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? Load the panel probit project
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?  (1)  Random parameters approach to the random effects model.
?       Random constant model
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Sample;1-2000$
Namelist ; X = imum,fdium,logsales,sp,one$
Probit ; Lhs = IP ; Rhs = X ; Random ; Pds = 5 $
Probit ; Lhs = Ip ; Rhs = X ; RPM 
       ; Fcn = One(n) ; Pts = 100 ; Pds = 5 $
Calc   ; K1 = Col(X) + 1 $
Calc   ; List ; SRP = B(K1) ; RhoRP = SRP^2 / (1 + SRP^2) $
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?  (2)  Random parameters models
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Sample ; All $
? (a)  Uncorrelated random parameters
Probit ; Lhs = Ip ; Rhs = X ; RPM 
       ; Fcn = imum(n),fdium(n) ; Pts = 25 ; Pds = 5 $
? (b)  Correlated random parameters
Probit ; Lhs = Ip ; Rhs = X ; RPM ; Correlated
       ; Fcn = imum(n),fdium(n) ; Pts = 25 ; Pds = 5 $
? (c) Random parameters with covariates in the means of the
?     random parameters.
Probit ; Lhs = Ip ; Rhs = X ; RPM = InvGood,ConsGood,Food
       ; Fcn = imum(n),fdium(n) ; Pts = 25 ; Pds = 5 
       ; Parameters $
? (d) Examine conditional means of random parameters.
Create ; Bimum = 0 ; Bfdium = 0 $
Namelist ; Bi = Bimum,Bfdium $
Sample ; 1 - 1270 $
Create ; Bi = Beta_i $
Kernel ; Rhs = Bimum $
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?  (3)  Latent Class Models
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Sample ; All $
Logit  ; Lhs = IP ; Rhs = X ; LCM ; Pts = 3 
       ; Pds = 5  ; Parameters $
Logit  ; Lhs = IP ; Rhs = X ; LCM = InvGood,Consgood,Food 
       ; Pts = 3  ; Pds = 5  ; Parameters $
Sample;1-500$
Logit  ; Lhs = IP ; Rhs = X ; LCM = InvGood,Consgood,Food 
       ; Pts = 3 ; Pds = 5  ; Parameters ; List $