Sticky-note

The data set PYSCHDAT contains responses to a questionnaire assessing the mental stability of 30 randomly selected female psychiatric patients.(footnote 1) Each observation represents one patient. The scale includes seven items. The LABEL statement provides a label for each item. Seven observations contain missing values.

data psychdat;
   input Age Anxiety Depression Sleep Sex Life WeightChange @@;
   label age             = 'age in years'
         anxiety         = 'anxiety level'
         depression      = 'depression level'
         sleep           = 'normal sleep (1=y 2=n)'
         sex             = 'sexual (1=n 2=y)'
         life            = 'suicidal (1=n 2=y)'
         weightchange    = 'recent weight change';
    datalines;
39  2   2   2   2   2  4.9 41  2   2   2   2   2  2.2
42  3   3   .   2   2  4.0 30  2   2   2   2   2 -2.6
35  2   1   1   2   1 -0.3 44  .   1   2   1   1  0.9
31  2   2   .   2   2 -1.5 39  3   2   2   2   1  3.5
35  3   2   2   2   2 -1.2 33  2   2   2   2   2  0.8
38  2   1   1   1   1 -1.9 31  2   2   2   .   1  5.5
40  3   2   2   2   1  2.7 44  2   2   2   2   2  4.4
43  3   2   2   2   2  3.2 32  1   1   1   2   1 -1.5
32  1   2   2   .   1 -1.9 43  4   3   2   2   2  8.3
46  3   2   2   2   2  3.6 30  2   2   2   2   1  1.4
34  3   3   .   2   2   .  37  3   2   2   2   1   .
35  2   1   2   2   1 -1.0 45  2   2   2   2   2  6.5
35  2   2   2   2   1 -2.1 31  2   2   2   2   1 -0.4
32  2   2   2   2   1 -1.9 44  2   2   2   2   2  3.7
40  3   3   2   2   2  4.5 42  3   3   2   2   2  4.2
;