st: Re: Help with CLAD - something strange.

["jyotsna puri" <pjyotsna@hotmail.com>]

Dear Listers,

Something strange seems to be happening with my data.
When I use CLAD  the  system  tells me that one of my variables
is not present.
But it is.
When I tab the variable, the variable is there.
As further evidence, when I run -xttobit on the data using this
variable (amongst others), it works fine.

Any ideas what could be happening?  Output is below.
Thanks in anticipation.
-Jo

. clad Lsoytobit1  year Lpopn Ltrmnew  agwsc2 crbadu1  adltrt Lhhmctrt 
cowrt1
[crbadu1] not found
post:  above message corresponds to expression 6, variable crbadu1
r(111);

. tab crbadu1

  = crbadu |
       ==2 |      Freq.     Percent        Cum.
------------+-----------------------------------
         0 |      1,136       51.50       51.50
         1 |      1,070       48.50      100.00
------------+-----------------------------------
     Total |      2,206      100.00

. xttobit Lsoytobit1  year Lpopn Ltrmnew  agwsc2 crbadu1  adltrt Lhhmctrt 
cowrt1, ll(0) re

Obtaining starting values for full model:

Iteration 0:   log likelihood = -4000.0831
Iteration 1:   log likelihood = -3963.8779
Iteration 2:   log likelihood =  -3960.987
Iteration 3:   log likelihood = -3960.9648

Fitting full model:

Iteration 0:   log likelihood = -3148.9727
Iteration 1:   log likelihood = -2708.6171
Iteration 2:   log likelihood = -2533.7868
Iteration 3:   log likelihood = -2466.0975
Iteration 4:   log likelihood = -2448.2159
Iteration 5:   log likelihood = -2445.0714
Iteration 6:   log likelihood = -2444.1435
Iteration 7:   log likelihood = -2443.3968
Iteration 8:   log likelihood = -2443.0127
Iteration 9:   log likelihood =  -2440.711
Iteration 10:  log likelihood = -2440.1718
Iteration 11:  log likelihood = -2440.1618
Iteration 12:  log likelihood = -2440.1618

Random-effects tobit regression                 Number of obs      =      
2206
Group variable (i): id                          Number of groups   =       
586

Random effects u_i ~ Gaussian                   Obs per group: min =         
1
                                                              avg =       
3.8
                                                              max =         
6

                                               Wald chi2(8)       =     
99.62
Log likelihood  = -2440.1618                    Prob > chi2        =    
0.0000

[REST OF THE OUTPUT OMITTED]



Jyotsna (Jo) Puri
pjyotsna@hotmail.com


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