[Limdep Nlogit List] Creating A Loop
William Greene
wgreene at stern.nyu.edu
Wed Sep 26 01:57:16 EST 2007
In LIMDEP 9 and NLOGIT 4, you can use
CREATE ; Xbari = GroupMean(X,Str=Y) $
In earlier versions, it takes 3 lines;
REGR;LHS=ONE;RHS=ONE;STR=Y;PANEL $
MATRIX ; Means = GXBR(X,_Stratum) $
CREATE ; Xbari = Means(_Stratum) $
/B. Greene
----- Original Message -----
From: "Abdulbaki Bilgic" <tebrik at yahoo.com>
To: "Limdep and Nlogit Mailing List" <limdep at limdep.itls.usyd.edu.au>
Sent: Tuesday, September 25, 2007 5:04:49 AM (GMT-0500) America/New_York
Subject: [Limdep Nlogit List] Creating A Loop
Hello All,
I think i have a simple problem on functioning an appropriate loop
procedure. Suppose i have two variables Y and X:
Y X
0 3.4
0 4.5
0 1.5
2 3
2 4
3 5
3 6
3 7
5 2
5 2
I would like to create an additional variable representing an average
value of X when Y=j, where j=0,2,3,5 in this case. For example,
Y X Z
0 3.4 A
0 4.5 A
0 1.5 A
2 3 B
2 4 B
3 5 C
3 6 C
3 7 C
5 2 D
5 2 D
Where A is XBAR(X) When Y=0 and so forth. I know how to handle this in
Gauss but i never tried in LIMDEP. Any advice on how to compute this
would be greatly appreciated.
Thanks in advance,
Bilgic
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Professor William Greene
Department of Economics
Stern School of Business
New York University
44 West 4th St., Rm. 7-78
New York, NY 10012
http://www.stern.nyu.edu/~wgreene
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