/*=================================================================
 Duration Models: Log-Linear Survival Models for Strike Duration
*/=================================================================
Read ; Nobs = 62 ; Nvar = 2 ; Names = 1 $
     T           Prod  
  7.00000      .0113800   
  14.0000      .0113800   
  52.0000      .0113800   
  37.0000      .0229900   
  52.0000      .0229900   
  17.0000     -.0395700   
  72.0000     -.0395700   
  114.000     -.0395700   
  216.000     -.0395700   
  98.0000     -.0546700   
  85.0000      .0053500   
  1.00000      .0645000   
  3.00000      .0645000   
  8.00000      .0645000   
  23.0000      .0645000   
  33.0000      .0645000   
  43.0000      .0645000   
  5.00000     -.104430    
  12.0000     -.0070000   
  21.0000     -.0070000   
  42.0000     -.0070000  
  9.00000      .0113800 
  26.0000      .0113800 
  130.000      .0113800 
  41.0000      .0229900 
  119.000      .0229900 
  19.0000     -.0395700 
  99.0000     -.0395700 
  152.000     -.0395700 
  15.0000     -.0546700 
  2.00000      .0053500 
  3.00000      .0742700 
  2.00000      .0645000 
  3.00000      .0645000 
  11.0000      .0645000 
  27.0000      .0645000 
  35.0000      .0645000 
  44.0000      .0645000 
  49.0000     -.104430  
  12.0000     -.0070000 
  27.0000     -.0070000 
  117.000     -.0070000
  13.0000      .0113800
  29.0000      .0113800
  9.00000      .0229900
  49.0000      .0229900
  3.00000     -.0395700
  28.0000     -.0395700
  104.000     -.0395700
  153.000     -.0395700
  61.0000     -.0546700
  25.0000      .0053500
  10.0000      .0742700
  3.00000      .0645000
  4.00000      .0645000
  22.0000      .0645000
  32.0000      .0645000
  43.0000      .0645000
  100.000      .0645000
  2.00000     -.0070000
  21.0000     -.0070000
  38.0000     -.0070000


Create ; LogT = Log(T) $

/*=================================================================
1. Nonparametric Life Table (no covariates)
*/=================================================================

SURVIVAL  ; lhs = LogT 
	    ; plot $

/*=================================================================
2. (log-linear) Cox's Proportional Hazard Model (with Covariates)
*/=================================================================

SURVIVAL  ; lhs = T 
          ; rhs = Prod $

/*=================================================================
3. Log-linear Parametric Hazard Models
*/=================================================================

SURVIVAL  ; lhs = LogT 
	    ; Model = Weibull
          ; rhs = One, Prod 
	    ; plot 	  
	    ; list $

SURVIVAL  ; lhs = LogT 
	    ; Model=Exponential 
          ; rhs = One, Prod  
	  ? ; plot 	  
	  ; list $

SURVIVAL  ; lhs = LogT 
	    ; Model = normal
          ; rhs = One, Prod $

SURVIVAL  ; lhs = LogT 
	    ; Model = logistic
          ; rhs = One, Prod $


? Descriptive Statistics

DSTAT;Rhs=PROD,T$