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From |
"jyotsna puri" <pjyotsna@hotmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Re: Help with CLAD - something strange. |

Date |
Thu, 11 Aug 2005 16:49:33 +0000 |

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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