                |   g                            +
      |                                |      f                         |
      |                                |                                |
  -.7 +                                |  e                             +
      |                           d    |                                |
      |                                b     c                          |
      |                                |                                |
      |                                |  a                             |
      ++---------------+---------------+---------------+---------------++
      -2              -1               0               1               2
                                PERSON MEASURE

TABLE 24.3 Recreational Drug Survey                 drugs.out Apr 12 15:18 1999
INPUT: 39 PERSONS, 20 ITEMS  ANALYZED: 39 PERSONS, 20 ITEMS, 5 CATS        v2.91
--------------------------------------------------------------------------------

 FACTOR 1 FROM PRINCIPAL COMPONENT ANALYSIS OF
  STANDARDIZED RESIDUAL CORRELATIONS FOR PERSONS (SORTED BY LOADING)
   FACTOR 1 EXPLAINS 12.85 OF 39 VARIANCE UNITS
+----------------------------------------------+
|      |       |       INFIT OUTFIT| ENTRY     |
|FACTOR|LOADING|MEASURE  MNSQ MNSQ |NUMBER PER |
|------+-------+-------------------+-----------|
|  1   |   .90 |     .00 1.35 1.22 |A   26 N26 |
|  1   |   .88 |     .00  .74  .75 |B    1 N1  |
|  1   |   .85 |     .28  .74  .72 |C   17 K17 |
|  1   |   .83 |     .23 1.07  .96 |D   20 L20 |
|  1   |   .83 |     .23 1.07  .96 |E   27 N27 |
|  1   |   .82 |     .28  .93  .88 |F   24 N24 |
|  1   |   .78 |    -.04  .72  .69 |G   33 N33 |
|  1   |   .72 |    -.32  .94  .89 |H    8 K8  |
|  1   |   .64 |    -.09  .67  .63 |I    6 K6  |
|  1   |   .62 |    -.22  .88  .83 |J   13 L13 |
|  1   |   .56 |    -.13 1.28 1.11 |K    2 K2  |
|  1   |   .47 |     .38  .60  .57 |L   30 N30 |
|  1   |   .44 |    -.27  .86  .79 |M   37 N37 |
|  1   |   .34 |     .00  .81  .83 |N   29 N29 |
|  1   |   .31 |     .57  .97  .99 |O   12 K12 |
|  1   |   .23 |     .28  .76  .83 |P   25 N25 |
|  1   |   .22 |    -.04  .82  .75 |Q    3 L3  |
|  1   |   .12 |     .05  .67  .63 |R   21 L21 |
|  1   |   .00 |    -.04 2.07 1.86 |S   15 L15 |
|      |-------+-------------------+-----------|
|  1   |  -.78 |     .19  .92 1.00 |a   19 K19 |
|  1   |  -.74 |     .00 2.35 2.06 |b   22 K22 |
|  1   |  -.74 |     .38  .41  .51 |c   39 N39 |
|  1   |  -.71 |    -.32 1.66 1.64 |d   34 N34 |
|  1   |  -.68 |     .19 1.25 1.21 |e   16 L16 |
|  1   |  -.62 |     .42  .57  .57 |f   10 K10 |
|  1   |  -.62 |     .23  .83  .98 |g   32 N32 |
|  1   |  -.57 |     .23  .84  .72 |h   18 K18 |
|  1   |  -.55 |     .05 1.12 1.08 |i    7 L7  |
|  1   |  -.51 |    -.09 2.08 2.25 |j    9 L9  |
|  1   |  -.48 |     .05  .91  .97 |k   23 L23 |
|  1   |  -.46 |    -.65  .90 1.04 |l   28 N28 |
|  1   |  -.45 |     .14  .91 1.03 |m    5 K5  |
|  1   |  -.43 |    -.22 1.03 1.16 |n   38 N38 |
|  1   |  -.34 |     .63 1.67 2.28 |o    4 N4  |
|  1   |  -.33 |    -.27  .63  .65 |p   36 N36 |
|  1   |  -.33 |     .00 1.05 1.01 |q   14 K14 |
|  1   |  -.09 |     .14  .63  .83 |r   11 L11 |
|  1   |  -.08 |     .00  .27  .31 |s   31 N31 |
|  1   |   .00 |     .47  .91  .76 |T   35 N35 |
+----------------------------------------------+

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