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st: SV: Create categorical variable based on 'z-score'


From   "Kristian Karlson" <[email protected]>
To   <[email protected]>
Subject   st: SV: Create categorical variable based on 'z-score'
Date   Wed, 26 Nov 2008 17:17:04 +0100

Shannon Driver has developed the following ado-file: zscore. You can get it
from the command window by typing: net install zscore. It does the
z-transformation for you. After the transformation, you can use the recode
command.

/Kristian

-----Oprindelig meddelelse-----
Fra: [email protected]
[mailto:[email protected]] På vegne af George Hoffman
Sendt: 26. november 2008 17:06
Til: [email protected]
Emne: st: Create categorical variable based on 'z-score'

Generic problem: I'd like to create categorical variables for a list of
continuous variables. The categorical variables would be based upon the
z-score of each variable, such as:
Z-score of X     catX
<-2             -3
-2 ..-1         -2
-1 .. 0         -1
0               0
0.. +1          +1
1 ..2           +2
>+2             +3

If there were a way to z-transform variables, I could do an easy
recode(catX)

Thanks!
George hoffman

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